./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product19_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_61b892d0-c643-403d-953e-f19315ccf172/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_61b892d0-c643-403d-953e-f19315ccf172/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_61b892d0-c643-403d-953e-f19315ccf172/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_61b892d0-c643-403d-953e-f19315ccf172/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product19_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_61b892d0-c643-403d-953e-f19315ccf172/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_61b892d0-c643-403d-953e-f19315ccf172/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 827eeb7ed0fbeaca90933bfcb4457632a3c9b0ed ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 18:19:03,321 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 18:19:03,322 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 18:19:03,327 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 18:19:03,328 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 18:19:03,328 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 18:19:03,329 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 18:19:03,329 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 18:19:03,330 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 18:19:03,330 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 18:19:03,331 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 18:19:03,331 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 18:19:03,331 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 18:19:03,332 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 18:19:03,332 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 18:19:03,333 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 18:19:03,333 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 18:19:03,334 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 18:19:03,335 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 18:19:03,335 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 18:19:03,336 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 18:19:03,336 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 18:19:03,337 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 18:19:03,337 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 18:19:03,337 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 18:19:03,338 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 18:19:03,338 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 18:19:03,339 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 18:19:03,339 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 18:19:03,339 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 18:19:03,340 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 18:19:03,340 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 18:19:03,340 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 18:19:03,340 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 18:19:03,341 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 18:19:03,341 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 18:19:03,341 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_61b892d0-c643-403d-953e-f19315ccf172/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 18:19:03,348 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 18:19:03,348 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 18:19:03,349 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 18:19:03,349 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 18:19:03,349 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 18:19:03,349 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 18:19:03,349 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 18:19:03,349 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 18:19:03,349 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 18:19:03,349 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 18:19:03,350 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 18:19:03,350 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 18:19:03,350 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 18:19:03,350 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 18:19:03,350 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 18:19:03,350 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 18:19:03,350 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 18:19:03,350 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 18:19:03,350 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 18:19:03,350 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 18:19:03,350 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 18:19:03,351 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 18:19:03,351 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 18:19:03,351 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 18:19:03,351 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 18:19:03,351 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 18:19:03,351 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 18:19:03,351 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 18:19:03,351 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 18:19:03,351 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_61b892d0-c643-403d-953e-f19315ccf172/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 -> 827eeb7ed0fbeaca90933bfcb4457632a3c9b0ed [2018-12-02 18:19:03,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 18:19:03,375 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 18:19:03,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 18:19:03,379 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 18:19:03,379 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 18:19:03,380 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_61b892d0-c643-403d-953e-f19315ccf172/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product19_true-unreach-call_false-termination.cil.c [2018-12-02 18:19:03,423 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_61b892d0-c643-403d-953e-f19315ccf172/bin-2019/ukojak/data/5a852de57/e7fa4188f6044514bd89036618c5939c/FLAG0ef34fa75 [2018-12-02 18:19:03,852 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 18:19:03,852 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_61b892d0-c643-403d-953e-f19315ccf172/sv-benchmarks/c/product-lines/minepump_spec2_product19_true-unreach-call_false-termination.cil.c [2018-12-02 18:19:03,858 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_61b892d0-c643-403d-953e-f19315ccf172/bin-2019/ukojak/data/5a852de57/e7fa4188f6044514bd89036618c5939c/FLAG0ef34fa75 [2018-12-02 18:19:03,869 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_61b892d0-c643-403d-953e-f19315ccf172/bin-2019/ukojak/data/5a852de57/e7fa4188f6044514bd89036618c5939c [2018-12-02 18:19:03,871 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 18:19:03,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 18:19:03,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 18:19:03,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 18:19:03,876 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 18:19:03,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:19:03" (1/1) ... [2018-12-02 18:19:03,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:03, skipping insertion in model container [2018-12-02 18:19:03,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:19:03" (1/1) ... [2018-12-02 18:19:03,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 18:19:03,906 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 18:19:04,048 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:19:04,091 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 18:19:04,137 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:19:04,153 INFO L195 MainTranslator]: Completed translation [2018-12-02 18:19:04,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:04 WrapperNode [2018-12-02 18:19:04,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 18:19:04,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 18:19:04,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 18:19:04,154 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 18:19:04,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:04" (1/1) ... [2018-12-02 18:19:04,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:04" (1/1) ... [2018-12-02 18:19:04,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 18:19:04,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 18:19:04,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 18:19:04,183 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 18:19:04,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:04" (1/1) ... [2018-12-02 18:19:04,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:04" (1/1) ... [2018-12-02 18:19:04,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:04" (1/1) ... [2018-12-02 18:19:04,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:04" (1/1) ... [2018-12-02 18:19:04,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:04" (1/1) ... [2018-12-02 18:19:04,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:04" (1/1) ... [2018-12-02 18:19:04,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:04" (1/1) ... [2018-12-02 18:19:04,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 18:19:04,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 18:19:04,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 18:19:04,200 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 18:19:04,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_61b892d0-c643-403d-953e-f19315ccf172/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 [2018-12-02 18:19:04,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 18:19:04,231 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 18:19:04,231 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 18:19:04,232 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 18:19:04,232 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 18:19:04,232 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 18:19:04,232 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 