./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label15_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_187153fe-a8fa-45b0-bd6c-d8cc961c2b8a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_187153fe-a8fa-45b0-bd6c-d8cc961c2b8a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_187153fe-a8fa-45b0-bd6c-d8cc961c2b8a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_187153fe-a8fa-45b0-bd6c-d8cc961c2b8a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label15_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_187153fe-a8fa-45b0-bd6c-d8cc961c2b8a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_187153fe-a8fa-45b0-bd6c-d8cc961c2b8a/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 a36e59b73de737948c8406f65f182e859a67435b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 18:59:59,054 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 18:59:59,055 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 18:59:59,061 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 18:59:59,061 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 18:59:59,061 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 18:59:59,062 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 18:59:59,063 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 18:59:59,064 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 18:59:59,064 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 18:59:59,064 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 18:59:59,065 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 18:59:59,065 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 18:59:59,065 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 18:59:59,066 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 18:59:59,066 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 18:59:59,067 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 18:59:59,068 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 18:59:59,068 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 18:59:59,069 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 18:59:59,070 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 18:59:59,070 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 18:59:59,071 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 18:59:59,071 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 18:59:59,071 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 18:59:59,072 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 18:59:59,072 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 18:59:59,073 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 18:59:59,073 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 18:59:59,074 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 18:59:59,074 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 18:59:59,074 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 18:59:59,074 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 18:59:59,074 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 18:59:59,075 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 18:59:59,075 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 18:59:59,075 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_187153fe-a8fa-45b0-bd6c-d8cc961c2b8a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 18:59:59,082 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 18:59:59,082 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 18:59:59,083 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 18:59:59,083 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 18:59:59,083 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 18:59:59,083 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 18:59:59,084 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 18:59:59,084 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 18:59:59,084 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 18:59:59,084 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 18:59:59,084 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 18:59:59,084 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 18:59:59,084 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 18:59:59,084 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 18:59:59,084 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 18:59:59,084 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 18:59:59,084 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 18:59:59,084 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 18:59:59,085 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 18:59:59,085 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 18:59:59,085 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 18:59:59,085 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 18:59:59,085 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 18:59:59,085 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 18:59:59,085 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 18:59:59,085 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 18:59:59,085 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 18:59:59,085 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 18:59:59,085 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 18:59:59,086 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_187153fe-a8fa-45b0-bd6c-d8cc961c2b8a/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 -> a36e59b73de737948c8406f65f182e859a67435b [2018-12-09 18:59:59,102 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 18:59:59,108 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 18:59:59,110 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 18:59:59,111 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 18:59:59,111 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 18:59:59,112 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_187153fe-a8fa-45b0-bd6c-d8cc961c2b8a/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label15_true-unreach-call_false-termination.c [2018-12-09 18:59:59,145 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_187153fe-a8fa-45b0-bd6c-d8cc961c2b8a/bin-2019/ukojak/data/d5660d27f/199d85024d2d48acaf403179b4c3092b/FLAGf63c3a315 [2018-12-09 18:59:59,467 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 18:59:59,467 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_187153fe-a8fa-45b0-bd6c-d8cc961c2b8a/sv-benchmarks/c/eca-rers2012/Problem02_label15_true-unreach-call_false-termination.c [2018-12-09 18:59:59,473 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_187153fe-a8fa-45b0-bd6c-d8cc961c2b8a/bin-2019/ukojak/data/d5660d27f/199d85024d2d48acaf403179b4c3092b/FLAGf63c3a315 [2018-12-09 18:59:59,869 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_187153fe-a8fa-45b0-bd6c-d8cc961c2b8a/bin-2019/ukojak/data/d5660d27f/199d85024d2d48acaf403179b4c3092b [2018-12-09 18:59:59,871 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 18:59:59,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 18:59:59,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 18:59:59,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 18:59:59,875 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 18:59:59,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:59:59" (1/1) ... [2018-12-09 18:59:59,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf0b28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:59:59, skipping insertion in model container [2018-12-09 18:59:59,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:59:59" (1/1) ... [2018-12-09 18:59:59,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 18:59:59,909 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:00:00,081 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:00:00,084 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:00:00,171 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:00:00,184 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:00:00,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:00:00 WrapperNode [2018-12-09 19:00:00,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:00:00,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:00:00,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:00:00,186 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:00:00,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:00:00" (1/1) ... [2018-12-09 19:00:00,205 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:00:00" (1/1) ... [2018-12-09 19:00:00,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:00:00,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:00:00,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:00:00,239 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:00:00,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:00:00" (1/1) ... [2018-12-09 19:00:00,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:00:00" (1/1) ... [2018-12-09 19:00:00,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:00:00" (1/1) ... [2018-12-09 19:00:00,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:00:00" (1/1) ... [2018-12-09 19:00:00,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:00:00" (1/1) ... [2018-12-09 19:00:00,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:00:00" (1/1) ... [2018-12-09 19:00:00,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:00:00" (1/1) ... [2018-12-09 19:00:00,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:00:00,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:00:00,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:00:00,280 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:00:00,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:00:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_187153fe-a8fa-45b0-bd6c-d8cc961c2b8a/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 19:00:00,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:00:00,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:00:01,395 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:00:01,395 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 19:00:01,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:00:01 BoogieIcfgContainer [2018-12-09 19:00:01,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:00:01,396 