./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product27_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_1fa5b0fe-7040-4a18-bff0-1e5b6f86ea2f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1fa5b0fe-7040-4a18-bff0-1e5b6f86ea2f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1fa5b0fe-7040-4a18-bff0-1e5b6f86ea2f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1fa5b0fe-7040-4a18-bff0-1e5b6f86ea2f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product27_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1fa5b0fe-7040-4a18-bff0-1e5b6f86ea2f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1fa5b0fe-7040-4a18-bff0-1e5b6f86ea2f/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 9c8016f452608c4941fa660b03ce7c0101dbbdf8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 12:34:51,314 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:34:51,315 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:34:51,321 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:34:51,321 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:34:51,322 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:34:51,322 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:34:51,323 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:34:51,324 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:34:51,324 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:34:51,325 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:34:51,325 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:34:51,325 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:34:51,326 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:34:51,326 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:34:51,327 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:34:51,327 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:34:51,328 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:34:51,329 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:34:51,330 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:34:51,330 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:34:51,331 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:34:51,332 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:34:51,332 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:34:51,332 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:34:51,333 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:34:51,333 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:34:51,333 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:34:51,334 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:34:51,334 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:34:51,335 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:34:51,335 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:34:51,335 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:34:51,335 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:34:51,336 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:34:51,336 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:34:51,336 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1fa5b0fe-7040-4a18-bff0-1e5b6f86ea2f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 12:34:51,343 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:34:51,343 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:34:51,344 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:34:51,344 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 12:34:51,344 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 12:34:51,344 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 12:34:51,344 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:34:51,345 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:34:51,345 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 12:34:51,345 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:34:51,345 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:34:51,345 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:34:51,345 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:34:51,345 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:34:51,345 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:34:51,345 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:34:51,345 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 12:34:51,346 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:34:51,346 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 12:34:51,346 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 12:34:51,346 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:34:51,346 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:34:51,346 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 12:34:51,346 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:34:51,346 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:34:51,346 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:34:51,346 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 12:34:51,346 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:34:51,347 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 12:34:51,347 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_1fa5b0fe-7040-4a18-bff0-1e5b6f86ea2f/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 -> 9c8016f452608c4941fa660b03ce7c0101dbbdf8 [2018-12-09 12:34:51,364 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:34:51,372 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:34:51,374 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:34:51,375 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:34:51,375 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:34:51,375 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1fa5b0fe-7040-4a18-bff0-1e5b6f86ea2f/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product27_true-unreach-call_false-termination.cil.c [2018-12-09 12:34:51,412 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1fa5b0fe-7040-4a18-bff0-1e5b6f86ea2f/bin-2019/ukojak/data/78e25dab7/e63decf75b8c472d9f071b2b33aeb057/FLAG0567bb007 [2018-12-09 12:34:51,762 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:34:51,763 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1fa5b0fe-7040-4a18-bff0-1e5b6f86ea2f/sv-benchmarks/c/product-lines/minepump_spec2_product27_true-unreach-call_false-termination.cil.c [2018-12-09 12:34:51,768 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1fa5b0fe-7040-4a18-bff0-1e5b6f86ea2f/bin-2019/ukojak/data/78e25dab7/e63decf75b8c472d9f071b2b33aeb057/FLAG0567bb007 [2018-12-09 12:34:51,776 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1fa5b0fe-7040-4a18-bff0-1e5b6f86ea2f/bin-2019/ukojak/data/78e25dab7/e63decf75b8c472d9f071b2b33aeb057 [2018-12-09 12:34:51,778 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:34:51,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:34:51,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:34:51,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:34:51,781 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:34:51,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:34:51" (1/1) ... [2018-12-09 12:34:51,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:51, skipping insertion in model container [2018-12-09 12:34:51,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:34:51" (1/1) ... [2018-12-09 12:34:51,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:34:51,808 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:34:51,951 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:34:51,990 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:34:52,039 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:34:52,054 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:34:52,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:52 WrapperNode [2018-12-09 12:34:52,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:34:52,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:34:52,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:34:52,055 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:34:52,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:52" (1/1) ... [2018-12-09 12:34:52,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:52" (1/1) ... [2018-12-09 12:34:52,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:34:52,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:34:52,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:34:52,086 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:34:52,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:52" (1/1) ... [2018-12-09 12:34:52,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:52" (1/1) ... [2018-12-09 12:34:52,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:52" (1/1) ... [2018-12-09 12:34:52,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:52" (1/1) ... [2018-12-09 12:34:52,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:52" (1/1) ... [2018-12-09 