./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product32_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_650d0b3f-e592-40a8-8497-ea656a2982c5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_650d0b3f-e592-40a8-8497-ea656a2982c5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_650d0b3f-e592-40a8-8497-ea656a2982c5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_650d0b3f-e592-40a8-8497-ea656a2982c5/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_650d0b3f-e592-40a8-8497-ea656a2982c5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_650d0b3f-e592-40a8-8497-ea656a2982c5/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 9d2c61ca29a3ae6fa3ec69bc1dbfd9791099f9d4 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:30:19,956 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:30:19,958 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:30:19,966 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:30:19,967 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:30:19,968 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:30:19,969 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:30:19,970 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:30:19,971 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:30:19,972 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:30:19,973 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:30:19,977 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:30:19,978 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:30:19,978 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:30:19,979 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:30:19,979 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:30:19,980 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:30:19,984 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:30:19,991 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:30:19,992 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:30:19,992 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:30:19,995 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:30:19,997 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:30:19,998 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:30:20,000 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:30:20,001 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:30:20,001 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:30:20,002 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:30:20,002 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:30:20,003 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:30:20,003 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:30:20,004 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:30:20,004 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:30:20,004 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:30:20,004 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:30:20,008 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:30:20,009 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_650d0b3f-e592-40a8-8497-ea656a2982c5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 20:30:20,023 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:30:20,024 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:30:20,025 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:30:20,025 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:30:20,026 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:30:20,027 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:30:20,027 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:30:20,027 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:30:20,027 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:30:20,027 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:30:20,028 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:30:20,028 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:30:20,028 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:30:20,028 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:30:20,028 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:30:20,028 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:30:20,028 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:30:20,029 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:30:20,029 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:30:20,029 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:30:20,029 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:30:20,029 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:30:20,029 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:30:20,029 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:30:20,029 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:30:20,030 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 20:30:20,030 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:30:20,030 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:30:20,030 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_650d0b3f-e592-40a8-8497-ea656a2982c5/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 -> 9d2c61ca29a3ae6fa3ec69bc1dbfd9791099f9d4 [2018-10-26 20:30:20,070 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:30:20,080 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:30:20,083 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:30:20,084 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:30:20,084 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:30:20,085 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_650d0b3f-e592-40a8-8497-ea656a2982c5/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c [2018-10-26 20:30:20,131 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_650d0b3f-e592-40a8-8497-ea656a2982c5/bin-2019/ukojak/data/fe40bb404/6dbab03ce92f480abb2c76b5016fd974/FLAGf1e837ac3 [2018-10-26 20:30:20,550 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:30:20,551 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_650d0b3f-e592-40a8-8497-ea656a2982c5/sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c [2018-10-26 20:30:20,568 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_650d0b3f-e592-40a8-8497-ea656a2982c5/bin-2019/ukojak/data/fe40bb404/6dbab03ce92f480abb2c76b5016fd974/FLAGf1e837ac3 [2018-10-26 20:30:20,580 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_650d0b3f-e592-40a8-8497-ea656a2982c5/bin-2019/ukojak/data/fe40bb404/6dbab03ce92f480abb2c76b5016fd974 [2018-10-26 20:30:20,586 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:30:20,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:30:20,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:30:20,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:30:20,596 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:30:20,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:30:20" (1/1) ... [2018-10-26 20:30:20,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39d51faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:30:20, skipping insertion in model container [2018-10-26 20:30:20,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:30:20" (1/1) ... [2018-10-26 20:30:20,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:30:20,655 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:30:20,905 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:30:20,923 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:30:20,982 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:30:21,006 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:30:21,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:30:21 WrapperNode [2018-10-26 20:30:21,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:30:21,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:30:21,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:30:21,008 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:30:21,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:30:21" (1/1) ... [2018-10-26 20:30:21,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:30:21" (1/1) ... [2018-10-26 20:30:21,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:30:21,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:30:21,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:30:21,124 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:30:21,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:30:21" (1/1) ... [2018-10-26 20:30:21,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:30:21" (1/1) ... [2018-10-26 20:30:21,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:30:21" (1/1) ... [2018-10-26 20:30:21,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:30:21" (1/1) ... [2018-10-26 20:30:21,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:30:21" (1/1) ... [2018-10-26 20:30:21,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:30:21" (1/1) ... [2018-10-26 20:30:21,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:30:21" (1/1) ... [2018-10-26 20:30:21,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:30:21,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:30:21,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:30:21,155 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:30:21,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:30:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_650d0b3f-e592-40a8-8497-ea656a2982c5/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 20:30:21,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 20:30:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 20:30:21,207 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 