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 19:00:01,397 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 19:00:01,406 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 19:00:01,406 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:00:01" (1/1) ... [2018-12-09 19:00:01,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:00:01,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:01,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-09 19:00:01,444 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-09 19:00:01,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 19:00:01,447 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:01,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:01,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:01,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 163 states and 276 transitions. [2018-12-09 19:00:01,997 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 276 transitions. [2018-12-09 19:00:01,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 19:00:01,999 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:02,053 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:00:02,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:02,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 245 states and 363 transitions. [2018-12-09 19:00:02,449 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 363 transitions. [2018-12-09 19:00:02,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-09 19:00:02,451 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:02,473 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:02,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:02,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 251 states and 369 transitions. [2018-12-09 19:00:02,553 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 369 transitions. [2018-12-09 19:00:02,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 19:00:02,555 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:02,575 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:02,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:02,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 254 states and 372 transitions. [2018-12-09 19:00:02,600 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 372 transitions. [2018-12-09 19:00:02,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 19:00:02,601 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:02,625 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:02,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:02,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 256 states and 374 transitions. [2018-12-09 19:00:02,637 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 374 transitions. [2018-12-09 19:00:02,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-09 19:00:02,638 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:02,693 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:02,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:02,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 274 states and 398 transitions. [2018-12-09 19:00:02,889 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 398 transitions. [2018-12-09 19:00:02,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 19:00:02,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:02,948 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:03,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:03,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 292 states and 424 transitions. [2018-12-09 19:00:03,337 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 424 transitions. [2018-12-09 19:00:03,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 19:00:03,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:03,405 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:00:03,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:03,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 314 states and 458 transitions. [2018-12-09 19:00:03,850 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 458 transitions. [2018-12-09 19:00:03,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 19:00:03,851 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:03,898 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:00:04,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:04,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 332 states and 481 transitions. [2018-12-09 19:00:04,265 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 481 transitions. [2018-12-09 19:00:04,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 19:00:04,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:04,289 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:04,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:04,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 336 states and 486 transitions. [2018-12-09 19:00:04,468 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 486 transitions. [2018-12-09 19:00:04,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 19:00:04,469 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:04,489 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:04,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:04,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 340 states and 493 transitions. [2018-12-09 19:00:04,700 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 493 transitions. [2018-12-09 19:00:04,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 19:00:04,700 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:04,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:04,714 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:04,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:04,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 343 states and 497 transitions. [2018-12-09 19:00:04,804 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 497 transitions. [2018-12-09 19:00:04,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 19:00:04,805 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:04,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:04,879 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:05,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:05,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 366 states and 530 transitions. [2018-12-09 19:00:05,407 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 530 transitions. [2018-12-09 19:00:05,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-09 19:00:05,408 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:05,429 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:05,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:05,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 377 states and 545 transitions. [2018-12-09 19:00:05,665 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 545 transitions. [2018-12-09 19:00:05,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 19:00:05,666 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:05,693 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:00:05,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:05,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 378 states and 549 transitions. [2018-12-09 19:00:05,729 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 549 transitions. [2018-12-09 19:00:05,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 19:00:05,730 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:05,815 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:06,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:06,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 400 states and 584 transitions. [2018-12-09 19:00:06,579 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 584 transitions. [2018-12-09 19:00:06,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 19:00:06,580 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:06,625 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:06,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:06,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 403 states and 589 transitions. [2018-12-09 19:00:06,725 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 589 transitions. [2018-12-09 19:00:06,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 19:00:06,726 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:06,765 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:06,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:06,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 406 states and 592 transitions. [2018-12-09 19:00:06,893 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 592 transitions. [2018-12-09 19:00:06,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 19:00:06,894 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:06,931 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:07,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:07,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 409 states and 595 transitions. [2018-12-09 19:00:07,036 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 595 transitions. [2018-12-09 19:00:07,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 19:00:07,037 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:07,076 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:07,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:07,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 412 states and 598 transitions. [2018-12-09 19:00:07,192 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 598 transitions. [2018-12-09 19:00:07,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 19:00:07,193 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:07,243 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:07,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:07,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 427 states and 616 transitions. [2018-12-09 19:00:07,730 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 616 transitions. [2018-12-09 19:00:07,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 19:00:07,731 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:07,841 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:08,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:08,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 