./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label37_true-unreach-call_false-termination.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_3d254c5a-a736-4ae1-9fc1-8731248cadeb/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3d254c5a-a736-4ae1-9fc1-8731248cadeb/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3d254c5a-a736-4ae1-9fc1-8731248cadeb/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3d254c5a-a736-4ae1-9fc1-8731248cadeb/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label37_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3d254c5a-a736-4ae1-9fc1-8731248cadeb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3d254c5a-a736-4ae1-9fc1-8731248cadeb/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 a2597194a43836f4c4ad9c950ead0db96723770b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:40:56,239 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:40:56,240 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:40:56,245 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:40:56,246 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:40:56,246 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:40:56,247 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:40:56,247 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:40:56,248 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:40:56,248 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:40:56,249 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:40:56,249 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:40:56,249 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:40:56,250 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:40:56,250 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:40:56,251 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:40:56,251 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:40:56,252 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:40:56,253 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:40:56,253 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:40:56,254 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:40:56,254 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:40:56,255 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:40:56,256 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:40:56,256 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:40:56,256 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:40:56,257 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:40:56,257 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:40:56,257 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:40:56,258 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:40:56,258 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:40:56,258 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:40:56,258 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:40:56,259 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:40:56,259 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:40:56,259 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:40:56,259 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3d254c5a-a736-4ae1-9fc1-8731248cadeb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 16:40:56,266 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:40:56,266 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:40:56,267 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:40:56,267 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 16:40:56,267 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 16:40:56,267 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 16:40:56,268 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:40:56,268 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:40:56,268 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:40:56,268 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:40:56,268 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:40:56,268 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:40:56,268 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:40:56,268 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:40:56,268 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:40:56,268 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:40:56,268 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:40:56,269 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:40:56,269 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 16:40:56,269 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 16:40:56,269 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:40:56,269 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:40:56,269 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 16:40:56,269 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:40:56,269 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:40:56,269 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:40:56,269 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 16:40:56,269 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:40:56,270 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:40:56,270 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_3d254c5a-a736-4ae1-9fc1-8731248cadeb/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 -> a2597194a43836f4c4ad9c950ead0db96723770b [2018-12-08 16:40:56,288 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:40:56,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:40:56,298 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:40:56,299 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:40:56,299 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:40:56,300 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3d254c5a-a736-4ae1-9fc1-8731248cadeb/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label37_true-unreach-call_false-termination.c [2018-12-08 16:40:56,336 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3d254c5a-a736-4ae1-9fc1-8731248cadeb/bin-2019/ukojak/data/9c86a6f5c/95651fe8a3404bcfaf26ad765747799b/FLAG9e8e9888b [2018-12-08 16:40:56,688 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:40:56,688 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3d254c5a-a736-4ae1-9fc1-8731248cadeb/sv-benchmarks/c/eca-rers2012/Problem02_label37_true-unreach-call_false-termination.c [2018-12-08 16:40:56,695 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3d254c5a-a736-4ae1-9fc1-8731248cadeb/bin-2019/ukojak/data/9c86a6f5c/95651fe8a3404bcfaf26ad765747799b/FLAG9e8e9888b [2018-12-08 16:40:57,072 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3d254c5a-a736-4ae1-9fc1-8731248cadeb/bin-2019/ukojak/data/9c86a6f5c/95651fe8a3404bcfaf26ad765747799b [2018-12-08 16:40:57,074 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:40:57,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:40:57,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:40:57,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:40:57,077 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:40:57,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:40:57" (1/1) ... [2018-12-08 16:40:57,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec9f2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:40:57, skipping insertion in model container [2018-12-08 16:40:57,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:40:57" (1/1) ... [2018-12-08 16:40:57,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:40:57,114 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:40:57,305 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:40:57,308 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:40:57,356 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:40:57,415 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:40:57,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:40:57 WrapperNode [2018-12-08 16:40:57,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:40:57,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:40:57,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:40:57,416 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:40:57,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:40:57" (1/1) ... [2018-12-08 16:40:57,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:40:57" (1/1) ... [2018-12-08 16:40:57,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:40:57,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:40:57,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:40:57,456 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:40:57,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:40:57" (1/1) ... [2018-12-08 16:40:57,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:40:57" (1/1) ... [2018-12-08 16:40:57,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:40:57" (1/1) ... [2018-12-08 16:40:57,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:40:57" (1/1) ... [2018-12-08 16:40:57,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:40:57" (1/1) ... [2018-12-08 16:40:57,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:40:57" (1/1) ... [2018-12-08 16:40:57,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:40:57" (1/1) ... [2018-12-08 16:40:57,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:40:57,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:40:57,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:40:57,495 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:40:57,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:40:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3d254c5a-a736-4ae1-9fc1-8731248cadeb/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 [2018-12-08 16:40:57,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:40:57,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:40:58,536 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:40:58,536 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 16:40:58,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:40:58 BoogieIcfgContainer [2018-12-08 16:40:58,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:40:58,537 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 16:40:58,537 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 16:40:58,544 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 16:40:58,545 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:40:58" (1/1) ... [2018-12-08 16:40:58,552 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:40:58,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:40:58,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-08 16:40:58,575 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-08 16:40:58,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-08 16:40:58,578 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:40:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:40:58,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:40:59,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:40:59,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 163 states and 251 transitions. [2018-12-08 16:40:59,068 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 251 transitions. [2018-12-08 16:40:59,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-08 16:40:59,069 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:40:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:40:59,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:40:59,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:40:59,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 241 states and 337 transitions. [2018-12-08 16:40:59,515 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 337 transitions. [2018-12-08 16:40:59,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 16:40:59,517 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:40:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:40:59,586 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:41:00,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:00,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 328 states and 430 transitions. [2018-12-08 16:41:00,053 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 430 transitions. [2018-12-08 16:41:00,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-08 16:41:00,054 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:00,098 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:41:00,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:00,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 338 states and 444 transitions. [2018-12-08 16:41:00,262 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 444 transitions. [2018-12-08 16:41:00,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-08 16:41:00,263 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:00,279 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:41:00,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:00,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 342 states and 451 transitions. [2018-12-08 16:41:00,411 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 451 transitions. [2018-12-08 16:41:00,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 16:41:00,413 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:00,442 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 16:41:00,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:00,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 351 states and 464 transitions. [2018-12-08 16:41:00,645 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 464 transitions. [2018-12-08 16:41:00,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 16:41:00,646 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:00,678 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:41:00,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:00,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 363 states and 477 transitions. [2018-12-08 16:41:00,769 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 477 transitions. [2018-12-08 16:41:00,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 16:41:00,770 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:00,809 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 16:41:01,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:01,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 367 states and 484 transitions. [2018-12-08 16:41:01,013 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 484 transitions. [2018-12-08 16:41:01,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 16:41:01,014 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:01,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:01,035 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 16:41:01,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:01,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 389 states and 510 transitions. [2018-12-08 16:41:01,224 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 510 transitions. [2018-12-08 16:41:01,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 16:41:01,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:01,238 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 16:41:01,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:01,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 396 states and 521 transitions. [2018-12-08 16:41:01,446 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 521 transitions. [2018-12-08 16:41:01,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-08 16:41:01,446 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:01,460 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 16:41:01,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:01,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 399 states and 524 transitions. [2018-12-08 16:41:01,475 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 524 transitions. [2018-12-08 16:41:01,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 16:41:01,476 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:01,501 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 16:41:01,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:01,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 403 states and 528 transitions. [2018-12-08 16:41:01,531 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 528 transitions. [2018-12-08 16:41:01,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 16:41:01,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:01,547 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:41:01,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:01,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 409 states and 534 transitions. [2018-12-08 16:41:01,586 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 534 transitions. [2018-12-08 16:41:01,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-08 16:41:01,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:01,601 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 16:41:01,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:01,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 417 states and 542 transitions. [2018-12-08 16:41:01,651 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 542 transitions. [2018-12-08 16:41:01,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-08 16:41:01,652 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:01,666 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 16:41:01,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:01,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 436 states and 565 transitions. [2018-12-08 16:41:01,856 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 565 transitions. [2018-12-08 16:41:01,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-08 16:41:01,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:01,898 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:41:02,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:02,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 463 states and 597 transitions. [2018-12-08 16:41:02,119 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 597 transitions. [2018-12-08 16:41:02,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-08 16:41:02,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:02,139 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 16:41:02,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:02,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 469 states and 603 transitions. [2018-12-08 16:41:02,159 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 603 transitions. [2018-12-08 16:41:02,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-08 16:41:02,160 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:02,257 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 16:41:02,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:02,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 507 states and 647 transitions. [2018-12-08 16:41:02,746 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 647 transitions. [2018-12-08 16:41:02,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-08 16:41:02,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:02,766 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 16:41:02,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:02,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 522 states and 664 transitions. [2018-12-08 16:41:02,948 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 664 transitions. [2018-12-08 16:41:02,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-08 16:41:02,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:02,966 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 16:41:03,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:03,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 528 states and 670 transitions. [2018-12-08 16:41:03,005 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 670 transitions. [2018-12-08 16:41:03,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-08 16:41:03,005 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:03,085 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 44 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 16:41:03,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:03,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 551 states and 698 transitions. [2018-12-08 16:41:03,386 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 698 transitions. [2018-12-08 16:41:03,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-08 16:41:03,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:03,414 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:41:03,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:03,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 