20:30:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 20:30:21,207 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 20:30:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 20:30:21,207 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 20:30:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 20:30:21,207 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 20:30:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 20:30:21,208 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 20:30:21,208 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-10-26 20:30:21,209 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-10-26 20:30:21,209 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-26 20:30:21,209 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-26 20:30:21,209 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 20:30:21,209 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 20:30:21,209 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 20:30:21,209 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 20:30:21,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:30:21,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:30:23,753 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:30:23,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:30:23 BoogieIcfgContainer [2018-10-26 20:30:23,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:30:23,754 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:30:23,754 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:30:23,761 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:30:23,761 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:30:23" (1/1) ... [2018-10-26 20:30:23,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:30:23,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:23,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 73 states and 99 transitions. [2018-10-26 20:30:23,798 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 99 transitions. [2018-10-26 20:30:23,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 20:30:23,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:23,963 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 20:30:23,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:23,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 73 states and 96 transitions. [2018-10-26 20:30:23,976 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2018-10-26 20:30:23,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 20:30:23,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:24,083 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 20:30:24,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:24,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 76 states and 100 transitions. [2018-10-26 20:30:24,252 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2018-10-26 20:30:24,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 20:30:24,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:24,371 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 20:30:24,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:24,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 79 states and 108 transitions. [2018-10-26 20:30:24,454 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 108 transitions. [2018-10-26 20:30:24,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 20:30:24,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:24,521 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 20:30:24,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:24,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 88 states and 123 transitions. [2018-10-26 20:30:24,827 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 123 transitions. [2018-10-26 20:30:24,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 20:30:24,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:24,896 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 20:30:24,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:24,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 89 states and 124 transitions. [2018-10-26 20:30:24,935 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 124 transitions. [2018-10-26 20:30:24,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 20:30:24,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:25,148 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 20:30:25,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:25,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 107 states and 160 transitions. [2018-10-26 20:30:25,761 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 160 transitions. [2018-10-26 20:30:25,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 20:30:25,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:25,796 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 20:30:25,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:25,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 108 states and 161 transitions. [2018-10-26 20:30:25,875 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 161 transitions. [2018-10-26 20:30:25,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 20:30:25,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:25,944 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 20:30:26,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:26,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 109 states and 162 transitions. [2018-10-26 20:30:26,002 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 162 transitions. [2018-10-26 20:30:26,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 20:30:26,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:26,184 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 20:30:26,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:26,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 119 states and 180 transitions. [2018-10-26 20:30:26,550 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 180 transitions. [2018-10-26 20:30:26,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 20:30:26,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:26,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:30:27,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:27,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 140 states and 225 transitions. [2018-10-26 20:30:27,944 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 225 transitions. [2018-10-26 20:30:27,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-26 20:30:27,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:28,047 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 20:30:28,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:28,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 143 states and 232 transitions. [2018-10-26 20:30:28,693 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 232 transitions. [2018-10-26 20:30:28,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 20:30:28,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:28,716 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 20:30:28,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:28,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 146 states and 239 transitions. [2018-10-26 20:30:28,867 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 239 transitions. [2018-10-26 20:30:28,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 20:30:28,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:28,908 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 20:30:29,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:29,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 147 states and 242 transitions. [2018-10-26 20:30:29,189 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 242 transitions. [2018-10-26 20:30:29,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 20:30:29,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:29,219 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 20:30:29,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:29,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 148 states and 243 transitions. [2018-10-26 20:30:29,395 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 243 transitions. [2018-10-26 20:30:29,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 20:30:29,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:29,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:30:29,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:29,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 149 states and 246 transitions. [2018-10-26 20:30:29,645 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 246 transitions. [2018-10-26 20:30:29,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 20:30:29,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:29,678 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 20:30:29,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:29,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 153 states and 253 transitions. [2018-10-26 20:30:29,950 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 253 transitions. [2018-10-26 20:30:29,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 20:30:29,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:29,974 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 20:30:30,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:30,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 159 states and 266 transitions. [2018-10-26 20:30:30,449 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 266 transitions. [2018-10-26 