./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product19_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0b4a0273-fde4-49a3-a642-0428d2222d7b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0b4a0273-fde4-49a3-a642-0428d2222d7b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0b4a0273-fde4-49a3-a642-0428d2222d7b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0b4a0273-fde4-49a3-a642-0428d2222d7b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product19_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0b4a0273-fde4-49a3-a642-0428d2222d7b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0b4a0273-fde4-49a3-a642-0428d2222d7b/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 db72a434ba2554f10f7540a58e5ab1c726dc8fbe .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 06:04:29,029 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 06:04:29,030 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 06:04:29,037 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 06:04:29,037 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 06:04:29,037 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 06:04:29,038 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 06:04:29,039 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 06:04:29,040 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 06:04:29,040 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 06:04:29,041 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 06:04:29,041 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 06:04:29,041 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 06:04:29,042 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 06:04:29,042 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 06:04:29,043 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 06:04:29,043 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 06:04:29,044 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 06:04:29,045 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 06:04:29,046 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 06:04:29,046 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 06:04:29,047 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 06:04:29,048 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 06:04:29,048 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 06:04:29,048 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 06:04:29,049 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 06:04:29,049 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 06:04:29,050 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 06:04:29,050 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 06:04:29,051 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 06:04:29,051 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 06:04:29,051 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 06:04:29,051 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 06:04:29,052 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 06:04:29,052 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 06:04:29,052 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 06:04:29,053 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0b4a0273-fde4-49a3-a642-0428d2222d7b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 06:04:29,060 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 06:04:29,060 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 06:04:29,060 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 06:04:29,061 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 06:04:29,061 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 06:04:29,061 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 06:04:29,061 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 06:04:29,061 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 06:04:29,062 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 06:04:29,062 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 06:04:29,062 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 06:04:29,062 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 06:04:29,062 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 06:04:29,062 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 06:04:29,062 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 06:04:29,062 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 06:04:29,063 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 06:04:29,063 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 06:04:29,063 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 06:04:29,063 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 06:04:29,063 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 06:04:29,063 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 06:04:29,063 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 06:04:29,063 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 06:04:29,064 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 06:04:29,064 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 06:04:29,064 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 06:04:29,064 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 06:04:29,064 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 06:04:29,064 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_0b4a0273-fde4-49a3-a642-0428d2222d7b/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 -> db72a434ba2554f10f7540a58e5ab1c726dc8fbe [2018-12-02 06:04:29,082 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 06:04:29,088 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 06:04:29,090 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 06:04:29,091 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 06:04:29,091 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 06:04:29,092 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0b4a0273-fde4-49a3-a642-0428d2222d7b/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product19_true-unreach-call_false-termination.cil.c [2018-12-02 06:04:29,130 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b4a0273-fde4-49a3-a642-0428d2222d7b/bin-2019/ukojak/data/fa63c3cf8/067b7ad2312e4ad9859b21b8bdf0f3fb/FLAGd7340e172 [2018-12-02 06:04:29,625 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 06:04:29,625 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0b4a0273-fde4-49a3-a642-0428d2222d7b/sv-benchmarks/c/product-lines/minepump_spec1_product19_true-unreach-call_false-termination.cil.c [2018-12-02 06:04:29,631 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b4a0273-fde4-49a3-a642-0428d2222d7b/bin-2019/ukojak/data/fa63c3cf8/067b7ad2312e4ad9859b21b8bdf0f3fb/FLAGd7340e172 [2018-12-02 06:04:29,640 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0b4a0273-fde4-49a3-a642-0428d2222d7b/bin-2019/ukojak/data/fa63c3cf8/067b7ad2312e4ad9859b21b8bdf0f3fb [2018-12-02 06:04:29,642 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 06:04:29,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 06:04:29,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 06:04:29,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 06:04:29,647 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 06:04:29,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:04:29" (1/1) ... [2018-12-02 06:04:29,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f304bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:29, skipping insertion in model container [2018-12-02 06:04:29,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:04:29" (1/1) ... [2018-12-02 06:04:29,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 06:04:29,684 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 06:04:29,847 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:04:29,894 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 06:04:29,943 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:04:29,958 INFO L195 MainTranslator]: Completed translation [2018-12-02 06:04:29,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:29 WrapperNode [2018-12-02 06:04:29,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 06:04:29,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 06:04:29,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 06:04:29,959 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 06:04:29,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:29" (1/1) ... [2018-12-02 06:04:29,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:29" (1/1) ... [2018-12-02 06:04:29,989 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 06:04:29,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 06:04:29,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 06:04:29,989 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 06:04:29,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:29" (1/1) ... [2018-12-02 