18:19:04,232 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 18:19:04,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 18:19:04,232 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 18:19:04,232 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 18:19:04,232 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 18:19:04,232 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 18:19:04,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 18:19:04,232 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 18:19:04,232 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 18:19:04,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 18:19:04,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 18:19:04,633 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 18:19:04,633 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-12-02 18:19:04,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:19:04 BoogieIcfgContainer [2018-12-02 18:19:04,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 18:19:04,634 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 18:19:04,634 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 18:19:04,640 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 18:19:04,640 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:19:04" (1/1) ... [2018-12-02 18:19:04,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:19:04,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:04,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 55 states and 74 transitions. [2018-12-02 18:19:04,671 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2018-12-02 18:19:04,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 18:19:04,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:04,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:19:04,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:04,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2018-12-02 18:19:04,790 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2018-12-02 18:19:04,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 18:19:04,790 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:04,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:19:04,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:04,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2018-12-02 18:19:04,848 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-12-02 18:19:04,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 18:19:04,849 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:04,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:19:04,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:04,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2018-12-02 18:19:04,981 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2018-12-02 18:19:04,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 18:19:04,982 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:05,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:19:05,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:05,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 83 states and 127 transitions. [2018-12-02 18:19:05,310 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 127 transitions. [2018-12-02 18:19:05,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 18:19:05,312 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:05,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:19:05,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:05,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 84 states and 128 transitions. [2018-12-02 18:19:05,348 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 128 transitions. [2018-12-02 18:19:05,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 18:19:05,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:05,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:19:05,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:05,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 85 states and 129 transitions. [2018-12-02 18:19:05,391 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 129 transitions. [2018-12-02 18:19:05,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 18:19:05,392 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:05,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:19:05,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:05,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 86 states and 130 transitions. [2018-12-02 18:19:05,430 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 130 transitions. [2018-12-02 18:19:05,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 18:19:05,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:05,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:05,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:19:05,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:05,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 97 states and 153 transitions. [2018-12-02 18:19:05,803 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 153 transitions. [2018-12-02 18:19:05,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 18:19:05,805 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:05,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:19:05,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:05,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 98 states and 156 transitions. [2018-12-02 18:19:05,900 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 156 transitions. [2018-12-02 18:19:05,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 18:19:05,901 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:05,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:19:05,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:05,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 99 states and 159 transitions. [2018-12-02 18:19:05,924 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 159 transitions. [2018-12-02 18:19:05,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 18:19:05,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:05,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:19:05,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:05,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 100 states and 162 transitions. [2018-12-02 18:19:05,951 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 162 transitions. [2018-12-02 18:19:05,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 18:19:05,952 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:05,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:19:06,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:06,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 101 states and 163 transitions. [2018-12-02 18:19:06,016 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 163 transitions. [2018-12-02 18:19:06,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 18:19:06,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:06,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:19:06,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:06,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 102 states and 164 transitions. [2018-12-02 18:19:06,038 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 164 transitions. [2018-12-02 18:19:06,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 18:19:06,039 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:06,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:19:06,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:06,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 107 states and 178 transitions. [2018-12-02 18:19:06,136 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 178 transitions. [2018-12-02 18:19:06,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 18:19:06,136 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:06,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:19:06,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:06,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 119 states and 201 transitions. [2018-12-02 18:19:06,527 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 201 transitions. [2018-12-02 18:19:06,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 18:19:06,528 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:06,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:19:06,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:06,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 120 states and 202 transitions. [2018-12-02 18:19:06,576 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 202 transitions. [2018-12-02 18:19:06,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 18:19:06,577 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:06,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:19:06,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:06,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 124 states and 208 transitions. [2018-12-02 18:19:06,620 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 208 transitions. [2018-12-02 18:19:06,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 18:19:06,621 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:06,666 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 18:19:06,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:06,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 131 states and 226 transitions. [2018-12-02 18:19:06,827 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 226 transitions. [2018-12-02 18:19:06,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 18:19:06,828 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:06,841 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 18:19:07,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:07,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 135 states and 234 transitions. [2018-12-02 18:19:07,090 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 234 transitions. [2018-12-02 18:19:07,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 18:19:07,090 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:07,105 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 