573 states and 724 transitions. [2018-12-08 16:41:03,611 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 724 transitions. [2018-12-08 16:41:03,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-08 16:41:03,612 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:03,630 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 16:41:03,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:03,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 592 states and 744 transitions. [2018-12-08 16:41:03,764 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 744 transitions. [2018-12-08 16:41:03,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-08 16:41:03,765 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:03,784 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 16:41:03,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:03,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 595 states and 749 transitions. [2018-12-08 16:41:03,985 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 749 transitions. [2018-12-08 16:41:03,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-08 16:41:03,986 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:04,003 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 16:41:04,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:04,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 598 states and 752 transitions. [2018-12-08 16:41:04,094 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 752 transitions. [2018-12-08 16:41:04,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-08 16:41:04,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:04,119 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 16:41:04,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:04,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 601 states and 756 transitions. [2018-12-08 16:41:04,249 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 756 transitions. [2018-12-08 16:41:04,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-08 16:41:04,249 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:04,269 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:41:04,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:04,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 634 states and 791 transitions. [2018-12-08 16:41:04,413 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 791 transitions. [2018-12-08 16:41:04,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-08 16:41:04,414 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:04,445 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:41:04,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:04,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 638 states and 796 transitions. [2018-12-08 16:41:04,477 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 796 transitions. [2018-12-08 16:41:04,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 16:41:04,478 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:04,512 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:41:04,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:04,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 667 states and 826 transitions. [2018-12-08 16:41:04,791 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 826 transitions. [2018-12-08 16:41:04,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-08 16:41:04,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:04,811 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 16:41:05,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:05,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 678 states and 839 transitions. [2018-12-08 16:41:05,033 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 839 transitions. [2018-12-08 16:41:05,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-08 16:41:05,033 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:05,050 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:41:05,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:05,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 705 states and 868 transitions. [2018-12-08 16:41:05,264 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 868 transitions. [2018-12-08 16:41:05,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 16:41:05,265 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:05,347 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 16:41:05,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:05,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 721 states and 887 transitions. [2018-12-08 16:41:05,573 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 887 transitions. [2018-12-08 16:41:05,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-08 16:41:05,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:05,595 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:41:05,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:05,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 725 states and 896 transitions. [2018-12-08 16:41:05,835 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 896 transitions. [2018-12-08 16:41:05,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-08 16:41:05,835 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:05,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:06,057 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 16:41:07,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:07,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 765 states and 947 transitions. [2018-12-08 16:41:07,489 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 947 transitions. [2018-12-08 16:41:07,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-08 16:41:07,490 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:07,588 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:41:07,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:07,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 781 states and 964 transitions. [2018-12-08 16:41:07,826 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 964 transitions. [2018-12-08 16:41:07,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-08 16:41:07,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:07,846 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:41:07,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:07,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 782 states and 966 transitions. [2018-12-08 16:41:07,984 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 966 transitions. [2018-12-08 16:41:07,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-08 16:41:07,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:08,031 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 16:41:08,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:08,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 791 states and 976 transitions. [2018-12-08 16:41:08,117 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 976 transitions. [2018-12-08 16:41:08,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 16:41:08,118 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:08,187 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 16:41:08,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:08,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 810 states and 999 transitions. [2018-12-08 16:41:08,528 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 999 transitions. [2018-12-08 16:41:08,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 16:41:08,529 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:08,776 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:41:11,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:11,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 876 states and 1077 transitions. [2018-12-08 16:41:11,759 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1077 transitions. [2018-12-08 16:41:11,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 16:41:11,760 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:11,792 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 16:41:11,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:11,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 877 states and 1078 transitions. [2018-12-08 16:41:11,894 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1078 transitions. [2018-12-08 16:41:11,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 16:41:11,894 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:11,915 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:41:12,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:12,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 896 states and 1097 transitions. [2018-12-08 16:41:12,098 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1097 transitions. [2018-12-08 16:41:12,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 16:41:12,099 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:12,118 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:41:12,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:12,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 908 states and 1108 transitions. [2018-12-08 16:41:12,267 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1108 transitions. [2018-12-08 16:41:12,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 16:41:12,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:12,287 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 16:41:12,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:12,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 909 states and 1109 transitions. [2018-12-08 16:41:12,397 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1109 transitions. [2018-12-08 16:41:12,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 16:41:12,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:12,599 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:41:13,147 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2018-12-08 16:41:13,963 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2018-12-08 16:41:14,211 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2018-12-08 16:41:16,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:16,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 972 states and 1178 transitions. [2018-12-08 16:41:16,231 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1178 transitions. [2018-12-08 16:41:16,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 16:41:16,232 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:16,251 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 16:41:16,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:16,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 974 states and 1180 transitions. [2018-12-08 16:41:16,399 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1180 transitions. [2018-12-08 16:41:16,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 16:41:16,400 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:16,416 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 16:41:16,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:16,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 993 states and 1201 transitions. [2018-12-08 16:41:16,625 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1201 transitions. [2018-12-08 16:41:16,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 16:41:16,625 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:16,798 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:41:17,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:17,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 1022 states and 1233 transitions. [2018-12-08 16:41:17,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1233 transitions. [2018-12-08 16:41:17,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 16:41:17,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:17,507 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:41:17,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:17,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1038 states and 1250 transitions. [2018-12-08 16:41:17,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1250 transitions. [2018-12-08 16:41:17,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 16:41:17,917 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:17,962 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 96 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-12-08 16:41:18,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:18,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1046 states and 1257 transitions. [2018-12-08 16:41:18,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1257 transitions. [2018-12-08 16:41:18,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-08 16:41:18,064 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:18,129 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:41:22,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:22,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 1085 states and 1302 transitions. [2018-12-08 16:41:22,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1302 transitions. [2018-12-08 16:41:22,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-08 16:41:22,995 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:23,059 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 16:41:23,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:23,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1095 states and 1312 transitions. [2018-12-08 16:41:23,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1312 transitions. [2018-12-08 16:41:23,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 16:41:23,319 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:23,527 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:41:25,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:25,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1147 states and 1372 transitions. [2018-12-08 16:41:25,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1372 transitions. [2018-12-08 16:41:25,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 16:41:25,426 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:25,529 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:41:25,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:25,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1163 states and 1389 transitions. [2018-12-08 16:41:25,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1389 transitions. [2018-12-08 16:41:25,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-08 16:41:25,812 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:25,837 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:41:26,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:26,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1179 states and 1408 transitions. [2018-12-08 16:41:26,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1408 transitions. [2018-12-08 16:41:26,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-08 16:41:26,250 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:26,290 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:41:26,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:26,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1186 states and 1419 transitions. [2018-12-08 16:41:26,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1419 transitions. [2018-12-08 16:41:26,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-08 16:41:26,327 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:26,344 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 16:41:26,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:26,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1189 states and 1422 transitions. [2018-12-08 16:41:26,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1422 transitions. [2018-12-08 16:41:26,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 16:41:26,367 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:26,387 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:41:27,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:27,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1228 states and 1467 transitions. [2018-12-08 16:41:27,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1467 transitions. [2018-12-08 16:41:27,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 16:41:27,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:27,574 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-08 16:41:27,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:27,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1231 states and 1475 transitions. [2018-12-08 16:41:27,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1475 transitions. [2018-12-08 16:41:27,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-08 16:41:27,646 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:27,693 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 16:41:30,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:30,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1269 states and 1521 transitions. [2018-12-08 16:41:30,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1521 transitions. [2018-12-08 16:41:30,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-08 16:41:30,553 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:30,574 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:41:30,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:30,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 1272 states and 1524 transitions. [2018-12-08 16:41:30,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1524 transitions. [2018-12-08 16:41:30,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-08 16:41:30,808 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:31,211 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 16:41:32,146 WARN L180 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2018-12-08 16:41:33,431 WARN L180 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2018-12-08 16:41:35,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:35,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1308 states and 1559 transitions. [2018-12-08 16:41:35,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1559 transitions. [2018-12-08 16:41:35,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-08 16:41:35,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:35,073 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 84 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:41:35,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:35,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1341 states and 1595 transitions. [2018-12-08 16:41:35,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1595 transitions. [2018-12-08 16:41:35,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-08 16:41:35,940 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:35,995 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 84 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:41:36,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:36,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1371 states and 1628 transitions. [2018-12-08 16:41:36,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1628 transitions. [2018-12-08 16:41:36,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-08 16:41:36,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:36,789 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 16:41:36,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:36,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1644 states to 1385 states and 1644 transitions. [2018-12-08 16:41:36,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1644 transitions. [2018-12-08 16:41:36,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-08 16:41:36,860 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:36,933 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 16:41:36,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:36,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1407 states and 1666 transitions. [2018-12-08 16:41:36,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 1666 transitions. [2018-12-08 16:41:37,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-08 16:41:37,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:37,020 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 16:41:37,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:37,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1416 states and 1675 transitions. [2018-12-08 16:41:37,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1675 transitions. [2018-12-08 