434 states and 625 transitions. [2018-12-09 19:00:08,233 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 625 transitions. [2018-12-09 19:00:08,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 19:00:08,234 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:08,254 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:00:08,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:08,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 441 states and 634 transitions. [2018-12-09 19:00:08,567 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 634 transitions. [2018-12-09 19:00:08,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 19:00:08,568 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:08,589 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:00:08,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:08,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 445 states and 638 transitions. [2018-12-09 19:00:08,801 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 638 transitions. [2018-12-09 19:00:08,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-09 19:00:08,802 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:08,908 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:09,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:09,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 451 states and 646 transitions. [2018-12-09 19:00:09,182 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 646 transitions. [2018-12-09 19:00:09,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-09 19:00:09,183 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:09,285 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:09,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:09,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 454 states and 649 transitions. [2018-12-09 19:00:09,428 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 649 transitions. [2018-12-09 19:00:09,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-09 19:00:09,429 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:09,683 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:10,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:10,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 494 states and 701 transitions. [2018-12-09 19:00:10,909 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 701 transitions. [2018-12-09 19:00:10,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-09 19:00:10,910 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:10,944 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:11,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:11,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 497 states and 704 transitions. [2018-12-09 19:00:11,211 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 704 transitions. [2018-12-09 19:00:11,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-09 19:00:11,212 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:11,235 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:11,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:11,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 499 states and 706 transitions. [2018-12-09 19:00:11,400 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 706 transitions. [2018-12-09 19:00:11,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-09 19:00:11,400 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:11,415 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:11,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:11,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 519 states and 727 transitions. [2018-12-09 19:00:11,533 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 727 transitions. [2018-12-09 19:00:11,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-09 19:00:11,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:11,555 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:11,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:11,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 521 states and 729 transitions. [2018-12-09 19:00:11,576 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 729 transitions. [2018-12-09 19:00:11,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-09 19:00:11,577 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:11,600 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 19:00:11,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:11,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 527 states and 737 transitions. [2018-12-09 19:00:11,971 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 737 transitions. [2018-12-09 19:00:11,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-09 19:00:11,972 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:12,031 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:00:12,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:12,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 540 states and 762 transitions. [2018-12-09 19:00:12,553 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 762 transitions. [2018-12-09 19:00:12,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-09 19:00:12,553 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:12,582 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:00:12,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:12,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 544 states and 765 transitions. [2018-12-09 19:00:12,659 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 765 transitions. [2018-12-09 19:00:12,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-09 19:00:12,659 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:12,681 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:00:12,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:12,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 548 states and 768 transitions. [2018-12-09 19:00:12,896 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 768 transitions. [2018-12-09 19:00:12,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-09 19:00:12,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:12,908 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 19:00:13,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:13,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 553 states and 774 transitions. [2018-12-09 19:00:13,095 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 774 transitions. [2018-12-09 19:00:13,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-09 19:00:13,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:13,110 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:00:13,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:13,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 575 states and 802 transitions. [2018-12-09 19:00:13,640 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 802 transitions. [2018-12-09 19:00:13,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-09 19:00:13,640 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:13,655 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:00:13,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:13,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 578 states and 804 transitions. [2018-12-09 19:00:13,750 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 804 transitions. [2018-12-09 19:00:13,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-09 19:00:13,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:13,765 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:00:13,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:13,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 583 states and 808 transitions. [2018-12-09 19:00:13,859 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 808 transitions. [2018-12-09 19:00:13,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 19:00:13,860 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:13,873 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 19:00:14,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:14,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 589 states and 813 transitions. [2018-12-09 19:00:14,136 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 813 transitions. [2018-12-09 19:00:14,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 19:00:14,137 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:14,149 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 19:00:14,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:14,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 597 states and 825 transitions. [2018-12-09 19:00:14,458 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 825 transitions. [2018-12-09 19:00:14,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 19:00:14,458 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:14,470 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 19:00:14,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:14,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 599 states and 827 transitions. [2018-12-09 19:00:14,614 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 827 transitions. [2018-12-09 19:00:14,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 19:00:14,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:14,629 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:14,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:14,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 600 states and 829 transitions. [2018-12-09 19:00:14,727 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 829 transitions. [2018-12-09 19:00:14,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 19:00:14,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:14,744 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:14,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:14,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 603 states and 832 transitions. [2018-12-09 19:00:14,851 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 832 transitions. [2018-12-09 19:00:14,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-09 19:00:14,852 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:14,952 