12:34:52,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:52" (1/1) ... [2018-12-09 12:34:52,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:52" (1/1) ... [2018-12-09 12:34:52,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:34:52,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:34:52,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:34:52,103 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:34:52,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1fa5b0fe-7040-4a18-bff0-1e5b6f86ea2f/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 [2018-12-09 12:34:52,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 12:34:52,137 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 12:34:52,137 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 12:34:52,137 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 12:34:52,137 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 12:34:52,138 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 12:34:52,138 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 12:34:52,138 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 12:34:52,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 12:34:52,138 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 12:34:52,138 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 12:34:52,138 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 12:34:52,138 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 12:34:52,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 12:34:52,138 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 12:34:52,139 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 12:34:52,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:34:52,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:34:52,548 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:34:52,549 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-12-09 12:34:52,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:34:52 BoogieIcfgContainer [2018-12-09 12:34:52,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:34:52,549 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 12:34:52,549 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 12:34:52,556 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 12:34:52,556 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:34:52" (1/1) ... [2018-12-09 12:34:52,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:34:52,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:52,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 55 states and 74 transitions. [2018-12-09 12:34:52,586 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2018-12-09 12:34:52,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 12:34:52,589 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:52,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:52,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:52,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2018-12-09 12:34:52,703 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2018-12-09 12:34:52,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 12:34:52,704 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:52,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:52,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:52,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2018-12-09 12:34:52,781 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-12-09 12:34:52,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 12:34:52,781 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:52,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:52,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:52,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 67 states and 96 transitions. [2018-12-09 12:34:52,918 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 96 transitions. [2018-12-09 12:34:52,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 12:34:52,919 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:52,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:53,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:53,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 83 states and 129 transitions. [2018-12-09 12:34:53,177 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 129 transitions. [2018-12-09 12:34:53,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 12:34:53,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:53,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:53,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:53,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 84 states and 130 transitions. [2018-12-09 12:34:53,214 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 130 transitions. [2018-12-09 12:34:53,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 12:34:53,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:53,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:53,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:53,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 85 states and 131 transitions. [2018-12-09 12:34:53,250 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 131 transitions. [2018-12-09 12:34:53,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 12:34:53,251 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:53,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:53,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:53,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 86 states and 132 transitions. [2018-12-09 12:34:53,285 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 132 transitions. [2018-12-09 12:34:53,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 12:34:53,285 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:53,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:53,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:53,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 92 states and 146 transitions. [2018-12-09 12:34:53,395 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 146 transitions. [2018-12-09 12:34:53,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 12:34:53,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:53,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:53,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:53,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 103 states and 170 transitions. [2018-12-09 12:34:53,703 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 170 transitions. [2018-12-09 12:34:53,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 12:34:53,705 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:53,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:53,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:53,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 106 states and 178 transitions. [2018-12-09 12:34:53,836 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 178 transitions. [2018-12-09 12:34:53,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 12:34:53,836 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:53,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:53,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:53,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 107 states and 179 transitions. [2018-12-09 12:34:53,873 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 179 transitions. [2018-12-09 12:34:53,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 12:34:53,874 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:53,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:53,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:53,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 108 states and 180 transitions. [2018-12-09 12:34:53,890 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 180 transitions. [2018-12-09 12:34:53,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 12:34:53,891 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:53,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:53,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:53,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 109 states and 181 transitions. [2018-12-09 12:34:53,911 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 181 transitions. [2018-12-09 12:34:53,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 12:34:53,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:53,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:53,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:53,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 110 states and 184 transitions. [2018-12-09 12:34:53,990 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 184 transitions. [2018-12-09 12:34:53,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 12:34:53,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:54,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:54,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:54,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 