06:04:29,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:29" (1/1) ... [2018-12-02 06:04:29,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:29" (1/1) ... [2018-12-02 06:04:29,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:29" (1/1) ... [2018-12-02 06:04:30,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:29" (1/1) ... [2018-12-02 06:04:30,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:29" (1/1) ... [2018-12-02 06:04:30,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:29" (1/1) ... [2018-12-02 06:04:30,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 06:04:30,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 06:04:30,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 06:04:30,006 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 06:04:30,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b4a0273-fde4-49a3-a642-0428d2222d7b/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 06:04:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 06:04:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 06:04:30,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 06:04:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 06:04:30,040 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 06:04:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 06:04:30,040 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 06:04:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 06:04:30,040 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 06:04:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 06:04:30,040 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 06:04:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 06:04:30,041 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 06:04:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 06:04:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 06:04:30,041 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 06:04:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 06:04:30,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 06:04:30,399 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 06:04:30,399 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-12-02 06:04:30,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:04:30 BoogieIcfgContainer [2018-12-02 06:04:30,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 06:04:30,400 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 06:04:30,400 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 06:04:30,409 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 06:04:30,409 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:04:30" (1/1) ... [2018-12-02 06:04:30,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:04:30,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:30,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2018-12-02 06:04:30,451 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2018-12-02 06:04:30,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 06:04:30,454 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:30,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:04:30,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:30,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2018-12-02 06:04:30,586 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2018-12-02 06:04:30,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 06:04:30,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:30,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:04:30,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:30,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2018-12-02 06:04:30,661 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2018-12-02 06:04:30,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 06:04:30,662 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:30,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:04:30,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:30,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 66 states and 94 transitions. [2018-12-02 06:04:30,785 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2018-12-02 06:04:30,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 06:04:30,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:30,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:04:30,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:30,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2018-12-02 06:04:30,811 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2018-12-02 06:04:30,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 06:04:30,811 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:30,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:04:31,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:31,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 83 states and 128 transitions. [2018-12-02 06:04:31,073 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 128 transitions. [2018-12-02 06:04:31,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 06:04:31,074 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:31,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:04:31,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:31,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 84 states and 129 transitions. [2018-12-02 06:04:31,118 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 129 transitions. [2018-12-02 06:04:31,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 06:04:31,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:31,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:04:31,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:31,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 85 states and 130 transitions. [2018-12-02 06:04:31,158 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 130 transitions. [2018-12-02 06:04:31,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 06:04:31,160 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:31,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:04:31,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:31,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 96 states and 154 transitions. [2018-12-02 06:04:31,483 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 154 transitions. [2018-12-02 06:04:31,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 06:04:31,484 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:31,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:04:31,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:31,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 102 states and 168 transitions. [2018-12-02 06:04:31,600 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 168 transitions. [2018-12-02 06:04:31,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 06:04:31,602 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:31,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:04:31,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:31,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 105 states and 176 transitions. [2018-12-02 06:04:31,755 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 176 transitions. [2018-12-02 06:04:31,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 06:04:31,756 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:31,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:04:31,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:31,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 106 states and 177 transitions. [2018-12-02 06:04:31,794 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 177 transitions. [2018-12-02 06:04:31,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 06:04:31,795 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:31,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:04:32,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:32,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 118 states and 201 transitions. [2018-12-02 06:04:32,252 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 201 transitions. [2018-12-02 06:04:32,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 06:04:32,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:32,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:04:32,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:32,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 119 states and 202 transitions. [2018-12-02 06:04:32,269 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 202 transitions. [2018-12-02 06:04:32,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 06:04:32,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:32,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:04:32,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:32,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 