20:30:30,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 20:30:30,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:30,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:30:30,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:30,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 163 states and 277 transitions. [2018-10-26 20:30:30,671 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 277 transitions. [2018-10-26 20:30:30,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 20:30:30,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:30,695 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 20:30:30,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:30,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 169 states and 291 transitions. [2018-10-26 20:30:30,776 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 291 transitions. [2018-10-26 20:30:30,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 20:30:30,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:30,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:30:30,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:30,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 173 states and 300 transitions. [2018-10-26 20:30:30,904 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 300 transitions. [2018-10-26 20:30:30,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-26 20:30:30,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:30,992 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:30:31,714 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-26 20:30:32,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:32,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 184 states and 330 transitions. [2018-10-26 20:30:32,119 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 330 transitions. [2018-10-26 20:30:32,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 20:30:32,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:32,153 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:30:32,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:32,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 182 states and 326 transitions. [2018-10-26 20:30:32,313 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 326 transitions. [2018-10-26 20:30:32,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 20:30:32,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:34,085 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 20:30:34,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:34,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 185 states and 334 transitions. [2018-10-26 20:30:34,870 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 334 transitions. [2018-10-26 20:30:34,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 20:30:34,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:34,897 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 20:30:35,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:35,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 194 states and 347 transitions. [2018-10-26 20:30:35,127 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 347 transitions. [2018-10-26 20:30:35,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 20:30:35,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:35,152 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 20:30:35,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:35,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 197 states and 349 transitions. [2018-10-26 20:30:35,441 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 349 transitions. [2018-10-26 20:30:35,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 20:30:35,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:35,480 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:30:36,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:36,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 203 states and 362 transitions. [2018-10-26 20:30:36,129 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 362 transitions. [2018-10-26 20:30:36,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 20:30:36,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:36,151 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:30:36,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:36,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 204 states and 364 transitions. [2018-10-26 20:30:36,481 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 364 transitions. [2018-10-26 20:30:36,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 20:30:36,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:36,505 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:30:36,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:36,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 205 states and 366 transitions. [2018-10-26 20:30:36,812 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 366 transitions. [2018-10-26 20:30:36,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 20:30:36,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:36,837 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 20:30:36,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:36,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 206 states and 367 transitions. [2018-10-26 20:30:36,913 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 367 transitions. [2018-10-26 20:30:36,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 20:30:36,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:36,940 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:30:38,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:38,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 218 states and 392 transitions. [2018-10-26 20:30:38,151 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 392 transitions. [2018-10-26 20:30:38,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 20:30:38,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:38,175 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:30:38,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:38,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 221 states and 395 transitions. [2018-10-26 20:30:38,410 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 395 transitions. [2018-10-26 20:30:38,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 20:30:38,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:38,435 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:30:38,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:38,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 229 states and 424 transitions. [2018-10-26 20:30:38,755 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 424 transitions. [2018-10-26 20:30:38,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 20:30:38,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:38,778 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:30:39,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:39,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 232 states and 427 transitions. [2018-10-26 20:30:39,427 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 427 transitions. [2018-10-26 20:30:39,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-26 20:30:39,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:39,456 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:30:39,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:39,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 233 states and 428 transitions. [2018-10-26 20:30:39,523 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 428 transitions. [2018-10-26 20:30:39,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 20:30:39,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:39,791 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:30:41,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:41,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 250 states and 472 transitions. [2018-10-26 20:30:41,888 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 472 transitions. [2018-10-26 20:30:41,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 20:30:41,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:42,241 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:30:42,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:42,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 253 states and 477 transitions. [2018-10-26 20:30:42,460 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 477 transitions. [2018-10-26 20:30:42,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 20:30:42,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:42,931 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:30:44,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:44,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 263 states and 505 transitions. [2018-10-26 20:30:44,971 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 505 transitions. [2018-10-26 20:30:44,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-26 20:30:44,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:44,996 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:30:45,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:45,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 266 states and 510 transitions. [2018-10-26 20:30:45,083 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 510 transitions. [2018-10-26 20:30:45,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 20:30:45,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:45,107 