123 states and 211 transitions. [2018-12-09 12:34:54,394 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 211 transitions. [2018-12-09 12:34:54,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 12:34:54,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:54,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:54,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:54,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 124 states and 212 transitions. [2018-12-09 12:34:54,422 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 212 transitions. [2018-12-09 12:34:54,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 12:34:54,422 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:54,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:54,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:54,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 128 states and 218 transitions. [2018-12-09 12:34:54,457 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 218 transitions. [2018-12-09 12:34:54,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 12:34:54,458 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:54,499 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:34:54,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:54,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 135 states and 237 transitions. [2018-12-09 12:34:54,642 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 237 transitions. [2018-12-09 12:34:54,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 12:34:54,642 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:54,659 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:34:54,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:54,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 136 states and 238 transitions. [2018-12-09 12:34:54,667 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 238 transitions. [2018-12-09 12:34:54,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 12:34:54,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:54,679 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:34:54,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:54,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 139 states and 245 transitions. [2018-12-09 12:34:54,926 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 245 transitions. [2018-12-09 12:34:54,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 12:34:54,927 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:54,946 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:34:54,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:54,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 137 states and 241 transitions. [2018-12-09 12:34:54,964 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 241 transitions. [2018-12-09 12:34:54,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 12:34:54,965 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:55,160 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 12:34:55,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:55,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 140 states and 248 transitions. [2018-12-09 12:34:55,574 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 248 transitions. [2018-12-09 12:34:55,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 12:34:55,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:55,587 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 12:34:55,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:55,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 147 states and 260 transitions. [2018-12-09 12:34:55,704 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 260 transitions. [2018-12-09 12:34:55,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 12:34:55,705 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:55,724 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 12:34:55,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:55,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 149 states and 261 transitions. [2018-12-09 12:34:55,856 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 261 transitions. [2018-12-09 12:34:55,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 12:34:55,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:55,867 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:34:56,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:56,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 155 states and 275 transitions. [2018-12-09 12:34:56,202 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 275 transitions. [2018-12-09 12:34:56,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 12:34:56,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:56,216 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:34:56,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:56,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 156 states and 276 transitions. [2018-12-09 12:34:56,234 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 276 transitions. [2018-12-09 12:34:56,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 12:34:56,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:56,271 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:34:56,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:56,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 173 states and 318 transitions. [2018-12-09 12:34:56,988 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 318 transitions. [2018-12-09 12:34:56,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 12:34:56,989 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:57,002 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 12:34:57,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:57,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 174 states and 318 transitions. [2018-12-09 12:34:57,058 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 318 transitions. [2018-12-09 12:34:57,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 12:34:57,059 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:57,127 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 12:34:57,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:57,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 182 states and 339 transitions. [2018-12-09 12:34:57,825 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 339 transitions. [2018-12-09 12:34:57,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 12:34:57,826 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:57,862 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:34:57,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:57,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 187 states and 350 transitions. [2018-12-09 12:34:57,996 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 350 transitions. [2018-12-09 12:34:57,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 12:34:57,997 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:58,029 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:34:58,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:58,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 188 states and 351 transitions. [2018-12-09 12:34:58,042 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 351 transitions. [2018-12-09 12:34:58,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 12:34:58,043 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:58,055 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 12:34:58,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:58,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 190 states and 356 transitions. [2018-12-09 12:34:58,211 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 356 transitions. [2018-12-09 12:34:58,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 12:34:58,212 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:58,228 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 12:34:58,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:58,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 198 states and 377 transitions. [2018-12-09 12:34:58,386 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 377 transitions. [2018-12-09 12:34:58,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 12:34:58,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:58,398 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 12:34:58,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:58,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 199 states and 378 transitions. [2018-12-09 12:34:58,406 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 378 transitions. [2018-12-09 12:34:58,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 12:34:58,406 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:58,468 