120 states and 203 transitions. [2018-12-02 06:04:32,291 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 203 transitions. [2018-12-02 06:04:32,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 06:04:32,292 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:32,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:04:32,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:32,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 121 states and 204 transitions. [2018-12-02 06:04:32,314 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 204 transitions. [2018-12-02 06:04:32,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 06:04:32,314 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:32,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:04:32,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:32,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 126 states and 215 transitions. [2018-12-02 06:04:32,428 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 215 transitions. [2018-12-02 06:04:32,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 06:04:32,429 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:32,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:04:32,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:32,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 127 states and 216 transitions. [2018-12-02 06:04:32,468 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 216 transitions. [2018-12-02 06:04:32,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 06:04:32,470 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:32,513 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 06:04:32,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:32,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 137 states and 242 transitions. [2018-12-02 06:04:32,871 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 242 transitions. [2018-12-02 06:04:32,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 06:04:32,872 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:32,883 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 06:04:32,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:32,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 135 states and 238 transitions. [2018-12-02 06:04:32,894 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 238 transitions. [2018-12-02 06:04:32,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 06:04:32,895 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:33,063 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 06:04:33,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:33,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 138 states and 244 transitions. [2018-12-02 06:04:33,479 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 244 transitions. [2018-12-02 06:04:33,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 06:04:33,480 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:33,493 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 06:04:33,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:33,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 139 states and 245 transitions. [2018-12-02 06:04:33,506 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 245 transitions. [2018-12-02 06:04:33,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 06:04:33,507 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:33,521 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 06:04:33,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:33,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 142 states and 252 transitions. [2018-12-02 06:04:33,660 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 252 transitions. [2018-12-02 06:04:33,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 06:04:33,661 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:33,677 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 06:04:33,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:33,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 143 states and 253 transitions. [2018-12-02 06:04:33,688 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 253 transitions. [2018-12-02 06:04:33,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 06:04:33,689 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:33,705 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 06:04:33,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:33,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 146 states and 260 transitions. [2018-12-02 06:04:33,923 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 260 transitions. [2018-12-02 06:04:33,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 06:04:33,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:33,948 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 06:04:34,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:34,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 162 states and 292 transitions. [2018-12-02 06:04:34,647 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 292 transitions. [2018-12-02 06:04:34,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 06:04:34,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:34,660 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 06:04:34,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:34,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 169 states and 305 transitions. [2018-12-02 06:04:34,844 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 305 transitions. [2018-12-02 06:04:34,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 06:04:34,845 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:34,856 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 06:04:34,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:34,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 171 states and 306 transitions. [2018-12-02 06:04:34,986 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 306 transitions. [2018-12-02 06:04:34,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 06:04:34,987 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:35,011 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 06:04:35,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:35,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 172 states and 314 transitions. [2018-12-02 06:04:35,015 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 314 transitions. [2018-12-02 06:04:35,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 06:04:35,016 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:35,027 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 06:04:35,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:35,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 173 states and 314 transitions. [2018-12-02 06:04:35,031 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 314 transitions. [2018-12-02 06:04:35,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 06:04:35,032 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:35,092 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 06:04:36,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:36,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 191 states and 366 transitions. [2018-12-02 06:04:36,187 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 366 transitions. [2018-12-02 06:04:36,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 06:04:36,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:36,212 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 06:04:36,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:36,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 193 states and 367 transitions. [2018-12-02 06:04:36,374 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 367 transitions. [2018-12-02 06:04:36,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 06:04:36,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:36,393 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 06:04:36,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:36,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 194 states and 367 transitions. [2018-12-02 06:04:36,402 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 367 transitions. [2018-12-02 06:04:36,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-02 06:04:36,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:36,422 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 06:04:36,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:36,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 197 states and 372 transitions. [2018-12-02 06:04:36,435 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 372 transitions. [2018-12-02 06:04:36,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 06:04:36,436 