16:41:37,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-08 16:41:37,065 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:37,149 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 16:41:38,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:38,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1432 states and 1695 transitions. [2018-12-08 16:41:38,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 1695 transitions. [2018-12-08 16:41:38,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-08 16:41:38,096 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:38,510 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:41:39,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:39,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1442 states and 1705 transitions. [2018-12-08 16:41:39,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1705 transitions. [2018-12-08 16:41:39,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-08 16:41:39,260 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:39,347 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:41:40,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:40,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 1503 states and 1765 transitions. [2018-12-08 16:41:40,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1765 transitions. [2018-12-08 16:41:40,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-08 16:41:40,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:40,260 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 89 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 16:41:40,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:40,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1531 states and 1793 transitions. [2018-12-08 16:41:40,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 1793 transitions. [2018-12-08 16:41:40,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-08 16:41:40,477 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:40,518 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:41:40,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:40,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1812 states to 1547 states and 1812 transitions. [2018-12-08 16:41:40,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 1812 transitions. [2018-12-08 16:41:40,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-08 16:41:40,800 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:40,865 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:41:42,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:42,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 1597 states and 1872 transitions. [2018-12-08 16:41:42,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 1872 transitions. [2018-12-08 16:41:42,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-08 16:41:42,052 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:42,145 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:41:42,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:42,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1899 states to 1625 states and 1899 transitions. [2018-12-08 16:41:42,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1625 states and 1899 transitions. [2018-12-08 16:41:42,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-08 16:41:42,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:42,672 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 16:41:42,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:42,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1921 states to 1641 states and 1921 transitions. [2018-12-08 16:41:42,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 1921 transitions. [2018-12-08 16:41:42,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-08 16:41:42,961 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:42,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:42,985 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:41:44,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:44,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 1658 states and 1943 transitions. [2018-12-08 16:41:44,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 1943 transitions. [2018-12-08 16:41:44,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-08 16:41:44,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:44,575 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:41:45,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:45,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1980 states to 1689 states and 1980 transitions. [2018-12-08 16:41:45,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 1980 transitions. [2018-12-08 16:41:45,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-08 16:41:45,811 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:45,834 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:41:46,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:46,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 1705 states and 2001 transitions. [2018-12-08 16:41:46,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 2001 transitions. [2018-12-08 16:41:46,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-08 16:41:46,136 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:46,159 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:41:46,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:46,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2021 states to 1724 states and 2021 transitions. [2018-12-08 16:41:46,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2021 transitions. [2018-12-08 16:41:46,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-08 16:41:46,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:46,740 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:41:47,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:47,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 1740 states and 2038 transitions. [2018-12-08 16:41:47,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2038 transitions. [2018-12-08 16:41:47,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-08 16:41:47,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:47,225 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:41:48,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:48,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 1796 states and 2101 transitions. [2018-12-08 16:41:48,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 2101 transitions. [2018-12-08 16:41:48,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-08 16:41:48,282 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:48,332 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:41:48,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:48,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2116 states to 1810 states and 2116 transitions. [2018-12-08 16:41:48,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 2116 transitions. [2018-12-08 16:41:48,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 16:41:48,780 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:48,817 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 16:41:49,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:49,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 1870 states and 2183 transitions. [2018-12-08 16:41:49,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2183 transitions. [2018-12-08 16:41:49,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-08 16:41:49,847 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:49,872 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:41:50,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:50,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 1906 states and 2224 transitions. [2018-12-08 16:41:50,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1906 states and 2224 transitions. [2018-12-08 16:41:50,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-08 16:41:50,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:50,553 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 105 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 16:41:51,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:51,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 1936 states and 2254 transitions. [2018-12-08 16:41:51,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2254 transitions. [2018-12-08 16:41:51,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-08 16:41:51,304 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:51,375 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 105 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 16:41:51,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:51,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 1950 states and 2269 transitions. [2018-12-08 16:41:51,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 2269 transitions. [2018-12-08 16:41:51,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-08 16:41:51,800 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:51,853 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 105 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 16:41:52,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:52,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2283 states to 1964 states and 2283 transitions. [2018-12-08 16:41:52,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1964 states and 2283 transitions. [2018-12-08 16:41:52,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-08 16:41:52,120 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:52,176 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 16 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-08 16:41:52,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:52,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 1981 states and 2307 transitions. [2018-12-08 16:41:52,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1981 states and 2307 transitions. [2018-12-08 16:41:52,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-08 16:41:52,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:52,712 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 120 proven. 25 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 16:41:54,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:54,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 2014 states and 2342 transitions. [2018-12-08 16:41:54,730 INFO L276 IsEmpty]: Start isEmpty. Operand 2014 states and 2342 transitions. [2018-12-08 16:41:54,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 16:41:54,731 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:55,360 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 16:41:56,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:41:56,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 2015 states and 2344 transitions. [2018-12-08 16:41:56,717 INFO L276 IsEmpty]: Start isEmpty. Operand 2015 states and 2344 transitions. [2018-12-08 16:41:56,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 16:41:56,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:41:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:41:56,808 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 16:41:57,083 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2018-12-08 16:42:00,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:00,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2354 states to 2025 states and 2354 transitions. [2018-12-08 16:42:00,119 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 2354 transitions. [2018-12-08 16:42:00,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-08 16:42:00,120 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:00,147 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-08 16:42:01,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:01,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 2039 states and 2370 transitions. [2018-12-08 16:42:01,005 INFO L276 IsEmpty]: Start isEmpty. Operand 2039 states and 2370 transitions. [2018-12-08 16:42:01,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-08 16:42:01,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:01,045 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-08 16:42:01,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:01,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2421 states to 2089 states and 2421 transitions. [2018-12-08 16:42:01,184 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2421 transitions. [2018-12-08 16:42:01,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-08 16:42:01,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:01,235 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-08 16:42:01,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:01,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2430 states to 2098 states and 2430 transitions. [2018-12-08 16:42:01,446 INFO L276 IsEmpty]: Start isEmpty. Operand 2098 states and 2430 transitions. [2018-12-08 16:42:01,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-08 16:42:01,447 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:01,597 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 16:42:02,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:02,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2448 states to 2114 states and 2448 transitions. [2018-12-08 16:42:02,226 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 2448 transitions. [2018-12-08 16:42:02,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-12-08 16:42:02,227 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:02,276 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-08 16:42:02,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:02,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 2120 states and 2458 transitions. [2018-12-08 16:42:02,770 INFO L276 IsEmpty]: Start isEmpty. Operand 2120 states and 2458 transitions. [2018-12-08 16:42:02,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-08 16:42:02,771 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:02,799 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 16:42:03,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:03,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2459 states to 2121 states and 2459 transitions. [2018-12-08 16:42:03,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 2459 transitions. [2018-12-08 16:42:03,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-08 16:42:03,064 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:03,115 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 161 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 16:42:05,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:05,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2160 states and 2507 transitions. [2018-12-08 16:42:05,215 INFO L276 IsEmpty]: Start isEmpty. Operand 2160 states and 2507 transitions. [2018-12-08 16:42:05,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-08 16:42:05,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:05,266 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 161 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 16:42:06,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:06,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 2174 states and 2521 transitions. [2018-12-08 16:42:06,507 INFO L276 IsEmpty]: Start isEmpty. Operand 2174 states and 2521 transitions. [2018-12-08 16:42:06,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-08 16:42:06,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:06,573 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 161 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 16:42:07,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:07,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2541 states to 2193 states and 2541 transitions. [2018-12-08 16:42:07,140 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 2541 transitions. [2018-12-08 16:42:07,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-08 16:42:07,141 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:07,194 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-08 16:42:07,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:07,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2552 states to 2202 states and 2552 transitions. [2018-12-08 16:42:07,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2202 states and 2552 transitions. [2018-12-08 16:42:07,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-08 16:42:07,535 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:07,634 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:42:10,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:10,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2588 states to 2234 states and 2588 transitions. [2018-12-08 16:42:10,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2234 states and 2588 transitions. [2018-12-08 16:42:10,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-08 16:42:10,352 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:10,464 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:42:10,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:10,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2625 states to 2270 states and 2625 transitions. [2018-12-08 16:42:10,827 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states and 2625 transitions. [2018-12-08 16:42:10,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-08 16:42:10,828 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:10,935 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:42:13,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:13,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 2287 states and 2644 transitions. [2018-12-08 16:42:13,507 INFO L276 IsEmpty]: Start isEmpty. Operand 2287 states and 2644 transitions. [2018-12-08 16:42:13,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-08 16:42:13,509 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:13,546 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 16:42:16,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:16,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 2326 states and 2693 transitions. [2018-12-08 16:42:16,377 INFO L276 IsEmpty]: Start isEmpty. Operand 2326 states and 2693 transitions. [2018-12-08 16:42:16,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-08 16:42:16,378 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:16,410 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 16:42:16,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:16,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2708 states to 2342 states and 2708 transitions. [2018-12-08 16:42:16,608 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states and 2708 transitions. [2018-12-08 16:42:16,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-08 16:42:16,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:16,657 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 184 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 16:42:16,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:16,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2346 states and 2712 transitions. [2018-12-08 16:42:16,903 INFO L276 IsEmpty]: Start isEmpty. Operand 2346 states and 2712 transitions. [2018-12-08 16:42:16,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-08 16:42:16,904 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:16,931 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:42:17,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:17,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 2362 states and 2728 transitions. [2018-12-08 16:42:17,234 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2728 transitions. [2018-12-08 16:42:17,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-08 16:42:17,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:17,315 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 123 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-08 16:42:17,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:17,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2377 states and 2746 transitions. [2018-12-08 16:42:17,662 INFO L276 IsEmpty]: Start isEmpty. Operand 2377 states and 2746 transitions. [2018-12-08 16:42:17,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-08 16:42:17,663 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:17,694 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 16:42:17,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:17,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2753 states to 2383 states and 2753 transitions. [2018-12-08 16:42:17,966 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states and 2753 transitions. [2018-12-08 16:42:17,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-12-08 16:42:17,968 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:18,007 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 149 proven. 