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 12:34:59,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:59,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 215 states and 414 transitions. [2018-12-09 12:34:59,515 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 414 transitions. [2018-12-09 12:34:59,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 12:34:59,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:59,573 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 12:34:59,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:59,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 217 states and 415 transitions. [2018-12-09 12:34:59,736 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 415 transitions. [2018-12-09 12:34:59,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 12:34:59,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:59,773 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:35:00,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:00,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 227 states and 433 transitions. [2018-12-09 12:35:00,557 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 433 transitions. [2018-12-09 12:35:00,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 12:35:00,558 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:00,616 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 12:35:01,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:01,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 239 states and 459 transitions. [2018-12-09 12:35:01,752 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 459 transitions. [2018-12-09 12:35:01,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 12:35:01,752 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:01,802 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 12:35:01,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:01,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 241 states and 461 transitions. [2018-12-09 12:35:01,999 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 461 transitions. [2018-12-09 12:35:02,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 12:35:02,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:02,011 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 12:35:02,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:02,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 242 states and 462 transitions. [2018-12-09 12:35:02,180 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 462 transitions. [2018-12-09 12:35:02,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 12:35:02,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:02,241 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 12:35:02,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:02,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 243 states and 462 transitions. [2018-12-09 12:35:02,247 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 462 transitions. [2018-12-09 12:35:02,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 12:35:02,247 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:02,260 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:35:02,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:02,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 244 states and 463 transitions. [2018-12-09 12:35:02,438 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 463 transitions. [2018-12-09 12:35:02,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 12:35:02,438 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:02,487 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 12:35:02,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:02,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 245 states and 464 transitions. [2018-12-09 12:35:02,495 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 464 transitions. [2018-12-09 12:35:02,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 12:35:02,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:02,556 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 12:35:02,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:02,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 246 states and 465 transitions. [2018-12-09 12:35:02,565 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 465 transitions. [2018-12-09 12:35:02,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 12:35:02,565 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:02,636 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 12:35:02,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:02,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 249 states and 469 transitions. [2018-12-09 12:35:02,716 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 469 transitions. [2018-12-09 12:35:02,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 12:35:02,716 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:02,726 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 12:35:02,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:02,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 254 states and 478 transitions. [2018-12-09 12:35:02,829 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 478 transitions. [2018-12-09 12:35:02,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 12:35:02,830 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:02,845 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 12:35:02,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:02,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 255 states and 479 transitions. [2018-12-09 12:35:02,866 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 479 transitions. [2018-12-09 12:35:02,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 12:35:02,867 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:02,878 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 12:35:04,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:04,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 265 states and 501 transitions. [2018-12-09 12:35:04,146 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 501 transitions. [2018-12-09 12:35:04,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 12:35:04,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:04,158 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 12:35:04,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:04,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 270 states and 508 transitions. [2018-12-09 12:35:04,339 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 508 transitions. [2018-12-09 12:35:04,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 12:35:04,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:04,349 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 12:35:04,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:04,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 271 states and 509 transitions. [2018-12-09 12:35:04,364 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 509 transitions. [2018-12-09 12:35:04,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 12:35:04,365 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:04,374 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 12:35:04,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:04,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 275 states and 516 transitions. [2018-12-09 12:35:04,473 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 516 transitions. [2018-12-09 12:35:04,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 12:35:04,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:04,487 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 12:35:04,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:04,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 276 states and 516 transitions. [2018-12-09 12:35:04,508 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 516 transitions. [2018-12-09 12:35:04,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 12:35:04,509 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:04,523 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 12:35:04,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:04,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 281 states and 526 transitions. [2018-12-09 12:35:04,727 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 526 transitions. [2018-12-09 12:35:04,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 12:35:04,727 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:04,761 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:35:04,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:04,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 282 states and 527 transitions. [2018-12-09 12:35:04,967 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 527 transitions. [2018-12-09 12:35:04,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 