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:36,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:36,479 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 06:04:36,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:36,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 198 states and 373 transitions. [2018-12-02 06:04:36,490 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 373 transitions. [2018-12-02 06:04:36,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 06:04:36,491 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:36,517 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 06:04:36,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:36,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 199 states and 374 transitions. [2018-12-02 06:04:36,535 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 374 transitions. [2018-12-02 06:04:36,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 06:04:36,536 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:36,546 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 06:04:36,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:36,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 200 states and 375 transitions. [2018-12-02 06:04:36,554 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 375 transitions. [2018-12-02 06:04:36,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 06:04:36,554 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:36,566 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 06:04:37,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:37,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 216 states and 409 transitions. [2018-12-02 06:04:37,751 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 409 transitions. [2018-12-02 06:04:37,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 06:04:37,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:37,771 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 06:04:37,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:37,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 218 states and 410 transitions. [2018-12-02 06:04:37,937 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 410 transitions. [2018-12-02 06:04:37,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 06:04:37,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:37,959 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 06:04:39,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:39,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 230 states and 441 transitions. [2018-12-02 06:04:39,185 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 441 transitions. [2018-12-02 06:04:39,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 06:04:39,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:39,199 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 06:04:39,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:39,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 232 states and 442 transitions. [2018-12-02 06:04:39,363 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 442 transitions. [2018-12-02 06:04:39,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 06:04:39,364 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:39,375 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 06:04:39,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:39,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 233 states and 442 transitions. [2018-12-02 06:04:39,381 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 442 transitions. [2018-12-02 06:04:39,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 06:04:39,381 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:39,389 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 06:04:41,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:41,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 239 states and 452 transitions. [2018-12-02 06:04:41,105 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 452 transitions. [2018-12-02 06:04:41,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 06:04:41,106 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:41,127 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 06:04:41,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:41,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 240 states and 453 transitions. [2018-12-02 06:04:41,139 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 453 transitions. [2018-12-02 06:04:41,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 06:04:41,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:41,151 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 06:04:41,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:41,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 241 states and 454 transitions. [2018-12-02 06:04:41,165 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 454 transitions. [2018-12-02 06:04:41,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 06:04:41,166 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:41,182 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 06:04:41,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:41,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 241 states and 447 transitions. [2018-12-02 06:04:41,439 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 447 transitions. [2018-12-02 06:04:41,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 06:04:41,439 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:41,542 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 06:04:41,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:41,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 244 states and 451 transitions. [2018-12-02 06:04:41,615 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 451 transitions. [2018-12-02 06:04:41,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 06:04:41,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:41,625 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 06:04:41,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:41,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 245 states and 452 transitions. [2018-12-02 06:04:41,649 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 452 transitions. [2018-12-02 06:04:41,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 06:04:41,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:41,664 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 06:04:41,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:41,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 247 states and 454 transitions. [2018-12-02 06:04:41,854 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 454 transitions. [2018-12-02 06:04:41,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-02 06:04:41,855 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:41,865 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 06:04:41,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:41,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 248 states and 455 transitions. [2018-12-02 06:04:41,874 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 455 transitions. [2018-12-02 06:04:41,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-02 06:04:41,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:41,885 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 06:04:41,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:41,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 249 states and 456 transitions. [2018-12-02 06:04:41,903 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 456 transitions. [2018-12-02 06:04:41,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-02 06:04:41,904 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:41,915 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 06:04:42,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:42,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 253 states and 463 transitions. [2018-12-02 06:04:42,053 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 463 transitions. [2018-12-02 06:04:42,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-02 06:04:42,054 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:42,109 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 06:04:43,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:43,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 261 states and 476 transitions. [2018-12-02 06:04:43,134 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 476 transitions. [2018-12-02 06:04:43,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 06:04:43,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:43,146 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 06:04:43,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:43,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 