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:30:45,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:45,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 267 states and 511 transitions. [2018-10-26 20:30:45,174 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 511 transitions. [2018-10-26 20:30:45,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 20:30:45,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:45,614 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:30:45,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:45,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 268 states and 512 transitions. [2018-10-26 20:30:45,633 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 512 transitions. [2018-10-26 20:30:45,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 20:30:45,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:45,843 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:30:46,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:46,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 272 states and 520 transitions. [2018-10-26 20:30:46,291 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 520 transitions. [2018-10-26 20:30:46,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-26 20:30:46,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:46,319 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:30:46,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:46,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 273 states and 521 transitions. [2018-10-26 20:30:46,388 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 521 transitions. [2018-10-26 20:30:46,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-26 20:30:46,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:46,684 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:30:47,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:47,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 282 states and 557 transitions. [2018-10-26 20:30:47,607 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 557 transitions. [2018-10-26 20:30:47,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-26 20:30:47,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:47,942 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:30:47,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:47,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 285 states and 562 transitions. [2018-10-26 20:30:47,999 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 562 transitions. [2018-10-26 20:30:48,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-26 20:30:48,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:48,138 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:30:48,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:48,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 288 states and 567 transitions. [2018-10-26 20:30:48,496 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 567 transitions. [2018-10-26 20:30:48,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-26 20:30:48,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:49,467 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:30:51,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:51,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 309 states and 612 transitions. [2018-10-26 20:30:51,913 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 612 transitions. [2018-10-26 20:30:51,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-26 20:30:51,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:51,936 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:30:52,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:52,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 312 states and 614 transitions. [2018-10-26 20:30:52,504 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 614 transitions. [2018-10-26 20:30:52,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-26 20:30:52,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:52,526 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 20:30:53,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:53,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 321 states and 633 transitions. [2018-10-26 20:30:53,941 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 633 transitions. [2018-10-26 20:30:53,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-26 20:30:53,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:53,963 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 20:30:54,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:54,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 325 states and 643 transitions. [2018-10-26 20:30:54,579 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 643 transitions. [2018-10-26 20:30:54,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 20:30:54,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:54,887 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 20:30:55,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:55,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 330 states and 663 transitions. [2018-10-26 20:30:55,657 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 663 transitions. [2018-10-26 20:30:55,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 20:30:55,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:55,942 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 20:30:57,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:57,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 339 states and 695 transitions. [2018-10-26 20:30:57,616 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 695 transitions. [2018-10-26 20:30:57,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 20:30:57,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:57,790 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 20:30:57,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:57,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 337 states and 679 transitions. [2018-10-26 20:30:57,802 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 679 transitions. [2018-10-26 20:30:57,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-26 20:30:57,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:57,821 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 20:30:58,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:58,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 340 states and 681 transitions. [2018-10-26 20:30:58,591 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 681 transitions. [2018-10-26 20:30:58,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-26 20:30:58,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:59,312 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:30:59,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:59,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 341 states and 682 transitions. [2018-10-26 20:30:59,348 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 682 transitions. [2018-10-26 20:30:59,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-26 20:30:59,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:59,695 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:30:59,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:59,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 342 states and 683 transitions. [2018-10-26 20:30:59,709 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 683 transitions. [2018-10-26 20:30:59,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-26 20:30:59,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:30:59,860 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:30:59,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:30:59,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 343 states and 684 transitions. [2018-10-26 20:30:59,871 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 684 transitions. [2018-10-26 20:30:59,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 20:30:59,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:30:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:00,093 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 20:31:01,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:01,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 349 states and 700 transitions. [2018-10-26 20:31:01,256 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 700 transitions. [2018-10-26 20:31:01,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-26 20:31:01,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:01,528 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:31:01,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:01,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 350 states and 704 transitions. [2018-10-26 20:31:01,611 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 704 transitions. [2018-10-26 20:31:01,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-26 20:31:01,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:01,838 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:31:02,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:02,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 355 states and 711 transitions. [2018-10-26 20:31:02,975 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 711 transitions. [2018-10-26 20:31:02,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 20:31:02,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:02,991 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 