12:35:04,967 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:04,985 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 12:35:05,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:05,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 280 states and 523 transitions. [2018-12-09 12:35:05,001 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 523 transitions. [2018-12-09 12:35:05,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 12:35:05,001 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:05,012 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 12:35:05,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:05,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 281 states and 526 transitions. [2018-12-09 12:35:05,213 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 526 transitions. [2018-12-09 12:35:05,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 12:35:05,214 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:05,223 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 12:35:05,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:05,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 282 states and 527 transitions. [2018-12-09 12:35:05,421 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 527 transitions. [2018-12-09 12:35:05,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 12:35:05,422 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:05,432 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 12:35:05,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:05,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 284 states and 530 transitions. [2018-12-09 12:35:05,449 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 530 transitions. [2018-12-09 12:35:05,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 12:35:05,450 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:05,460 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 12:35:05,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:05,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 286 states and 532 transitions. [2018-12-09 12:35:05,481 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 532 transitions. [2018-12-09 12:35:05,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 12:35:05,482 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:05,492 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 12:35:05,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:05,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 287 states and 535 transitions. [2018-12-09 12:35:05,507 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 535 transitions. [2018-12-09 12:35:05,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 12:35:05,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:05,623 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:35:05,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:05,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 288 states and 537 transitions. [2018-12-09 12:35:05,641 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 537 transitions. [2018-12-09 12:35:05,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 12:35:05,642 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:05,655 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 12:35:05,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:05,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 292 states and 544 transitions. [2018-12-09 12:35:05,677 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 544 transitions. [2018-12-09 12:35:05,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 12:35:05,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:05,797 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:35:05,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:05,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 293 states and 544 transitions. [2018-12-09 12:35:05,808 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 544 transitions. [2018-12-09 12:35:05,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 12:35:05,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:05,819 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 12:35:05,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:05,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 294 states and 544 transitions. [2018-12-09 12:35:05,834 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 544 transitions. [2018-12-09 12:35:05,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 12:35:05,835 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:05,845 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 12:35:05,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:05,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 295 states and 545 transitions. [2018-12-09 12:35:05,864 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 545 transitions. [2018-12-09 12:35:05,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 12:35:05,865 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:05,874 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 12:35:05,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:05,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 297 states and 548 transitions. [2018-12-09 12:35:05,902 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 548 transitions. [2018-12-09 12:35:05,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 12:35:05,902 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:05,912 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 12:35:05,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:05,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 291 states and 535 transitions. [2018-12-09 12:35:05,926 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 535 transitions. [2018-12-09 12:35:05,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 12:35:05,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:05,936 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 12:35:05,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:05,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 282 states and 518 transitions. [2018-12-09 12:35:05,951 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 518 transitions. [2018-12-09 12:35:05,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 12:35:05,952 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:06,131 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 12:35:06,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:06,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 284 states and 519 transitions. [2018-12-09 12:35:06,405 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 519 transitions. [2018-12-09 12:35:06,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 12:35:06,406 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:06,416 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 12:35:06,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:06,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 286 states and 520 transitions. [2018-12-09 12:35:06,626 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 520 transitions. [2018-12-09 12:35:06,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 12:35:06,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:06,636 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 12:35:06,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:06,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 287 states and 521 transitions. [2018-12-09 12:35:06,656 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 521 transitions. [2018-12-09 12:35:06,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 12:35:06,656 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:06,667 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 12:35:06,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:06,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 279 states and 504 transitions. [2018-12-09 12:35:06,690 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 504 transitions. [2018-12-09 12:35:06,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 12:35:06,691 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:06,702 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 12:35:06,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:06,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 266 states and 481 transitions. [2018-12-09 12:35:06,717 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 481 transitions. [2018-12-09 12:35:06,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-09 12:35:06,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:06,904 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:35:07,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:07,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 277 states and 509 transitions. [2018-12-09 12:35:07,869 