262 states and 476 transitions. [2018-12-02 06:04:43,157 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 476 transitions. [2018-12-02 06:04:43,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-02 06:04:43,157 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:43,166 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 06:04:43,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:43,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 267 states and 486 transitions. [2018-12-02 06:04:43,566 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 486 transitions. [2018-12-02 06:04:43,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-02 06:04:43,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:43,576 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 06:04:43,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:43,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 265 states and 482 transitions. [2018-12-02 06:04:43,589 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 482 transitions. [2018-12-02 06:04:43,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-02 06:04:43,589 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:43,603 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 06:04:43,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:43,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 266 states and 485 transitions. [2018-12-02 06:04:43,816 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 485 transitions. [2018-12-02 06:04:43,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 06:04:43,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:43,858 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-02 06:04:44,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:44,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 268 states and 486 transitions. [2018-12-02 06:04:44,662 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 486 transitions. [2018-12-02 06:04:44,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 06:04:44,662 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:44,672 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 06:04:44,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:44,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 269 states and 486 transitions. [2018-12-02 06:04:44,683 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 486 transitions. [2018-12-02 06:04:44,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 06:04:44,683 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:44,692 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 06:04:44,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:44,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 271 states and 489 transitions. [2018-12-02 06:04:44,726 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 489 transitions. [2018-12-02 06:04:44,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-02 06:04:44,727 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:44,742 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 06:04:44,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:44,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 273 states and 491 transitions. [2018-12-02 06:04:44,760 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 491 transitions. [2018-12-02 06:04:44,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 06:04:44,760 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:44,770 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 06:04:44,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:44,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 271 states and 487 transitions. [2018-12-02 06:04:44,783 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 487 transitions. [2018-12-02 06:04:44,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 06:04:44,783 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:44,891 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 06:04:45,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:45,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 277 states and 499 transitions. [2018-12-02 06:04:45,012 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 499 transitions. [2018-12-02 06:04:45,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 06:04:45,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:45,113 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 06:04:45,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:45,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 278 states and 499 transitions. [2018-12-02 06:04:45,123 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 499 transitions. [2018-12-02 06:04:45,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-02 06:04:45,123 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:45,134 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 06:04:45,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:45,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 279 states and 499 transitions. [2018-12-02 06:04:45,149 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 499 transitions. [2018-12-02 06:04:45,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 06:04:45,149 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:45,158 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 06:04:45,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:45,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 279 states and 498 transitions. [2018-12-02 06:04:45,179 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 498 transitions. [2018-12-02 06:04:45,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 06:04:45,180 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:45,189 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 06:04:45,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:45,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 281 states and 501 transitions. [2018-12-02 06:04:45,215 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 501 transitions. [2018-12-02 06:04:45,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 06:04:45,215 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:45,225 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 06:04:45,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:45,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 272 states and 484 transitions. [2018-12-02 06:04:45,241 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 484 transitions. [2018-12-02 06:04:45,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-02 06:04:45,241 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:45,426 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 06:04:45,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:45,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 274 states and 485 transitions. [2018-12-02 06:04:45,756 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 485 transitions. [2018-12-02 06:04:45,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-02 06:04:45,757 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:45,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:45,768 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 06:04:45,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:45,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 266 states and 468 transitions. [2018-12-02 06:04:45,787 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 468 transitions. [2018-12-02 06:04:45,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-02 06:04:45,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:45,797 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 06:04:45,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:45,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 267 states and 469 transitions. [2018-12-02 06:04:45,815 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 469 transitions. [2018-12-02 06:04:45,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-02 06:04:45,815 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:45,829 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 06:04:45,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:45,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 254 states and 446 transitions. [2018-12-02 06:04:45,846 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 446 transitions. [2018-12-02 06:04:45,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-02 06:04:45,846 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:46,047 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 06:04:46,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:46,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 259 states and 458 transitions. [2018-12-02 06:04:46,329 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 458 transitions. [2018-12-02 