20:31:03,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:03,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 360 states and 720 transitions. [2018-10-26 20:31:03,400 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 720 transitions. [2018-10-26 20:31:03,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 20:31:03,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:03,423 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 20:31:04,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:04,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 361 states and 723 transitions. [2018-10-26 20:31:04,540 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 723 transitions. [2018-10-26 20:31:04,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 20:31:04,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:04,557 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 20:31:05,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:05,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 362 states and 726 transitions. [2018-10-26 20:31:05,025 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 726 transitions. [2018-10-26 20:31:05,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 20:31:05,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:05,048 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 20:31:05,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:05,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 368 states and 734 transitions. [2018-10-26 20:31:05,594 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 734 transitions. [2018-10-26 20:31:05,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 20:31:05,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:05,618 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 20:31:05,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:05,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 371 states and 736 transitions. [2018-10-26 20:31:05,988 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 736 transitions. [2018-10-26 20:31:05,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 20:31:05,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:06,005 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 20:31:06,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:06,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 372 states and 737 transitions. [2018-10-26 20:31:06,502 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 737 transitions. [2018-10-26 20:31:06,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-26 20:31:06,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:06,593 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 20:31:07,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:07,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 374 states and 749 transitions. [2018-10-26 20:31:07,890 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 749 transitions. [2018-10-26 20:31:07,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 20:31:07,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:07,914 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 20:31:07,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:07,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 375 states and 750 transitions. [2018-10-26 20:31:07,968 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 750 transitions. [2018-10-26 20:31:07,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-26 20:31:07,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:08,055 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 20:31:09,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:09,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 384 states and 770 transitions. [2018-10-26 20:31:09,326 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 770 transitions. [2018-10-26 20:31:09,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 20:31:09,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:09,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:09,410 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 20:31:09,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:09,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 387 states and 775 transitions. [2018-10-26 20:31:09,668 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 775 transitions. [2018-10-26 20:31:09,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 20:31:09,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:09,689 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 20:31:09,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:09,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 390 states and 778 transitions. [2018-10-26 20:31:09,928 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 778 transitions. [2018-10-26 20:31:09,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 20:31:09,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:09,947 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 20:31:10,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:10,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 392 states and 780 transitions. [2018-10-26 20:31:10,056 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 780 transitions. [2018-10-26 20:31:10,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-26 20:31:10,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:10,188 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 20:31:13,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:13,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 403 states and 802 transitions. [2018-10-26 20:31:13,008 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 802 transitions. [2018-10-26 20:31:13,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-26 20:31:13,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:13,028 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 20:31:13,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:13,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 397 states and 790 transitions. [2018-10-26 20:31:13,061 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 790 transitions. [2018-10-26 20:31:13,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-26 20:31:13,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:13,078 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 20:31:13,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:13,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 399 states and 793 transitions. [2018-10-26 20:31:13,467 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 793 transitions. [2018-10-26 20:31:13,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-26 20:31:13,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:13,482 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-10-26 20:31:13,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:13,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 400 states and 794 transitions. [2018-10-26 20:31:13,511 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 794 transitions. [2018-10-26 20:31:13,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-26 20:31:13,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:13,684 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:31:13,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:13,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 401 states and 796 transitions. [2018-10-26 20:31:13,751 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 796 transitions. [2018-10-26 20:31:13,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-26 20:31:13,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:13,771 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 20:31:13,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:13,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 403 states and 799 transitions. [2018-10-26 20:31:13,856 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 799 transitions. [2018-10-26 20:31:13,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-26 20:31:13,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:13,880 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 20:31:14,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:14,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 408 states and 808 transitions. [2018-10-26 20:31:14,215 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 808 transitions. [2018-10-26 20:31:14,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-26 20:31:14,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:14,236 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 20:31:14,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:14,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 408 states and 807 transitions. [2018-10-26 20:31:14,295 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 807 transitions. [2018-10-26 20:31:14,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-26 20:31:14,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:14,314 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 20:31:14,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:14,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 409 states and 808 transitions. [2018-10-26 20:31:14,636 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 808 transitions. [2018-10-26 20:31:14,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-26 20:31:14,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:14,653 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-10-26 20:31:14,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:14,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 