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 509 transitions. [2018-12-09 12:35:07,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 12:35:07,870 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:07,988 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 35 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:35:07,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:07,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 278 states and 510 transitions. [2018-12-09 12:35:07,999 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 510 transitions. [2018-12-09 12:35:07,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 12:35:07,999 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:08,009 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 12:35:08,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:08,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 280 states and 511 transitions. [2018-12-09 12:35:08,218 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 511 transitions. [2018-12-09 12:35:08,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 12:35:08,218 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:08,318 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:35:08,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:08,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 281 states and 512 transitions. [2018-12-09 12:35:08,361 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 512 transitions. [2018-12-09 12:35:08,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 12:35:08,362 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:08,398 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 31 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 12:35:08,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:08,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 283 states and 513 transitions. [2018-12-09 12:35:08,604 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 513 transitions. [2018-12-09 12:35:08,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 12:35:08,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:08,618 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-09 12:35:09,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:09,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 150 states and 220 transitions. [2018-12-09 12:35:09,435 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 220 transitions. [2018-12-09 12:35:09,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 12:35:09,435 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 80 iterations. [2018-12-09 12:35:09,441 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 12:35:09,658 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-09 12:35:09,663 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 12:35:09,663 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 12:35:09,663 INFO L583 CodeCheckObserver]: Invariant with dag size 7 [2018-12-09 12:35:09,663 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 12:35:09,663 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 12:35:09,663 INFO L583 CodeCheckObserver]: Invariant with dag size 19 [2018-12-09 12:35:09,664 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 12:35:09,664 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 12:35:09,664 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 12:35:09,664 INFO L583 CodeCheckObserver]: Invariant with dag size 14 [2018-12-09 12:35:09,665 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 12:35:09,665 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 12:35:09,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 12:35:09 ImpRootNode [2018-12-09 12:35:09,665 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 12:35:09,665 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:35:09,665 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:35:09,665 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:35:09,666 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:34:52" (3/4) ... [2018-12-09 12:35:09,668 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 12:35:09,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 12:35:09,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 12:35:09,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 12:35:09,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 12:35:09,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 12:35:09,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 12:35:09,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 12:35:09,675 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2018-12-09 12:35:09,675 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 12:35:09,676 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 12:35:09,676 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 12:35:09,676 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 12:35:09,676 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 12:35:09,693 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == pumpRunning) && !(systemActive == 0)) || ((!(systemActive == 1) && 0 == methaneLevelCritical) && !(systemActive == 0))) || pumpRunning == \old(pumpRunning)) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-12-09 12:35:09,693 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(systemActive == 0)) || !(0 == pumpRunning)) || (0 == methaneLevelCritical && !(systemActive == 0)) [2018-12-09 12:35:09,712 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1fa5b0fe-7040-4a18-bff0-1e5b6f86ea2f/bin-2019/ukojak/witness.graphml [2018-12-09 12:35:09,712 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:35:09,713 INFO L168 Benchmark]: Toolchain (without parser) took 17934.39 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 558.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 397.5 MB. Max. memory is 11.5 GB. [2018-12-09 12:35:09,713 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. [2018-12-09 12:35:09,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -158.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 12:35:09,714 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:35:09,714 INFO L168 Benchmark]: Boogie Preprocessor took 17.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:35:09,714 INFO L168 Benchmark]: RCFGBuilder took 446.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.7 MB). Peak memory consumption was 69.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:35:09,714 INFO L168 Benchmark]: CodeCheck took 17115.51 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 432.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -87.9 MB). Peak memory consumption was 344.1 MB. Max. memory is 11.5 GB. [2018-12-09 12:35:09,714 INFO L168 Benchmark]: Witness Printer took 47.12 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-12-09 12:35:09,715 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 74 locations, 1 error locations. SAFE Result, 16.8s OverallTime, 80 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -2078269152 SDtfs, 1572216134 SDslu, 1660904708 SDs, 0 SdLazy, -1406284438 SolverSat, 1297309412 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 42.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41692 GetRequests, 40808 SyntacticMatches, 498 SemanticMatches, 386 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83658 ImplicationChecksByTransitivity, 13.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 3877 NumberOfCodeBlocks, 3877 NumberOfCodeBlocksAsserted, 79 NumberOfCheckSat, 3798 ConstructedInterpolants, 0 QuantifiedInterpolants, 429980 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 79 InterpolantComputations, 55 PerfectInterpolantSequences, 1631/1815 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: 940]: 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: 632]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(0 == tmp) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (((!(0 == pumpRunning) && !(systemActive == 0)) || ((!(systemActive == 1) && 0 == methaneLevelCritical) && !(systemActive == 0))) || pumpRunning == \old(pumpRunning)) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(systemActive == 0)) || !(0 == pumpRunning)) || (0 == methaneLevelCritical && !(systemActive == 0)) - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 545]: 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 275.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -158.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 446.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.7 MB). Peak memory consumption was 69.7 MB. Max. memory is 11.5 GB. * CodeCheck took 17115.51 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 432.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -87.9 MB). Peak memory consumption was 344.1 MB. Max. memory is 11.5 GB. * Witness Printer took 47.12 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...