06:04:46,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-02 06:04:46,329 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:46,439 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 06:04:46,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:46,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 260 states and 458 transitions. [2018-12-02 06:04:46,449 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 458 transitions. [2018-12-02 06:04:46,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-02 06:04:46,449 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:46,556 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 06:04:46,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:46,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 261 states and 459 transitions. [2018-12-02 06:04:46,568 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 459 transitions. [2018-12-02 06:04:46,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-02 06:04:46,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:46,581 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-02 06:04:46,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:46,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 259 states and 453 transitions. [2018-12-02 06:04:46,790 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 453 transitions. [2018-12-02 06:04:46,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-02 06:04:46,790 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:04:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:04:46,802 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-02 06:04:47,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:04:47,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 132 states and 190 transitions. [2018-12-02 06:04:47,038 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 190 transitions. [2018-12-02 06:04:47,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 06:04:47,038 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 77 iterations. [2018-12-02 06:04:47,044 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 06:04:47,284 INFO L583 CodeCheckObserver]: Invariant with dag size 15 [2018-12-02 06:04:47,289 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 06:04:47,289 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 06:04:47,289 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 06:04:47,289 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-02 06:04:47,289 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-02 06:04:47,290 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 06:04:47,290 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 06:04:47,290 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 06:04:47,290 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 06:04:47,290 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 06:04:47,290 INFO L583 CodeCheckObserver]: Invariant with dag size 18 [2018-12-02 06:04:47,290 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 06:04:47,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 06:04:47 ImpRootNode [2018-12-02 06:04:47,291 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 06:04:47,291 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 06:04:47,291 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 06:04:47,291 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 06:04:47,291 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:04:30" (3/4) ... [2018-12-02 06:04:47,293 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 06:04:47,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 06:04:47,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 06:04:47,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 06:04:47,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 06:04:47,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 06:04:47,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 06:04:47,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 06:04:47,301 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2018-12-02 06:04:47,301 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 06:04:47,301 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-02 06:04:47,301 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 06:04:47,301 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 06:04:47,301 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 06:04:47,318 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) && !(systemActive == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-12-02 06:04:47,318 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(systemActive == 0)) || !(0 == pumpRunning) [2018-12-02 06:04:47,318 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((systemActive == 0 && !(tmp == 0)) || (!(pumpRunning == \old(pumpRunning)) && !(tmp == 0))) || tmp == methaneLevelCritical) || (!(0 == pumpRunning) && !(tmp == 0)) [2018-12-02 06:04:47,336 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0b4a0273-fde4-49a3-a642-0428d2222d7b/bin-2019/ukojak/witness.graphml [2018-12-02 06:04:47,336 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 06:04:47,336 INFO L168 Benchmark]: Toolchain (without parser) took 17693.52 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 474.5 MB). Free memory was 957.1 MB in the beginning and 915.4 MB in the end (delta: 41.7 MB). Peak memory consumption was 516.1 MB. Max. memory is 11.5 GB. [2018-12-02 06:04:47,337 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:04:47,337 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -118.7 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-02 06:04:47,337 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.00 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:04:47,337 INFO L168 Benchmark]: Boogie Preprocessor took 16.98 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:04:47,338 INFO L168 Benchmark]: RCFGBuilder took 393.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.7 MB in the end (delta: 73.7 MB). Peak memory consumption was 73.7 MB. Max. memory is 11.5 GB. [2018-12-02 06:04:47,338 INFO L168 Benchmark]: CodeCheck took 16891.07 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 386.9 MB). Free memory was 996.7 MB in the beginning and 930.0 MB in the end (delta: 66.7 MB). Peak memory consumption was 453.6 MB. Max. memory is 11.5 GB. [2018-12-02 06:04:47,338 INFO L168 Benchmark]: Witness Printer took 45.04 ms. Allocated memory is still 1.5 GB. Free memory was 930.0 MB in the beginning and 915.4 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-12-02 06:04:47,339 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 72 locations, 1 error locations. SAFE Result, 16.6s OverallTime, 77 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1400764272 SDtfs, 187675976 SDslu, 1189537528 SDs, 0 SdLazy, -1945882838 SolverSat, 1692657158 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 41.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37907 GetRequests, 37104 SyntacticMatches, 429 SemanticMatches, 374 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74071 ImplicationChecksByTransitivity, 13.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 3591 NumberOfCodeBlocks, 3591 NumberOfCodeBlocksAsserted, 76 NumberOfCheckSat, 3515 ConstructedInterpolants, 0 QuantifiedInterpolants, 385658 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 76 InterpolantComputations, 51 PerfectInterpolantSequences, 1479/1665 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: 73]: 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: 685]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) && !(systemActive == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(systemActive == 0)) || !(0 == pumpRunning) - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: (((systemActive == 0 && !(tmp == 0)) || (!(pumpRunning == \old(pumpRunning)) && !(tmp == 0))) || tmp == methaneLevelCritical) || (!(0 == pumpRunning) && !(tmp == 0)) - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 314.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -118.7 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.00 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.98 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 393.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.7 MB in the end (delta: 73.7 MB). Peak memory consumption was 73.7 MB. Max. memory is 11.5 GB. * CodeCheck took 16891.07 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 386.9 MB). Free memory was 996.7 MB in the beginning and 930.0 MB in the end (delta: 66.7 MB). Peak memory consumption was 453.6 MB. Max. memory is 11.5 GB. * Witness Printer took 45.04 ms. Allocated memory is still 1.5 GB. Free memory was 930.0 MB in the beginning and 915.4 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...