13 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-08 16:42:18,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:18,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2760 states to 2389 states and 2760 transitions. [2018-12-08 16:42:18,324 INFO L276 IsEmpty]: Start isEmpty. Operand 2389 states and 2760 transitions. [2018-12-08 16:42:18,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 16:42:18,325 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:19,098 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 16:42:21,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:21,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2800 states to 2426 states and 2800 transitions. [2018-12-08 16:42:21,797 INFO L276 IsEmpty]: Start isEmpty. Operand 2426 states and 2800 transitions. [2018-12-08 16:42:21,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 16:42:21,798 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:21,890 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 16:42:22,943 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2018-12-08 16:42:24,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:24,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2438 states and 2813 transitions. [2018-12-08 16:42:24,473 INFO L276 IsEmpty]: Start isEmpty. Operand 2438 states and 2813 transitions. [2018-12-08 16:42:24,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-12-08 16:42:24,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:25,431 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 16:42:28,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:28,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2848 states to 2470 states and 2848 transitions. [2018-12-08 16:42:28,152 INFO L276 IsEmpty]: Start isEmpty. Operand 2470 states and 2848 transitions. [2018-12-08 16:42:28,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-12-08 16:42:28,153 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:28,261 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 16:42:30,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:30,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2885 states to 2506 states and 2885 transitions. [2018-12-08 16:42:30,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2506 states and 2885 transitions. [2018-12-08 16:42:30,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-12-08 16:42:30,996 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:31,136 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 16:42:31,621 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2018-12-08 16:42:35,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:35,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 2522 states and 2900 transitions. [2018-12-08 16:42:35,066 INFO L276 IsEmpty]: Start isEmpty. Operand 2522 states and 2900 transitions. [2018-12-08 16:42:35,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-08 16:42:35,067 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:35,187 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 149 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-08 16:42:35,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:35,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2541 states and 2920 transitions. [2018-12-08 16:42:35,963 INFO L276 IsEmpty]: Start isEmpty. Operand 2541 states and 2920 transitions. [2018-12-08 16:42:35,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-08 16:42:35,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:36,084 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 149 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-08 16:42:36,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:36,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2545 states and 2923 transitions. [2018-12-08 16:42:36,258 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 2923 transitions. [2018-12-08 16:42:36,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-08 16:42:36,259 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:36,324 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-08 16:42:37,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:37,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2976 states to 2590 states and 2976 transitions. [2018-12-08 16:42:37,346 INFO L276 IsEmpty]: Start isEmpty. Operand 2590 states and 2976 transitions. [2018-12-08 16:42:37,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-08 16:42:37,348 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:37,385 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-08 16:42:38,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:38,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2603 states and 2988 transitions. [2018-12-08 16:42:38,038 INFO L276 IsEmpty]: Start isEmpty. Operand 2603 states and 2988 transitions. [2018-12-08 16:42:38,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-08 16:42:38,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:38,078 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-08 16:42:38,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:38,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2991 states to 2605 states and 2991 transitions. [2018-12-08 16:42:38,427 INFO L276 IsEmpty]: Start isEmpty. Operand 2605 states and 2991 transitions. [2018-12-08 16:42:38,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-08 16:42:38,428 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:38,458 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-08 16:42:38,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:38,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2994 states to 2608 states and 2994 transitions. [2018-12-08 16:42:38,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2608 states and 2994 transitions. [2018-12-08 16:42:38,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-08 16:42:38,640 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:38,690 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-08 16:42:39,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:39,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2994 states to 2609 states and 2994 transitions. [2018-12-08 16:42:39,070 INFO L276 IsEmpty]: Start isEmpty. Operand 2609 states and 2994 transitions. [2018-12-08 16:42:39,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-08 16:42:39,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:39,121 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-08 16:42:39,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:39,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2994 states to 2610 states and 2994 transitions. [2018-12-08 16:42:39,336 INFO L276 IsEmpty]: Start isEmpty. Operand 2610 states and 2994 transitions. [2018-12-08 16:42:39,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-12-08 16:42:39,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:39,378 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 16:42:40,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:40,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 2626 states and 3013 transitions. [2018-12-08 16:42:40,050 INFO L276 IsEmpty]: Start isEmpty. Operand 2626 states and 3013 transitions. [2018-12-08 16:42:40,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-08 16:42:40,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:40,128 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 163 proven. 15 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-08 16:42:40,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:40,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3029 states to 2642 states and 3029 transitions. [2018-12-08 16:42:40,588 INFO L276 IsEmpty]: Start isEmpty. Operand 2642 states and 3029 transitions. [2018-12-08 16:42:40,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-08 16:42:40,589 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:40,667 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 163 proven. 15 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-08 16:42:41,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:41,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3043 states to 2656 states and 3043 transitions. [2018-12-08 16:42:41,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2656 states and 3043 transitions. [2018-12-08 16:42:41,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-08 16:42:41,572 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:41,642 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 163 proven. 15 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-08 16:42:43,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:43,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 2670 states and 3057 transitions. [2018-12-08 16:42:43,152 INFO L276 IsEmpty]: Start isEmpty. Operand 2670 states and 3057 transitions. [2018-12-08 16:42:43,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-08 16:42:43,154 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:43,361 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 189 proven. 26 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-08 16:42:46,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:46,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 2718 states and 3114 transitions. [2018-12-08 16:42:46,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3114 transitions. [2018-12-08 16:42:46,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-08 16:42:46,589 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:46,664 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 189 proven. 26 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-08 16:42:47,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:47,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3124 states to 2728 states and 3124 transitions. [2018-12-08 16:42:47,079 INFO L276 IsEmpty]: Start isEmpty. Operand 2728 states and 3124 transitions. [2018-12-08 16:42:47,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-12-08 16:42:47,080 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:47,119 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 16:42:53,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:53,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3176 states to 2766 states and 3176 transitions. [2018-12-08 16:42:53,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 3176 transitions. [2018-12-08 16:42:53,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-12-08 16:42:53,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:53,916 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 16:42:54,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:54,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3203 states to 2789 states and 3203 transitions. [2018-12-08 16:42:54,322 INFO L276 IsEmpty]: Start isEmpty. Operand 2789 states and 3203 transitions. [2018-12-08 16:42:54,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-12-08 16:42:54,323 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:54,386 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 168 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 16:42:54,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:54,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3214 states to 2800 states and 3214 transitions. [2018-12-08 16:42:54,568 INFO L276 IsEmpty]: Start isEmpty. Operand 2800 states and 3214 transitions. [2018-12-08 16:42:54,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-12-08 16:42:54,570 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:54,637 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 16:42:57,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:57,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 2822 states and 3244 transitions. [2018-12-08 16:42:57,171 INFO L276 IsEmpty]: Start isEmpty. Operand 2822 states and 3244 transitions. [2018-12-08 16:42:57,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-12-08 16:42:57,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:57,204 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 16:42:58,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:58,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3263 states to 2841 states and 3263 transitions. [2018-12-08 16:42:58,036 INFO L276 IsEmpty]: Start isEmpty. Operand 2841 states and 3263 transitions. [2018-12-08 16:42:58,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-12-08 16:42:58,038 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:58,078 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 16:42:59,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:59,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3278 states to 2857 states and 3278 transitions. [2018-12-08 16:42:59,399 INFO L276 IsEmpty]: Start isEmpty. Operand 2857 states and 3278 transitions. [2018-12-08 16:42:59,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-12-08 16:42:59,402 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:59,438 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 16:42:59,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:42:59,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3291 states to 2871 states and 3291 transitions. [2018-12-08 16:42:59,890 INFO L276 IsEmpty]: Start isEmpty. Operand 2871 states and 3291 transitions. [2018-12-08 16:42:59,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-12-08 16:42:59,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:42:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:42:59,926 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 231 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-08 16:43:04,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:04,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3334 states to 2908 states and 3334 transitions. [2018-12-08 16:43:04,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2908 states and 3334 transitions. [2018-12-08 16:43:04,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-12-08 16:43:04,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:04,843 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-08 16:43:04,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:04,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3336 states to 2911 states and 3336 transitions. [2018-12-08 16:43:04,875 INFO L276 IsEmpty]: Start isEmpty. Operand 2911 states and 3336 transitions. [2018-12-08 16:43:04,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-12-08 16:43:04,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:04,911 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-08 16:43:05,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:05,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3339 states to 2915 states and 3339 transitions. [2018-12-08 16:43:05,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2915 states and 3339 transitions. [2018-12-08 16:43:05,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-08 16:43:05,554 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:07,050 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 250 proven. 28 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-08 16:43:15,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:15,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 2961 states and 3393 transitions. [2018-12-08 16:43:15,482 INFO L276 IsEmpty]: Start isEmpty. Operand 2961 states and 3393 transitions. [2018-12-08 16:43:15,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-08 16:43:15,484 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:15,533 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-08 16:43:17,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:17,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3421 states to 2985 states and 3421 transitions. [2018-12-08 16:43:17,985 INFO L276 IsEmpty]: Start isEmpty. Operand 2985 states and 3421 transitions. [2018-12-08 16:43:17,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-08 16:43:17,987 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:18,035 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-08 16:43:18,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:18,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3434 states to 2999 states and 3434 transitions. [2018-12-08 16:43:18,717 INFO L276 IsEmpty]: Start isEmpty. Operand 2999 states and 3434 transitions. [2018-12-08 16:43:18,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-08 16:43:18,720 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:18,773 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-08 16:43:21,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:21,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3457 states to 3018 states and 3457 transitions. [2018-12-08 16:43:21,902 INFO L276 IsEmpty]: Start isEmpty. Operand 3018 states and 3457 transitions. [2018-12-08 16:43:21,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-08 16:43:21,906 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:21,975 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-08 16:43:22,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:22,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3470 states to 3032 states and 3470 transitions. [2018-12-08 16:43:22,235 INFO L276 IsEmpty]: Start isEmpty. Operand 3032 states and 3470 transitions. [2018-12-08 16:43:22,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-08 16:43:22,236 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:22,285 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-08 16:43:22,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:22,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3485 states to 3048 states and 3485 transitions. [2018-12-08 16:43:22,582 INFO L276 IsEmpty]: Start isEmpty. Operand 3048 states and 3485 transitions. [2018-12-08 16:43:22,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-08 16:43:22,583 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:22,632 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-08 16:43:22,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:22,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3500 states to 3064 states and 3500 transitions. [2018-12-08 16:43:22,922 INFO L276 IsEmpty]: Start isEmpty. Operand 3064 states and 3500 transitions. [2018-12-08 16:43:22,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-08 16:43:22,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:22,980 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-08 16:43:23,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:23,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3080 states and 3515 transitions. [2018-12-08 16:43:23,416 INFO L276 IsEmpty]: Start isEmpty. Operand 3080 states and 3515 transitions. [2018-12-08 16:43:23,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-08 16:43:23,417 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:23,513 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 228 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 16:43:24,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:24,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3562 states to 3118 states and 3562 transitions. [2018-12-08 16:43:24,959 INFO L276 IsEmpty]: Start isEmpty. Operand 3118 states and 3562 transitions. [2018-12-08 16:43:24,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-08 16:43:24,997 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:25,094 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 228 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 16:43:27,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:27,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3599 states to 3154 states and 3599 transitions. [2018-12-08 16:43:27,627 INFO L276 IsEmpty]: Start isEmpty. Operand 3154 states and 3599 transitions. [2018-12-08 16:43:27,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-08 16:43:27,629 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:27,732 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 228 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 16:43:33,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:33,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3642 states to 3196 states and 3642 transitions. [2018-12-08 16:43:33,669 INFO L276 IsEmpty]: Start isEmpty. Operand 3196 states and 3642 transitions. [2018-12-08 