410 states and 809 transitions. [2018-10-26 20:31:14,685 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 809 transitions. [2018-10-26 20:31:14,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-26 20:31:14,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:14,700 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 20:31:14,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:14,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 411 states and 810 transitions. [2018-10-26 20:31:14,724 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 810 transitions. [2018-10-26 20:31:14,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-26 20:31:14,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:14,747 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 20:31:14,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:14,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 405 states and 798 transitions. [2018-10-26 20:31:14,794 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 798 transitions. [2018-10-26 20:31:14,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-26 20:31:14,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:14,811 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 20:31:14,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:14,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 396 states and 780 transitions. [2018-10-26 20:31:14,841 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 780 transitions. [2018-10-26 20:31:14,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-26 20:31:14,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:14,892 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 33 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 20:31:16,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:16,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 406 states and 793 transitions. [2018-10-26 20:31:16,736 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 793 transitions. [2018-10-26 20:31:16,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-26 20:31:16,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:17,182 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-26 20:31:17,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:17,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 404 states and 781 transitions. [2018-10-26 20:31:17,544 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 781 transitions. [2018-10-26 20:31:17,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-26 20:31:17,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:31:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:31:17,977 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-26 20:31:18,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:31:18,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 188 states and 256 transitions. [2018-10-26 20:31:18,299 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 256 transitions. [2018-10-26 20:31:18,299 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 20:31:18,299 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 88 iterations. [2018-10-26 20:31:18,309 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 20:31:18,810 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-10-26 20:31:18,817 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-10-26 20:31:18,818 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:31:18,818 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-10-26 20:31:18,820 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:31:18,820 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:31:18,820 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:31:18,820 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:31:18,820 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-10-26 20:31:18,820 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:31:18,821 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:31:18,821 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:31:18,821 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:31:18,821 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:31:18,821 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:31:18,821 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:31:18,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 08:31:18 ImpRootNode [2018-10-26 20:31:18,822 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 20:31:18,822 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:31:18,822 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:31:18,822 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:31:18,823 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:30:23" (3/4) ... [2018-10-26 20:31:18,830 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 20:31:18,835 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 20:31:18,835 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 20:31:18,835 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 20:31:18,835 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 20:31:18,835 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 20:31:18,835 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 20:31:18,836 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 20:31:18,836 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-10-26 20:31:18,836 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-26 20:31:18,843 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges [2018-10-26 20:31:18,844 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-10-26 20:31:18,844 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-10-26 20:31:18,873 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || (!(systemActive == 0) && !(pumpRunning == 0)) [2018-10-26 20:31:18,873 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2018-10-26 20:31:18,920 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_650d0b3f-e592-40a8-8497-ea656a2982c5/bin-2019/ukojak/witness.graphml [2018-10-26 20:31:18,920 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:31:18,921 INFO L168 Benchmark]: Toolchain (without parser) took 58333.73 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 726.1 MB). Free memory was 951.8 MB in the beginning and 967.2 MB in the end (delta: -15.5 MB). Peak memory consumption was 710.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:31:18,922 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:31:18,922 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.12 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 927.5 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:31:18,922 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 927.5 MB in the beginning and 1.1 GB in the end (delta: -192.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-10-26 20:31:18,923 INFO L168 Benchmark]: Boogie Preprocessor took 31.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:31:18,923 INFO L168 Benchmark]: RCFGBuilder took 2598.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 96.5 MB). Peak memory consumption was 96.5 MB. Max. memory is 11.5 GB. [2018-10-26 20:31:18,923 INFO L168 Benchmark]: CodeCheck took 55067.89 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 598.2 MB). Free memory was 1.0 GB in the beginning and 967.2 MB in the end (delta: 52.7 MB). Peak memory consumption was 650.9 MB. Max. memory is 11.5 GB. [2018-10-26 20:31:18,923 INFO L168 Benchmark]: Witness Printer took 98.50 ms. Allocated memory is still 1.8 GB. Free memory is still 967.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:31:18,928 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 10 procedures, 137 locations, 1 error locations. SAFE Result, 54.5s OverallTime, 88 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1387200656 SDtfs, 565702784 SDslu, 707254384 SDs, 0 SdLazy, 1186390084 SolverSat, 1025216472 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 238.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54058 GetRequests, 52993 SyntacticMatches, 507 SemanticMatches, 558 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186994 ImplicationChecksByTransitivity, 45.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 11.1s InterpolantComputationTime, 4675 NumberOfCodeBlocks, 4675 NumberOfCodeBlocksAsserted, 87 NumberOfCheckSat, 4588 ConstructedInterpolants, 0 QuantifiedInterpolants, 524406 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 87 InterpolantComputations, 78 PerfectInterpolantSequences, 1835/1883 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: 438]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(0 == tmp) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || (!(systemActive == 0) && !(pumpRunning == 0)) - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 416.12 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 927.5 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 115.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 927.5 MB in the beginning and 1.1 GB in the end (delta: -192.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2598.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 96.5 MB). Peak memory consumption was 96.5 MB. Max. memory is 11.5 GB. * CodeCheck took 55067.89 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 598.2 MB). Free memory was 1.0 GB in the beginning and 967.2 MB in the end (delta: 52.7 MB). Peak memory consumption was 650.9 MB. Max. memory is 11.5 GB. * Witness Printer took 98.50 ms. Allocated memory is still 1.8 GB. Free memory is still 967.2 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...