18:19:07,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:07,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 133 states and 230 transitions. [2018-12-02 18:19:07,121 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 230 transitions. [2018-12-02 18:19:07,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 18:19:07,122 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:07,285 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 18:19:07,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:07,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 136 states and 236 transitions. [2018-12-02 18:19:07,834 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 236 transitions. [2018-12-02 18:19:07,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 18:19:07,834 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:07,852 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 18:19:08,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:08,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 142 states and 250 transitions. [2018-12-02 18:19:08,177 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 250 transitions. [2018-12-02 18:19:08,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 18:19:08,177 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:08,187 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 18:19:08,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:08,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 143 states and 251 transitions. [2018-12-02 18:19:08,200 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 251 transitions. [2018-12-02 18:19:08,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 18:19:08,201 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:08,213 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 18:19:08,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:08,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 150 states and 263 transitions. [2018-12-02 18:19:08,352 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 263 transitions. [2018-12-02 18:19:08,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 18:19:08,353 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:08,365 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 18:19:08,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:08,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 152 states and 264 transitions. [2018-12-02 18:19:08,488 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 264 transitions. [2018-12-02 18:19:08,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 18:19:08,489 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:08,505 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 18:19:08,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:08,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 153 states and 264 transitions. [2018-12-02 18:19:08,513 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 264 transitions. [2018-12-02 18:19:08,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 18:19:08,513 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:08,588 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 18:19:09,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:09,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 161 states and 287 transitions. [2018-12-02 18:19:09,357 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 287 transitions. [2018-12-02 18:19:09,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 18:19:09,358 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:09,369 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 18:19:09,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:09,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 162 states and 288 transitions. [2018-12-02 18:19:09,380 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 288 transitions. [2018-12-02 18:19:09,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 18:19:09,380 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:09,456 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 18:19:10,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:10,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 170 states and 303 transitions. [2018-12-02 18:19:10,039 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 303 transitions. [2018-12-02 18:19:10,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 18:19:10,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:10,097 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 18:19:10,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:10,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 172 states and 304 transitions. [2018-12-02 18:19:10,224 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 304 transitions. [2018-12-02 18:19:10,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 18:19:10,225 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:10,244 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 18:19:10,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:10,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 174 states and 305 transitions. [2018-12-02 18:19:10,378 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 305 transitions. [2018-12-02 18:19:10,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 18:19:10,379 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:10,426 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 18:19:11,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:11,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 186 states and 335 transitions. [2018-12-02 18:19:11,361 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 335 transitions. [2018-12-02 18:19:11,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 18:19:11,361 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:11,424 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 18:19:11,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:11,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 188 states and 337 transitions. [2018-12-02 18:19:11,565 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 337 transitions. [2018-12-02 18:19:11,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 18:19:11,566 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:11,616 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 18:19:11,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:11,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 189 states and 337 transitions. [2018-12-02 18:19:11,621 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 337 transitions. [2018-12-02 18:19:11,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 18:19:11,621 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:11,678 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 18:19:11,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:11,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 190 states and 338 transitions. [2018-12-02 18:19:11,688 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 338 transitions. [2018-12-02 18:19:11,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 18:19:11,689 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:11,706 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 18:19:12,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:12,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 195 states and 340 transitions. [2018-12-02 18:19:12,006 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 340 transitions. [2018-12-02 18:19:12,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 18:19:12,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:12,018 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 18:19:12,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:12,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 197 states and 342 transitions. [2018-12-02 18:19:12,207 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 342 transitions. [2018-12-02 18:19:12,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 18:19:12,208 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:12,283 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 18:19:12,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:12,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 198 states and 343 transitions. [2018-12-02 18:19:12,292 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 343 transitions. [2018-12-02 18:19:12,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 18:19:12,292 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:12,366 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 18:19:12,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:12,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 150 states and 236 transitions. [2018-12-02 18:19:12,428 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 236 transitions. [2018-12-02 18:19:12,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-02 18:19:12,429 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:12,447 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 18:19:12,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:12,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 152 states and 237 transitions. [2018-12-02 18:19:12,732 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 237 transitions. [2018-12-02 18:19:12,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 18:19:12,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:12,742 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 18:19:12,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:12,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 156 states and 244 transitions. [2018-12-02 18:19:12,841 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 244 transitions. [2018-12-02 18:19:12,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-02 18:19:12,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:12,857 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 18:19:12,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:12,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 157 states and 244 transitions. [2018-12-02 18:19:12,869 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 244 transitions. [2018-12-02 18:19:12,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 