16:43:33,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-08 16:43:33,672 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:33,781 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 228 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 16:43:33,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:33,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3651 states to 3205 states and 3651 transitions. [2018-12-08 16:43:33,846 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 3651 transitions. [2018-12-08 16:43:33,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-08 16:43:33,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:33,950 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 228 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 16:43:34,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:34,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 3207 states and 3652 transitions. [2018-12-08 16:43:34,394 INFO L276 IsEmpty]: Start isEmpty. Operand 3207 states and 3652 transitions. [2018-12-08 16:43:34,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-08 16:43:34,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:34,488 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 228 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 16:43:34,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:34,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3656 states to 3210 states and 3656 transitions. [2018-12-08 16:43:34,930 INFO L276 IsEmpty]: Start isEmpty. Operand 3210 states and 3656 transitions. [2018-12-08 16:43:34,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-08 16:43:34,932 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:35,022 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 228 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 16:43:36,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:36,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3656 states to 3211 states and 3656 transitions. [2018-12-08 16:43:36,200 INFO L276 IsEmpty]: Start isEmpty. Operand 3211 states and 3656 transitions. [2018-12-08 16:43:36,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-08 16:43:36,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:36,309 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 228 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 16:43:37,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:37,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3680 states to 3227 states and 3680 transitions. [2018-12-08 16:43:37,250 INFO L276 IsEmpty]: Start isEmpty. Operand 3227 states and 3680 transitions. [2018-12-08 16:43:37,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-12-08 16:43:37,251 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:37,295 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-08 16:43:38,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:38,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3697 states to 3243 states and 3697 transitions. [2018-12-08 16:43:38,128 INFO L276 IsEmpty]: Start isEmpty. Operand 3243 states and 3697 transitions. [2018-12-08 16:43:38,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-12-08 16:43:38,129 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:38,163 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-08 16:43:38,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:38,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3710 states to 3257 states and 3710 transitions. [2018-12-08 16:43:38,403 INFO L276 IsEmpty]: Start isEmpty. Operand 3257 states and 3710 transitions. [2018-12-08 16:43:38,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-08 16:43:38,404 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:38,543 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-12-08 16:43:43,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:43,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3783 states to 3329 states and 3783 transitions. [2018-12-08 16:43:43,325 INFO L276 IsEmpty]: Start isEmpty. Operand 3329 states and 3783 transitions. [2018-12-08 16:43:43,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-08 16:43:43,327 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:43,431 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-12-08 16:43:45,342 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-08 16:43:49,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:49,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3814 states to 3361 states and 3814 transitions. [2018-12-08 16:43:49,055 INFO L276 IsEmpty]: Start isEmpty. Operand 3361 states and 3814 transitions. [2018-12-08 16:43:49,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-08 16:43:49,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:49,139 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 16:43:51,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:51,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3879 states to 3423 states and 3879 transitions. [2018-12-08 16:43:51,531 INFO L276 IsEmpty]: Start isEmpty. Operand 3423 states and 3879 transitions. [2018-12-08 16:43:51,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-08 16:43:51,532 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:51,613 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 16:43:52,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:52,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3892 states to 3437 states and 3892 transitions. [2018-12-08 16:43:52,150 INFO L276 IsEmpty]: Start isEmpty. Operand 3437 states and 3892 transitions. [2018-12-08 16:43:52,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-08 16:43:52,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:52,233 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 16:43:52,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:52,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3907 states to 3453 states and 3907 transitions. [2018-12-08 16:43:52,733 INFO L276 IsEmpty]: Start isEmpty. Operand 3453 states and 3907 transitions. [2018-12-08 16:43:52,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-08 16:43:52,735 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:52,804 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-12-08 16:43:54,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:54,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3925 states to 3469 states and 3925 transitions. [2018-12-08 16:43:54,054 INFO L276 IsEmpty]: Start isEmpty. Operand 3469 states and 3925 transitions. [2018-12-08 16:43:54,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-08 16:43:54,055 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:54,125 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-12-08 16:43:54,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:54,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3926 states to 3470 states and 3926 transitions. [2018-12-08 16:43:54,521 INFO L276 IsEmpty]: Start isEmpty. Operand 3470 states and 3926 transitions. [2018-12-08 16:43:54,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-08 16:43:54,523 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:54,592 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-12-08 16:43:54,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:54,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3930 states to 3473 states and 3930 transitions. [2018-12-08 16:43:54,855 INFO L276 IsEmpty]: Start isEmpty. Operand 3473 states and 3930 transitions. [2018-12-08 16:43:54,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-08 16:43:54,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:54,929 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-12-08 16:43:55,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:55,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3930 states to 3474 states and 3930 transitions. [2018-12-08 16:43:55,339 INFO L276 IsEmpty]: Start isEmpty. Operand 3474 states and 3930 transitions. [2018-12-08 16:43:55,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-08 16:43:55,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:55,412 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 305 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-08 16:43:57,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:57,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3966 states to 3508 states and 3966 transitions. [2018-12-08 16:43:57,230 INFO L276 IsEmpty]: Start isEmpty. Operand 3508 states and 3966 transitions. [2018-12-08 16:43:57,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-08 16:43:57,232 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:57,298 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 305 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-08 16:43:57,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:57,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3979 states to 3522 states and 3979 transitions. [2018-12-08 16:43:57,758 INFO L276 IsEmpty]: Start isEmpty. Operand 3522 states and 3979 transitions. [2018-12-08 16:43:57,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-08 16:43:57,759 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:57,834 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 305 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-08 16:43:58,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:58,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3998 states to 3541 states and 3998 transitions. [2018-12-08 16:43:58,714 INFO L276 IsEmpty]: Start isEmpty. Operand 3541 states and 3998 transitions. [2018-12-08 16:43:58,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-08 16:43:58,716 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:58,755 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-12-08 16:43:59,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:59,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4001 states to 3545 states and 4001 transitions. [2018-12-08 16:43:59,265 INFO L276 IsEmpty]: Start isEmpty. Operand 3545 states and 4001 transitions. [2018-12-08 16:43:59,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-08 16:43:59,267 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:59,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:59,305 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 16:43:59,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:43:59,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4014 states to 3555 states and 4014 transitions. [2018-12-08 16:43:59,805 INFO L276 IsEmpty]: Start isEmpty. Operand 3555 states and 4014 transitions. [2018-12-08 16:43:59,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-08 16:43:59,806 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:43:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:43:59,882 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 266 proven. 8 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-08 16:44:00,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:00,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4023 states to 3565 states and 4023 transitions. [2018-12-08 16:44:00,167 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 4023 transitions. [2018-12-08 16:44:00,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-08 16:44:00,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:00,246 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 266 proven. 8 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-08 16:44:00,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:00,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4028 states to 3571 states and 4028 transitions. [2018-12-08 16:44:00,504 INFO L276 IsEmpty]: Start isEmpty. Operand 3571 states and 4028 transitions. [2018-12-08 16:44:00,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-08 16:44:00,505 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:00,581 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 266 proven. 8 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-08 16:44:00,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:00,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4032 states to 3576 states and 4032 transitions. [2018-12-08 16:44:00,869 INFO L276 IsEmpty]: Start isEmpty. Operand 3576 states and 4032 transitions. [2018-12-08 16:44:00,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-08 16:44:00,871 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:00,946 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 266 proven. 8 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-08 16:44:01,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:01,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4096 states to 3637 states and 4096 transitions. [2018-12-08 16:44:01,587 INFO L276 IsEmpty]: Start isEmpty. Operand 3637 states and 4096 transitions. [2018-12-08 16:44:01,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-08 16:44:01,589 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:01,698 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 266 proven. 8 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-08 16:44:01,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:01,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4119 states to 3661 states and 4119 transitions. [2018-12-08 16:44:01,794 INFO L276 IsEmpty]: Start isEmpty. Operand 3661 states and 4119 transitions. [2018-12-08 16:44:01,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-08 16:44:01,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:01,955 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-08 16:44:04,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:04,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4155 states to 3697 states and 4155 transitions. [2018-12-08 16:44:04,620 INFO L276 IsEmpty]: Start isEmpty. Operand 3697 states and 4155 transitions. [2018-12-08 16:44:04,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-08 16:44:04,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:04,738 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-08 16:44:10,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:10,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4192 states to 3733 states and 4192 transitions. [2018-12-08 16:44:10,382 INFO L276 IsEmpty]: Start isEmpty. Operand 3733 states and 4192 transitions. [2018-12-08 16:44:10,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-08 16:44:10,385 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:10,815 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-12-08 16:44:14,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:14,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4200 states to 3739 states and 4200 transitions. [2018-12-08 16:44:14,613 INFO L276 IsEmpty]: Start isEmpty. Operand 3739 states and 4200 transitions. [2018-12-08 16:44:14,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-08 16:44:14,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:14,732 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-08 16:44:17,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:17,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4204 states to 3744 states and 4204 transitions. [2018-12-08 16:44:17,207 INFO L276 IsEmpty]: Start isEmpty. Operand 3744 states and 4204 transitions. [2018-12-08 16:44:17,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-08 16:44:17,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:17,329 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-08 16:44:18,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:18,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4225 states to 3766 states and 4225 transitions. [2018-12-08 16:44:18,960 INFO L276 IsEmpty]: Start isEmpty. Operand 3766 states and 4225 transitions. [2018-12-08 16:44:18,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-08 16:44:18,962 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:19,096 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 16:44:20,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:20,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4232 states to 3773 states and 4232 transitions. [2018-12-08 16:44:20,180 INFO L276 IsEmpty]: Start isEmpty. Operand 3773 states and 4232 transitions. [2018-12-08 16:44:20,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-08 16:44:20,182 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:20,316 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 16:44:23,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:23,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4263 states to 3805 states and 4263 transitions. [2018-12-08 16:44:23,631 INFO L276 IsEmpty]: Start isEmpty. Operand 3805 states and 4263 transitions. [2018-12-08 16:44:23,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-08 16:44:23,632 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:23,759 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 296 proven. 42 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-12-08 16:44:24,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:24,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4273 states to 3812 states and 4273 transitions. [2018-12-08 16:44:24,810 INFO L276 IsEmpty]: Start isEmpty. Operand 3812 states and 4273 transitions. [2018-12-08 16:44:24,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-12-08 16:44:24,811 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:24,930 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-08 16:44:28,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:28,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4289 states to 3829 states and 4289 transitions. [2018-12-08 16:44:28,516 INFO L276 IsEmpty]: Start isEmpty. Operand 3829 states and 4289 transitions. [2018-12-08 16:44:28,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-08 16:44:28,518 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:28,609 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 205 proven. 15 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-12-08 16:44:36,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:36,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4345 states to 3878 states and 4345 transitions. [2018-12-08 16:44:36,729 INFO L276 IsEmpty]: Start isEmpty. Operand 3878 states and 4345 transitions. [2018-12-08 16:44:36,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-08 16:44:36,734 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:36,834 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 205 proven. 15 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-12-08 16:44:38,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:38,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4370 states to 3901 states and 4370 transitions. [2018-12-08 16:44:38,580 INFO L276 IsEmpty]: Start isEmpty. Operand 3901 states and 4370 transitions. [2018-12-08 16:44:38,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-08 16:44:38,582 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:38,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:38,670 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 205 proven. 15 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-12-08 16:44:44,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:44,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4391 states to 3921 states and 4391 transitions. [2018-12-08 16:44:44,207 INFO L276 IsEmpty]: Start isEmpty. Operand 3921 states and 4391 transitions. [2018-12-08 16:44:44,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-08 16:44:44,211 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:44,417 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 205 proven. 15 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-12-08 16:44:44,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:44,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4406 states to 3937 states and 4406 transitions. [2018-12-08 16:44:44,953 INFO L276 IsEmpty]: Start isEmpty. Operand 3937 states and 4406 transitions. [2018-12-08 16:44:44,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-08 16:44:44,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:45,039 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 205 proven. 15 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-12-08 16:44:45,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:45,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4429 states to 3961 states and 4429 transitions. [2018-12-08 16:44:45,229 INFO L276 IsEmpty]: Start isEmpty. Operand 3961 states and 4429 transitions. [2018-12-08 16:44:45,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-08 16:44:45,231 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:45,276 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-12-08 16:44:46,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:46,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4442 states to 3969 states and 4442 transitions. [2018-12-08 16:44:46,187 INFO L276 IsEmpty]: Start isEmpty. Operand 3969 states and 4442 transitions. [2018-12-08 16:44:46,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-12-08 16:44:46,189 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:46,225 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-12-08 16:44:47,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:47,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4460 states to 3985 states and 4460 transitions. [2018-12-08 16:44:47,092 INFO L276 IsEmpty]: Start isEmpty. Operand 3985 states and 4460 transitions. [2018-12-08 16:44:47,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-12-08 16:44:47,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:47,163 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 344 proven. 4 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-08 16:44:48,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:48,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4491 states to 4013 states and 4491 transitions. [2018-12-08 16:44:48,085 INFO L276 IsEmpty]: Start isEmpty. Operand 4013 states and 4491 transitions. [2018-12-08 16:44:48,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-12-08 16:44:48,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:48,163 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 344 proven. 4 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-08 16:44:49,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:49,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4494 states to 4017 states and 4494 transitions. [2018-12-08 16:44:49,039 INFO L276 IsEmpty]: Start isEmpty. Operand 4017 states and 4494 transitions. [2018-12-08 16:44:49,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-12-08 16:44:49,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:49,109 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 344 proven. 4 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-08 16:44:50,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:50,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4509 states to 4033 states and 4509 transitions. [2018-12-08 16:44:50,362 INFO L276 IsEmpty]: Start isEmpty. Operand 4033 states and 4509 transitions. [2018-12-08 16:44:50,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-12-08 16:44:50,364 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:50,413 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-12-08 16:44:50,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:50,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4514 states to 4037 states and 4514 transitions. [2018-12-08 16:44:50,963 INFO L276 IsEmpty]: Start isEmpty. Operand 4037 states and 4514 transitions. [2018-12-08 16:44:50,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-12-08 16:44:50,965 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:51,017 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-12-08 16:44:52,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:52,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4530 states to 4053 states and 4530 transitions. [2018-12-08 16:44:52,558 INFO L276 IsEmpty]: Start isEmpty. Operand 4053 states and 4530 transitions. [2018-12-08 16:44:52,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-12-08 16:44:52,561 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:52,612 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-12-08 16:44:53,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:53,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4534 states to 4057 states and 4534 transitions. [2018-12-08 16:44:53,187 INFO L276 IsEmpty]: Start isEmpty. Operand 4057 states and 4534 transitions. [2018-12-08 16:44:53,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-08 16:44:53,189 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:53,328 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 16:44:54,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:54,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4556 states to 4077 states and 4556 transitions. [2018-12-08 16:44:54,142 INFO L276 IsEmpty]: Start isEmpty. Operand 4077 states and 4556 transitions. [2018-12-08 16:44:54,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-08 16:44:54,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:54,282 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 16:44:59,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:59,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4568 states to 4086 states and 4568 transitions. [2018-12-08 16:44:59,273 INFO L276 IsEmpty]: Start isEmpty. Operand 4086 states and 4568 transitions. [2018-12-08 16:44:59,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-08 16:44:59,275 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:59,410 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 16:45:00,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:00,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4580 states to 4099 states and 4580 transitions. [2018-12-08 16:45:00,195 INFO L276 IsEmpty]: Start isEmpty. Operand 4099 states and 4580 transitions. [2018-12-08 16:45:00,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-08 16:45:00,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:00,398 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 16:45:00,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:00,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4580 states to 4100 states and 4580 transitions. [2018-12-08 16:45:00,945 INFO L276 IsEmpty]: Start isEmpty. Operand 4100 states and 4580 transitions. [2018-12-08 16:45:00,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-08 16:45:00,946 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:01,091 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 16:45:01,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:01,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4583 states to 4103 states and 4583 transitions. [2018-12-08 16:45:01,484 INFO L276 IsEmpty]: Start isEmpty. Operand 4103 states and 4583 transitions. [2018-12-08 16:45:01,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-12-08 16:45:01,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:01,538 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 304 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-12-08 16:45:01,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:01,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4586 states to 4107 states and 4586 transitions. [2018-12-08 16:45:01,857 INFO L276 IsEmpty]: Start isEmpty. Operand 4107 states and 4586 transitions. [2018-12-08 16:45:01,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-12-08 16:45:01,858 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:01,911 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 308 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-08 16:45:03,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:03,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4592 states to 4114 states and 4592 transitions. [2018-12-08 16:45:03,484 INFO L276 IsEmpty]: Start isEmpty. Operand 4114 states and 4592 transitions. [2018-12-08 16:45:03,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-12-08 16:45:03,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:03,602 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 229 proven. 20 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2018-12-08 16:45:04,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:04,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4608 states to 4130 states and 4608 transitions. [2018-12-08 16:45:04,565 INFO L276 IsEmpty]: Start isEmpty. Operand 4130 states and 4608 transitions. [2018-12-08 16:45:04,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-08 16:45:04,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:04,716 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 404 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 16:45:06,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:06,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4651 states to 4170 states and 4651 transitions. [2018-12-08 16:45:06,279 INFO L276 IsEmpty]: Start isEmpty. Operand 4170 states and 4651 transitions. [2018-12-08 16:45:06,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-08 16:45:06,282 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:06,776 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-08 16:45:09,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:09,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4724 states to 4238 states and 4724 transitions. [2018-12-08 16:45:09,348 INFO L276 IsEmpty]: Start isEmpty. Operand 4238 states and 4724 transitions. [2018-12-08 16:45:09,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-08 16:45:09,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:09,480 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-08 16:45:13,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:13,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4738 states to 4252 states and 4738 transitions. [2018-12-08 16:45:13,999 INFO L276 IsEmpty]: Start isEmpty. Operand 4252 states and 4738 transitions. [2018-12-08 16:45:14,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-08 16:45:14,001 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:14,129 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-08 16:45:15,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:15,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4763 states to 4278 states and 4763 transitions. [2018-12-08 16:45:15,662 INFO L276 IsEmpty]: Start isEmpty. Operand 4278 states and 4763 transitions. [2018-12-08 16:45:15,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-12-08 16:45:15,664 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:15,723 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-08 16:45:16,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:16,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4777 states to 4287 states and 4777 transitions. [2018-12-08 16:45:16,745 INFO L276 IsEmpty]: Start isEmpty. Operand 4287 states and 4777 transitions. [2018-12-08 16:45:16,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-12-08 16:45:16,748 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:16,806 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-08 16:45:18,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:18,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4802 states to 4306 states and 4802 transitions. [2018-12-08 16:45:18,954 INFO L276 IsEmpty]: Start isEmpty. Operand 4306 states and 4802 transitions. [2018-12-08 16:45:18,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-12-08 16:45:18,957 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:19,018 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-08 16:45:20,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:20,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4861 states to 4362 states and 4861 transitions. [2018-12-08 16:45:20,854 INFO L276 IsEmpty]: Start isEmpty. Operand 4362 states and 4861 transitions. [2018-12-08 16:45:20,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-12-08 16:45:20,856 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:20,917 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-08 16:45:21,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:21,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4877 states to 4378 states and 4877 transitions. [2018-12-08 16:45:21,718 INFO L276 IsEmpty]: Start isEmpty. Operand 4378 states and 4877 transitions. [2018-12-08 16:45:21,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-12-08 16:45:21,720 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:21,778 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-08 16:45:22,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:22,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4892 states to 4394 states and 4892 transitions. [2018-12-08 16:45:22,753 INFO L276 IsEmpty]: Start isEmpty. Operand 4394 states and 4892 transitions. [2018-12-08 16:45:22,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-12-08 16:45:22,755 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:22,868 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-08 16:45:23,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:23,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4912 states to 4414 states and 4912 transitions. [2018-12-08 16:45:23,627 INFO L276 IsEmpty]: Start isEmpty. Operand 4414 states and 4912 transitions. [2018-12-08 16:45:23,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-12-08 16:45:23,629 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:23,688 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-08 16:45:23,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:23,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4914 states to 4417 states and 4914 transitions. [2018-12-08 16:45:23,748 INFO L276 IsEmpty]: Start isEmpty. Operand 4417 states and 4914 transitions. [2018-12-08 16:45:23,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-12-08 16:45:23,750 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:23,809 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-08 16:45:24,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:24,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4932 states to 4435 states and 4932 transitions. [2018-12-08 16:45:24,450 INFO L276 IsEmpty]: Start isEmpty. Operand 4435 states and 4932 transitions. [2018-12-08 16:45:24,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-08 16:45:24,452 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:26,780 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2018-12-08 16:45:28,076 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2018-12-08 16:45:29,416 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-08 16:45:31,402 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2018-12-08 16:45:35,984 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-08 16:45:38,048 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-08 16:45:41,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:41,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4963 states to 4464 states and 4963 transitions. [2018-12-08 16:45:41,728 INFO L276 IsEmpty]: Start isEmpty. Operand 4464 states and 4963 transitions. [2018-12-08 16:45:41,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-08 16:45:41,731 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:41,896 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-08 16:45:43,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:43,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4975 states to 4477 states and 4975 transitions. [2018-12-08 16:45:43,974 INFO L276 IsEmpty]: Start isEmpty. Operand 4477 states and 4975 transitions. [2018-12-08 16:45:43,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-08 16:45:43,976 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:44,196 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-08 16:45:44,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:44,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4977 states to 4479 states and 4977 transitions. [2018-12-08 16:45:44,639 INFO L276 IsEmpty]: Start isEmpty. Operand 4479 states and 4977 transitions. [2018-12-08 16:45:44,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-08 16:45:44,641 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:44,701 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 441 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-08 16:45:47,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:47,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5043 states to 4539 states and 5043 transitions. [2018-12-08 16:45:47,776 INFO L276 IsEmpty]: Start isEmpty. Operand 4539 states and 5043 transitions. [2018-12-08 16:45:47,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-08 16:45:47,779 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:47,839 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 441 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-08 16:45:49,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:49,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5056 states to 4553 states and 5056 transitions. [2018-12-08 16:45:49,234 INFO L276 IsEmpty]: Start isEmpty. Operand 4553 states and 5056 transitions. [2018-12-08 16:45:49,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-08 16:45:49,236 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:49,295 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 441 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-08 16:45:49,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:49,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5071 states to 4569 states and 5071 transitions. [2018-12-08 16:45:49,877 INFO L276 IsEmpty]: Start isEmpty. Operand 4569 states and 5071 transitions. [2018-12-08 16:45:49,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-12-08 16:45:49,879 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:50,076 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 333 proven. 8 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2018-12-08 16:45:50,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:50,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5075 states to 4574 states and 5075 transitions. [2018-12-08 16:45:50,331 INFO L276 IsEmpty]: Start isEmpty. Operand 4574 states and 5075 transitions. [2018-12-08 16:45:50,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-12-08 16:45:50,334 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:50,468 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 333 proven. 8 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2018-12-08 16:45:50,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:50,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5079 states to 4579 states and 5079 transitions. [2018-12-08 16:45:50,807 INFO L276 IsEmpty]: Start isEmpty. Operand 4579 states and 5079 transitions. [2018-12-08 16:45:50,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-08 16:45:50,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:50,913 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-08 16:45:52,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:52,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5096 states to 4595 states and 5096 transitions. [2018-12-08 16:45:52,385 INFO L276 IsEmpty]: Start isEmpty. Operand 4595 states and 5096 transitions. [2018-12-08 16:45:52,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-08 16:45:52,388 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:52,490 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-08 16:45:54,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:54,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5113 states to 4611 states and 5113 transitions. [2018-12-08 16:45:54,817 INFO L276 IsEmpty]: Start isEmpty. Operand 4611 states and 5113 transitions. [2018-12-08 16:45:54,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-08 16:45:54,819 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:54,927 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-08 16:45:56,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:56,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5124 states to 4622 states and 5124 transitions. [2018-12-08 16:45:56,247 INFO L276 IsEmpty]: Start isEmpty. Operand 4622 states and 5124 transitions. [2018-12-08 16:45:56,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-08 16:45:56,250 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:56,359 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-08 16:45:57,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:57,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5133 states to 4632 states and 5133 transitions. [2018-12-08 16:45:57,177 INFO L276 IsEmpty]: Start isEmpty. Operand 4632 states and 5133 transitions. [2018-12-08 16:45:57,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-08 16:45:57,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:57,281 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-08 16:45:58,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:58,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5149 states to 4648 states and 5149 transitions. [2018-12-08 16:45:58,665 INFO L276 IsEmpty]: Start isEmpty. Operand 4648 states and 5149 transitions. [2018-12-08 16:45:58,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-08 16:45:58,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:45:58,825 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-08 16:45:59,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:45:59,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5149 states to 4649 states and 5149 transitions. [2018-12-08 16:45:59,405 INFO L276 IsEmpty]: Start isEmpty. Operand 4649 states and 5149 transitions. [2018-12-08 16:45:59,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-12-08 16:45:59,408 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:45:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:00,247 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 479 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-12-08 16:46:01,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:01,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5168 states to 4665 states and 5168 transitions. [2018-12-08 16:46:01,633 INFO L276 IsEmpty]: Start isEmpty. Operand 4665 states and 5168 transitions. [2018-12-08 16:46:01,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-12-08 16:46:01,636 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:01,757 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 371 proven. 