18:19:12,869 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:12,880 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 18:19:12,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:12,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 155 states and 240 transitions. [2018-12-02 18:19:12,894 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 240 transitions. [2018-12-02 18:19:12,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 18:19:12,895 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:12,904 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 18:19:13,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:13,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 156 states and 243 transitions. [2018-12-02 18:19:13,093 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 243 transitions. [2018-12-02 18:19:13,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-02 18:19:13,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:13,103 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 18:19:13,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:13,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 158 states and 246 transitions. [2018-12-02 18:19:13,121 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 246 transitions. [2018-12-02 18:19:13,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 18:19:13,122 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:13,136 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 18:19:13,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:13,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 160 states and 248 transitions. [2018-12-02 18:19:13,149 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 248 transitions. [2018-12-02 18:19:13,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 18:19:13,149 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:13,159 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 18:19:13,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:13,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 161 states and 248 transitions. [2018-12-02 18:19:13,174 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 248 transitions. [2018-12-02 18:19:13,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 18:19:13,174 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:13,185 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 18:19:13,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:13,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 152 states and 231 transitions. [2018-12-02 18:19:13,213 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 231 transitions. [2018-12-02 18:19:13,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-02 18:19:13,213 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:13,230 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 18:19:13,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:13,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 154 states and 234 transitions. [2018-12-02 18:19:13,255 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 234 transitions. [2018-12-02 18:19:13,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-02 18:19:13,255 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:13,272 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 18:19:13,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:13,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 155 states and 235 transitions. [2018-12-02 18:19:13,299 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 235 transitions. [2018-12-02 18:19:13,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 18:19:13,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:19:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:19:13,311 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 18:19:13,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:19:13,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 90 states and 122 transitions. [2018-12-02 18:19:13,324 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 122 transitions. [2018-12-02 18:19:13,325 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 18:19:13,325 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2018-12-02 18:19:13,331 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 18:19:13,498 INFO L583 CodeCheckObserver]: Invariant with dag size 7 [2018-12-02 18:19:13,502 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 18:19:13,503 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 18:19:13,503 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 18:19:13,503 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 18:19:13,503 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-02 18:19:13,503 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 18:19:13,503 INFO L583 CodeCheckObserver]: Invariant with dag size 7 [2018-12-02 18:19:13,504 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 18:19:13,504 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 18:19:13,504 INFO L583 CodeCheckObserver]: Invariant with dag size 15 [2018-12-02 18:19:13,504 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 18:19:13,504 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 18:19:13,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 06:19:13 ImpRootNode [2018-12-02 18:19:13,505 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 18:19:13,505 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 18:19:13,505 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 18:19:13,505 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 18:19:13,506 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:19:04" (3/4) ... [2018-12-02 18:19:13,508 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 18:19:13,512 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 18:19:13,512 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 18:19:13,512 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 18:19:13,512 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 18:19:13,512 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 18:19:13,512 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 18:19:13,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 18:19:13,517 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2018-12-02 18:19:13,517 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-02 18:19:13,517 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-02 18:19:13,517 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 18:19:13,517 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 18:19:13,517 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 18:19:13,535 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) && !(systemActive == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-12-02 18:19:13,536 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || pumpRunning == \old(pumpRunning) [2018-12-02 18:19:13,560 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_61b892d0-c643-403d-953e-f19315ccf172/bin-2019/ukojak/witness.graphml [2018-12-02 18:19:13,560 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 18:19:13,561 INFO L168 Benchmark]: Toolchain (without parser) took 9689.04 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 288.4 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -233.8 MB). Peak memory consumption was 54.5 MB. Max. memory is 11.5 GB. [2018-12-02 18:19:13,561 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:19:13,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -115.3 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-12-02 18:19:13,562 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 18:19:13,562 INFO L168 Benchmark]: Boogie Preprocessor took 16.68 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:19:13,562 INFO L168 Benchmark]: RCFGBuilder took 433.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 994.1 MB in the end (delta: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. [2018-12-02 18:19:13,562 INFO L168 Benchmark]: CodeCheck took 8870.96 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 211.8 MB). Free memory was 994.1 MB in the beginning and 1.2 GB in the end (delta: -200.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. [2018-12-02 18:19:13,562 INFO L168 Benchmark]: Witness Printer took 55.12 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2018-12-02 18:19:13,564 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 8 procedures, 74 locations, 1 error locations. SAFE Result, 8.6s OverallTime, 52 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 308708388 SDtfs, -1015159892 SDslu, 2136820188 SDs, 0 SdLazy, -1443614372 SolverSat, 1381616180 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20886 GetRequests, 20387 SyntacticMatches, 246 SemanticMatches, 253 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28903 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2168 NumberOfCodeBlocks, 2168 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 2117 ConstructedInterpolants, 0 QuantifiedInterpolants, 196300 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 40 PerfectInterpolantSequences, 762/817 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: 44]: 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: 697]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && tmp == 1) && 0 == pumpRunning - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: !(0 == tmp) || tmp == methaneLevelCritical - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) && !(systemActive == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 280.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -115.3 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.68 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 433.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 994.1 MB in the end (delta: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. * CodeCheck took 8870.96 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 211.8 MB). Free memory was 994.1 MB in the beginning and 1.2 GB in the end (delta: -200.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. * Witness Printer took 55.12 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...