12 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2018-12-08 16:46:02,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:02,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5172 states to 4670 states and 5172 transitions. [2018-12-08 16:46:02,089 INFO L276 IsEmpty]: Start isEmpty. Operand 4670 states and 5172 transitions. [2018-12-08 16:46:02,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-12-08 16:46:02,091 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:02,213 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 371 proven. 12 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2018-12-08 16:46:03,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:03,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5200 states to 4698 states and 5200 transitions. [2018-12-08 16:46:03,489 INFO L276 IsEmpty]: Start isEmpty. Operand 4698 states and 5200 transitions. [2018-12-08 16:46:03,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-12-08 16:46:03,492 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:03,612 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 371 proven. 12 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2018-12-08 16:46:04,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:04,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5216 states to 4714 states and 5216 transitions. [2018-12-08 16:46:04,655 INFO L276 IsEmpty]: Start isEmpty. Operand 4714 states and 5216 transitions. [2018-12-08 16:46:04,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-12-08 16:46:04,657 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:04,784 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 371 proven. 12 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2018-12-08 16:46:05,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:05,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5221 states to 4720 states and 5221 transitions. [2018-12-08 16:46:05,461 INFO L276 IsEmpty]: Start isEmpty. Operand 4720 states and 5221 transitions. [2018-12-08 16:46:05,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-12-08 16:46:05,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:05,581 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 371 proven. 12 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2018-12-08 16:46:06,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:06,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5234 states to 4734 states and 5234 transitions. [2018-12-08 16:46:06,702 INFO L276 IsEmpty]: Start isEmpty. Operand 4734 states and 5234 transitions. [2018-12-08 16:46:06,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-12-08 16:46:06,705 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:06,823 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 371 proven. 12 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2018-12-08 16:46:07,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:07,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5254 states to 4755 states and 5254 transitions. [2018-12-08 16:46:07,407 INFO L276 IsEmpty]: Start isEmpty. Operand 4755 states and 5254 transitions. [2018-12-08 16:46:07,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-08 16:46:07,409 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:07,597 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 284 proven. 20 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2018-12-08 16:46:10,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:10,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5281 states to 4782 states and 5281 transitions. [2018-12-08 16:46:10,353 INFO L276 IsEmpty]: Start isEmpty. Operand 4782 states and 5281 transitions. [2018-12-08 16:46:10,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-08 16:46:10,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:10,482 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 284 proven. 20 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2018-12-08 16:46:10,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:10,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5290 states to 4792 states and 5290 transitions. [2018-12-08 16:46:10,917 INFO L276 IsEmpty]: Start isEmpty. Operand 4792 states and 5290 transitions. [2018-12-08 16:46:10,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-08 16:46:10,919 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:11,061 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 284 proven. 20 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2018-12-08 16:46:11,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:11,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5297 states to 4800 states and 5297 transitions. [2018-12-08 16:46:11,491 INFO L276 IsEmpty]: Start isEmpty. Operand 4800 states and 5297 transitions. [2018-12-08 16:46:11,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-08 16:46:11,494 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:11,619 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 284 proven. 20 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2018-12-08 16:46:12,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:12,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5312 states to 4815 states and 5312 transitions. [2018-12-08 16:46:12,246 INFO L276 IsEmpty]: Start isEmpty. Operand 4815 states and 5312 transitions. [2018-12-08 16:46:12,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2018-12-08 16:46:12,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:15,006 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 491 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-12-08 16:46:17,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:17,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5315 states to 4816 states and 5315 transitions. [2018-12-08 16:46:17,686 INFO L276 IsEmpty]: Start isEmpty. Operand 4816 states and 5315 transitions. [2018-12-08 16:46:17,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2018-12-08 16:46:17,689 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:18,297 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 669 proven. 4 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-12-08 16:46:21,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:21,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5320 states to 4820 states and 5320 transitions. [2018-12-08 16:46:21,124 INFO L276 IsEmpty]: Start isEmpty. Operand 4820 states and 5320 transitions. [2018-12-08 16:46:21,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-08 16:46:21,126 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:22,367 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 600 proven. 4 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-12-08 16:46:28,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:28,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5336 states to 4830 states and 5336 transitions. [2018-12-08 16:46:28,475 INFO L276 IsEmpty]: Start isEmpty. Operand 4830 states and 5336 transitions. [2018-12-08 16:46:28,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2018-12-08 16:46:28,478 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:28,577 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 465 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2018-12-08 16:46:29,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:29,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5391 states to 4888 states and 5391 transitions. [2018-12-08 16:46:29,560 INFO L276 IsEmpty]: Start isEmpty. Operand 4888 states and 5391 transitions. [2018-12-08 16:46:29,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2018-12-08 16:46:29,563 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:29,730 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 465 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2018-12-08 16:46:30,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:30,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5412 states to 4911 states and 5412 transitions. [2018-12-08 16:46:30,401 INFO L276 IsEmpty]: Start isEmpty. Operand 4911 states and 5412 transitions. [2018-12-08 16:46:30,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2018-12-08 16:46:30,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:30,503 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 465 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2018-12-08 16:46:34,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:34,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5437 states to 4937 states and 5437 transitions. [2018-12-08 16:46:34,259 INFO L276 IsEmpty]: Start isEmpty. Operand 4937 states and 5437 transitions. [2018-12-08 16:46:34,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2018-12-08 16:46:34,262 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:34,362 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 465 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2018-12-08 16:46:34,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:34,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5441 states to 4942 states and 5441 transitions. [2018-12-08 16:46:34,735 INFO L276 IsEmpty]: Start isEmpty. Operand 4942 states and 5441 transitions. [2018-12-08 16:46:34,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2018-12-08 16:46:34,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:34,836 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 465 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2018-12-08 16:46:35,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:35,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5445 states to 4947 states and 5445 transitions. [2018-12-08 16:46:35,188 INFO L276 IsEmpty]: Start isEmpty. Operand 4947 states and 5445 transitions. [2018-12-08 16:46:35,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2018-12-08 16:46:35,190 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:35,291 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 465 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2018-12-08 16:46:35,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:35,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5447 states to 4950 states and 5447 transitions. [2018-12-08 16:46:35,708 INFO L276 IsEmpty]: Start isEmpty. Operand 4950 states and 5447 transitions. [2018-12-08 16:46:35,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2018-12-08 16:46:35,710 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:35,872 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 465 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2018-12-08 16:46:37,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:37,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5460 states to 4964 states and 5460 transitions. [2018-12-08 16:46:37,282 INFO L276 IsEmpty]: Start isEmpty. Operand 4964 states and 5460 transitions. [2018-12-08 16:46:37,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2018-12-08 16:46:37,285 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:37,667 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 637 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-12-08 16:46:40,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:40,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5545 states to 5043 states and 5545 transitions. [2018-12-08 16:46:40,146 INFO L276 IsEmpty]: Start isEmpty. Operand 5043 states and 5545 transitions. [2018-12-08 16:46:40,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2018-12-08 16:46:40,149 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:40,305 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 637 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-12-08 16:46:45,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:45,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5565 states to 5062 states and 5565 transitions. [2018-12-08 16:46:45,118 INFO L276 IsEmpty]: Start isEmpty. Operand 5062 states and 5565 transitions. [2018-12-08 16:46:45,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2018-12-08 16:46:45,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:45,276 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 637 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-12-08 16:46:46,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:46,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5580 states to 5078 states and 5580 transitions. [2018-12-08 16:46:46,120 INFO L276 IsEmpty]: Start isEmpty. Operand 5078 states and 5580 transitions. [2018-12-08 16:46:46,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2018-12-08 16:46:46,123 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:46,278 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 637 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-12-08 16:46:47,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:47,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5593 states to 5092 states and 5593 transitions. [2018-12-08 16:46:47,972 INFO L276 IsEmpty]: Start isEmpty. Operand 5092 states and 5593 transitions. [2018-12-08 16:46:47,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-12-08 16:46:47,975 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:48,362 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 591 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2018-12-08 16:46:50,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:50,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5612 states to 5108 states and 5612 transitions. [2018-12-08 16:46:50,085 INFO L276 IsEmpty]: Start isEmpty. Operand 5108 states and 5612 transitions. [2018-12-08 16:46:50,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2018-12-08 16:46:50,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:50,181 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 602 proven. 4 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2018-12-08 16:46:58,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:58,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5651 states to 5144 states and 5651 transitions. [2018-12-08 16:46:58,586 INFO L276 IsEmpty]: Start isEmpty. Operand 5144 states and 5651 transitions. [2018-12-08 16:46:58,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2018-12-08 16:46:58,590 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:58,684 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 602 proven. 4 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2018-12-08 16:47:00,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:47:00,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5658 states to 5150 states and 5658 transitions. [2018-12-08 16:47:00,576 INFO L276 IsEmpty]: Start isEmpty. Operand 5150 states and 5658 transitions. [2018-12-08 16:47:00,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2018-12-08 16:47:00,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:47:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:47:00,671 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 602 proven. 4 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2018-12-08 16:47:01,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:47:01,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5662 states to 5154 states and 5662 transitions. [2018-12-08 16:47:01,322 INFO L276 IsEmpty]: Start isEmpty. Operand 5154 states and 5662 transitions. [2018-12-08 16:47:01,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2018-12-08 16:47:01,325 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:47:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:47:01,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 476 proven. 16 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2018-12-08 16:47:02,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:47:02,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5678 states to 5170 states and 5678 transitions. [2018-12-08 16:47:02,750 INFO L276 IsEmpty]: Start isEmpty. Operand 5170 states and 5678 transitions. [2018-12-08 16:47:02,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2018-12-08 16:47:02,753 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:47:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:47:02,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 476 proven. 16 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2018-12-08 16:47:03,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:47:03,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5691 states to 5184 states and 5691 transitions. [2018-12-08 16:47:03,618 INFO L276 IsEmpty]: Start isEmpty. Operand 5184 states and 5691 transitions. [2018-12-08 16:47:03,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2018-12-08 16:47:03,621 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:47:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:47:03,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 590 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2018-12-08 16:47:05,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:47:05,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5721 states to 5215 states and 5721 transitions. [2018-12-08 16:47:05,839 INFO L276 IsEmpty]: Start isEmpty. Operand 5215 states and 5721 transitions. [2018-12-08 16:47:05,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2018-12-08 16:47:05,842 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:47:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:47:05,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 590 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2018-12-08 16:47:06,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:47:06,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5736 states to 5230 states and 5736 transitions. [2018-12-08 16:47:06,478 INFO L276 IsEmpty]: Start isEmpty. Operand 5230 states and 5736 transitions. [2018-12-08 16:47:06,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2018-12-08 16:47:06,481 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:47:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:47:06,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1206 backedges. 841 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2018-12-08 16:47:09,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:47:09,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5815 states to 5308 states and 5815 transitions. [2018-12-08 16:47:09,859 INFO L276 IsEmpty]: Start isEmpty. Operand 5308 states and 5815 transitions. [2018-12-08 16:47:09,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2018-12-08 16:47:09,863 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:47:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:47:09,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 699 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2018-12-08 16:47:10,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:47:10,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5816 states to 5310 states and 5816 transitions. [2018-12-08 16:47:10,099 INFO L276 IsEmpty]: Start isEmpty. Operand 5310 states and 5816 transitions. [2018-12-08 16:47:10,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2018-12-08 16:47:10,101 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:47:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:47:10,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 757 proven. 0 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2018-12-08 16:47:12,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:47:12,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5826 states to 5320 states and 5826 transitions. [2018-12-08 16:47:12,056 INFO L276 IsEmpty]: Start isEmpty. Operand 5320 states and 5826 transitions. [2018-12-08 16:47:12,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2018-12-08 16:47:12,059 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:47:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:47:12,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 757 proven. 0 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2018-12-08 16:47:12,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:47:12,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5837 states to 5332 states and 5837 transitions. [2018-12-08 16:47:12,795 INFO L276 IsEmpty]: Start isEmpty. Operand 5332 states and 5837 transitions. [2018-12-08 16:47:12,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2018-12-08 16:47:12,798 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:47:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:47:12,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1365 backedges. 878 proven. 8 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2018-12-08 16:47:18,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:47:18,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5877 states to 5369 states and 5877 transitions. [2018-12-08 16:47:18,182 INFO L276 IsEmpty]: Start isEmpty. Operand 5369 states and 5877 transitions. [2018-12-08 16:47:18,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2018-12-08 16:47:18,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:47:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:47:18,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1365 backedges. 878 proven. 8 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2018-12-08 16:47:21,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:47:21,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5899 states to 5391 states and 5899 transitions. [2018-12-08 16:47:21,548 INFO L276 IsEmpty]: Start isEmpty. Operand 5391 states and 5899 transitions. [2018-12-08 16:47:21,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2018-12-08 16:47:21,551 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:47:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:47:21,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1365 backedges. 878 proven. 8 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2018-12-08 16:47:23,430 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2018-12-08 16:47:24,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:47:24,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5903 states to 5397 states and 5903 transitions. [2018-12-08 16:47:24,552 INFO L276 IsEmpty]: Start isEmpty. Operand 5397 states and 5903 transitions. [2018-12-08 16:47:24,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2018-12-08 16:47:24,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:47:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:47:24,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1441 backedges. 776 proven. 0 refuted. 0 times theorem prover too weak. 665 trivial. 0 not checked. [2018-12-08 16:47:27,947 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2018-12-08 16:47:28,207 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-12-08 16:47:32,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:47:32,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5938 states to 5424 states and 5938 transitions. [2018-12-08 16:47:32,508 INFO L276 IsEmpty]: Start isEmpty. Operand 5424 states and 5938 transitions. [2018-12-08 16:47:32,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2018-12-08 16:47:32,511 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:47:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:47:32,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1441 backedges. 776 proven. 0 refuted. 0 times theorem prover too weak. 665 trivial. 0 not checked. [2018-12-08 16:47:34,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:47:34,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5941 states to 5427 states and 5941 transitions. [2018-12-08 16:47:34,630 INFO L276 IsEmpty]: Start isEmpty. Operand 5427 states and 5941 transitions. [2018-12-08 16:47:34,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2018-12-08 16:47:34,633 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:47:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:47:34,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 991 proven. 4 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2018-12-08 16:47:36,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:47:36,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5985 states to 5468 states and 5985 transitions. [2018-12-08 16:47:36,742 INFO L276 IsEmpty]: Start isEmpty. Operand 5468 states and 5985 transitions. [2018-12-08 16:47:36,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2018-12-08 16:47:36,746 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:47:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:47:36,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 991 proven. 4 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2018-12-08 16:47:39,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:47:39,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6019 states to 5504 states and 6019 transitions. [2018-12-08 16:47:39,958 INFO L276 IsEmpty]: Start isEmpty. Operand 5504 states and 6019 transitions. [2018-12-08 16:47:39,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2018-12-08 16:47:39,961 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:47:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:47:41,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1556 backedges. 446 proven. 701 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2018-12-08 16:47:49,038 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2018-12-08 16:48:09,365 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2018-12-08 16:48:21,570 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-12-08 16:48:29,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:48:29,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6381 states to 5800 states and 6381 transitions. [2018-12-08 16:48:29,436 INFO L276 IsEmpty]: Start isEmpty. Operand 5800 states and 6381 transitions. [2018-12-08 16:48:29,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2018-12-08 16:48:29,443 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:48:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:48:29,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1556 backedges. 446 proven. 701 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2018-12-08 16:48:42,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:48:42,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6513 states to 5913 states and 6513 transitions. [2018-12-08 16:48:42,852 INFO L276 IsEmpty]: Start isEmpty. Operand 5913 states and 6513 transitions. [2018-12-08 16:48:42,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2018-12-08 16:48:42,855 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:48:42,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:48:43,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1556 backedges. 446 proven. 701 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2018-12-08 16:49:04,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:49:04,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6623 states to 6005 states and 6623 transitions. [2018-12-08 16:49:04,275 INFO L276 IsEmpty]: Start isEmpty. Operand 6005 states and 6623 transitions. [2018-12-08 16:49:04,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2018-12-08 16:49:04,281 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:49:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:49:04,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1556 backedges. 446 proven. 701 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2018-12-08 16:49:08,644 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2018-12-08 16:49:22,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:49:22,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5679 states to 5155 states and 5679 transitions. [2018-12-08 16:49:22,531 INFO L276 IsEmpty]: Start isEmpty. Operand 5155 states and 5679 transitions. [2018-12-08 16:49:22,533 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 16:49:22,534 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 281 iterations. [2018-12-08 16:49:22,540 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 16:49:22,893 WARN L180 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 50 [2018-12-08 16:49:23,114 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 38 [2018-12-08 16:49:23,556 WARN L180 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 51 [2018-12-08 16:49:23,689 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 33 [2018-12-08 16:49:24,027 WARN L180 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 52 [2018-12-08 16:49:24,302 WARN L180 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 47 [2018-12-08 16:49:24,594 WARN L180 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 33 [2018-12-08 16:49:24,800 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 38 [2018-12-08 16:49:24,932 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 33 [2018-12-08 16:49:25,162 WARN L180 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 38 [2018-12-08 16:49:25,544 WARN L180 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 51 [2018-12-08 16:49:25,884 WARN L180 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 51 [2018-12-08 16:49:26,014 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 33 [2018-12-08 16:49:26,288 WARN L180 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 36 [2018-12-08 16:49:26,463 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 33 [2018-12-08 16:49:26,758 WARN L180 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 36 [2018-12-08 16:49:27,020 WARN L180 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 36 [2018-12-08 16:49:27,271 WARN L180 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 36 [2018-12-08 16:49:27,589 WARN L180 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 36 [2018-12-08 16:49:27,895 WARN L180 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 47 [2018-12-08 16:49:28,130 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 38 [2018-12-08 16:49:28,371 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 38 [2018-12-08 16:49:28,692 WARN L180 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 36 [2018-12-08 16:49:29,020 WARN L180 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 30 [2018-12-08 16:49:29,468 WARN L180 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 51 [2018-12-08 16:49:29,670 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 38 [2018-12-08 16:49:29,919 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 38 [2018-12-08 16:49:30,192 WARN L180 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 36 [2018-12-08 16:49:30,685 WARN L180 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 63 [2018-12-08 16:49:31,013 WARN L180 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 36 [2018-12-08 16:49:31,246 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 38 [2018-12-08 16:49:31,569 WARN L180 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 36 [2018-12-08 16:49:31,857 WARN L180 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 48 [2018-12-08 16:49:32,078 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 36 [2018-12-08 16:49:32,349 WARN L180 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 47 [2018-12-08 16:49:32,597 WARN L180 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 36 [2018-12-08 16:49:32,887 WARN L180 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 47 [2018-12-08 16:49:33,220 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 38 [2018-12-08 16:49:33,513 WARN L180 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 36 [2018-12-08 16:49:33,812 WARN L180 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 48 [2018-12-08 16:49:34,079 WARN L180 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 36 [2018-12-08 16:49:34,417 WARN L180 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 36 [2018-12-08 16:49:34,738 WARN L180 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 50 [2018-12-08 16:49:34,857 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 33 [2018-12-08 16:49:35,204 WARN L180 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 51 [2018-12-08 16:49:35,445 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 36 [2018-12-08 16:49:35,719 WARN L180 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 30 [2018-12-08 16:49:35,947 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 38 [2018-12-08 16:49:36,259 WARN L180 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 36 [2018-12-08 16:49:36,523 WARN L180 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 38 [2018-12-08 16:49:36,648 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 33 [2018-12-08 16:49:36,980 WARN L180 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 51 [2018-12-08 16:49:37,208 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 38 [2018-12-08 16:49:37,498 WARN L180 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 36 [2018-12-08 16:49:37,632 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 33 [2018-12-08 16:49:37,776 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 33 [2018-12-08 16:49:38,092 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 36 [2018-12-08 16:49:38,392 WARN L180 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 47 [2018-12-08 16:49:38,699 WARN L180 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 47 [2018-12-08 16:49:38,865 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 33 [2018-12-08 16:49:39,246 WARN L180 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 51 [2018-12-08 16:49:39,472 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 38 [2018-12-08 16:49:39,788 WARN L180 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 36 [2018-12-08 16:49:40,141 WARN L180 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 36 [2018-12-08 16:49:40,360 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 38 [2018-12-08 16:49:40,698 WARN L180 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 50 [2018-12-08 16:49:40,901 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 33 [2018-12-08 16:49:41,226 WARN L180 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 36 [2018-12-08 16:49:41,475 WARN L180 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 36 [2018-12-08 16:49:41,806 WARN L180 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 30 [2018-12-08 16:49:42,119 WARN L180 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 47 [2018-12-08 16:49:42,421 WARN L180 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 47 [2018-12-08 16:49:42,797 WARN L180 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 36 [2018-12-08 16:49:43,183 WARN L180 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 60 [2018-12-08 16:49:43,484 WARN L180 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 36 [2018-12-08 16:49:43,728 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 33 [2018-12-08 16:49:43,930 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 38 [2018-12-08 16:49:43,930 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 16:49:43,932 INFO L583 CodeCheckObserver]: Invariant with dag size 30 [2018-12-08 16:49:43,937 INFO L583 CodeCheckObserver]: Invariant with dag size 30 [2018-12-08 16:49:43,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 04:49:43 ImpRootNode [2018-12-08 16:49:43,938 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 16:49:43,938 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:49:43,938 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:49:43,938 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:49:43,939 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:40:58" (3/4) ... [2018-12-08 16:49:43,941 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 16:49:43,952 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-12-08 16:49:43,952 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-08 16:49:43,953 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-08 16:49:43,954 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 16:49:44,033 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3d254c5a-a736-4ae1-9fc1-8731248cadeb/bin-2019/ukojak/witness.graphml [2018-12-08 16:49:44,033 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:49:44,034 INFO L168 Benchmark]: Toolchain (without parser) took 526959.42 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 945.2 MB in the beginning and 1.8 GB in the end (delta: -819.7 MB). Peak memory consumption was 789.9 MB. Max. memory is 11.5 GB. [2018-12-08 16:49:44,034 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:49:44,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -187.9 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. [2018-12-08 16:49:44,035 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:49:44,035 INFO L168 Benchmark]: Boogie Preprocessor took 38.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:49:44,035 INFO L168 Benchmark]: RCFGBuilder took 1041.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 901.7 MB in the end (delta: 220.6 MB). Peak memory consumption was 220.6 MB. Max. memory is 11.5 GB. [2018-12-08 16:49:44,035 INFO L168 Benchmark]: CodeCheck took 525401.10 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 901.7 MB in the beginning and 1.8 GB in the end (delta: -863.3 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2018-12-08 16:49:44,035 INFO L168 Benchmark]: Witness Printer took 94.66 ms. Allocated memory is still 2.6 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 2.2 kB). Peak memory consumption was 2.2 kB. Max. memory is 11.5 GB. [2018-12-08 16:49:44,037 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 1 procedures, 227 locations, 1 error locations. SAFE Result, 503.9s OverallTime, 281 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 409408488 SDtfs, 2061085640 SDslu, -1906413360 SDs, 0 SdLazy, -1087511540 SolverSat, 1510243320 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2501.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 457748 GetRequests, 444914 SyntacticMatches, 10452 SemanticMatches, 2382 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4082232 ImplicationChecksByTransitivity, 444.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.1s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 26.5s InterpolantComputationTime, 71816 NumberOfCodeBlocks, 71816 NumberOfCodeBlocksAsserted, 280 NumberOfCheckSat, 71536 ConstructedInterpolants, 0 QuantifiedInterpolants, 83563244 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 280 InterpolantComputations, 176 PerfectInterpolantSequences, 101643/105800 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: 532]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1) && !(a11 == 1)) || ((a25 == 1 && !(a11 == 1)) && !(a28 == 11))) || ((!(a28 == 8) && !(a11 == 1)) && !(a28 == 11))) || ((!(a19 == 1) && !(a28 == 8)) && !(a28 == 11))) || (!(a17 == 9) && !(a28 == 11))) || ((!(a19 == 1) && a28 == 8) && a25 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1) && !(a11 == 1)) || ((a25 == 1 && !(a11 == 1)) && !(a28 == 11))) || ((!(a28 == 8) && !(a11 == 1)) && !(a28 == 11))) || ((!(a19 == 1) && !(a28 == 8)) && !(a28 == 11))) || (!(a17 == 9) && !(a28 == 11))) || ((!(a19 == 1) && a28 == 8) && a25 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 340.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -187.9 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1041.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 901.7 MB in the end (delta: 220.6 MB). Peak memory consumption was 220.6 MB. Max. memory is 11.5 GB. * CodeCheck took 525401.10 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 901.7 MB in the beginning and 1.8 GB in the end (delta: -863.3 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. * Witness Printer took 94.66 ms. Allocated memory is still 2.6 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 2.2 kB). Peak memory consumption was 2.2 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...