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:00:15,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:15,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 626 states and 861 transitions. [2018-12-09 19:00:15,558 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 861 transitions. [2018-12-09 19:00:15,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-09 19:00:15,559 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:15,656 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:00:15,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:15,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 632 states and 867 transitions. [2018-12-09 19:00:15,999 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 867 transitions. [2018-12-09 19:00:16,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-09 19:00:16,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:16,102 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:00:16,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:16,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 633 states and 867 transitions. [2018-12-09 19:00:16,213 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 867 transitions. [2018-12-09 19:00:16,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 19:00:16,214 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:16,233 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 19:00:16,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:16,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 639 states and 874 transitions. [2018-12-09 19:00:16,415 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 874 transitions. [2018-12-09 19:00:16,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 19:00:16,416 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:16,431 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 19:00:16,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:16,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 640 states and 875 transitions. [2018-12-09 19:00:16,595 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 875 transitions. [2018-12-09 19:00:16,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 19:00:16,596 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:16,610 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 19:00:16,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:16,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 642 states and 877 transitions. [2018-12-09 19:00:16,789 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 877 transitions. [2018-12-09 19:00:16,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-09 19:00:16,789 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:16,805 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 19:00:17,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:17,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 655 states and 891 transitions. [2018-12-09 19:00:17,206 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 891 transitions. [2018-12-09 19:00:17,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-09 19:00:17,207 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:17,223 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 19:00:17,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:17,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 656 states and 892 transitions. [2018-12-09 19:00:17,234 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 892 transitions. [2018-12-09 19:00:17,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 19:00:17,234 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:17,334 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:17,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:17,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 672 states and 910 transitions. [2018-12-09 19:00:17,784 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 910 transitions. [2018-12-09 19:00:17,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 19:00:17,785 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:17,817 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 19:00:18,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:18,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 701 states and 942 transitions. [2018-12-09 19:00:18,355 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 942 transitions. [2018-12-09 19:00:18,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 19:00:18,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:18,384 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 19:00:19,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:19,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 720 states and 963 transitions. [2018-12-09 19:00:19,100 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 963 transitions. [2018-12-09 19:00:19,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 19:00:19,100 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:19,141 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 19:00:19,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:19,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 721 states and 965 transitions. [2018-12-09 19:00:19,175 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 965 transitions. [2018-12-09 19:00:19,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-09 19:00:19,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:19,208 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 19:00:20,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:20,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 754 states and 1004 transitions. [2018-12-09 19:00:20,388 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1004 transitions. [2018-12-09 19:00:20,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-09 19:00:20,389 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:20,431 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 19:00:20,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:20,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 757 states and 1007 transitions. [2018-12-09 19:00:20,605 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1007 transitions. [2018-12-09 19:00:20,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-09 19:00:20,605 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:20,626 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:20,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:20,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 799 states and 1053 transitions. [2018-12-09 19:00:20,946 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1053 transitions. [2018-12-09 19:00:20,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-09 19:00:20,946 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:20,995 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 19:00:21,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:21,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 806 states and 1061 transitions. [2018-12-09 19:00:21,464 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1061 transitions. [2018-12-09 19:00:21,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-09 19:00:21,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:22,006 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:24,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:24,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 865 states and 1124 transitions. [2018-12-09 19:00:24,255 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1124 transitions. [2018-12-09 19:00:24,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-09 19:00:24,256 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:24,276 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:24,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:24,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 901 states and 1162 transitions. [2018-12-09 19:00:24,534 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1162 transitions. [2018-12-09 19:00:24,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-09 19:00:24,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:24,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:24,565 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:25,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:25,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 916 states and 1180 transitions. [2018-12-09 19:00:25,086 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1180 transitions. [2018-12-09 19:00:25,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-09 19:00:25,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:25,122 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:25,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:25,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 928 states and 1194 transitions. [2018-12-09 19:00:25,528 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1194 transitions. [2018-12-09 19:00:25,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-09 19:00:25,528 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:25,565 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:25,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:25,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 931 states and 1197 transitions. [2018-12-09 19:00:25,778 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1197 transitions. [2018-12-09 19:00:25,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 19:00:25,779 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:25,799 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:26,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:26,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 942 states and 1209 transitions. [2018-12-09 19:00:26,373 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1209 transitions. [2018-12-09 19:00:26,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 19:00:26,374 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:26,745 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:32,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:32,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 1010 states and 1291 transitions. [2018-12-09 19:00:32,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1291 transitions. [2018-12-09 19:00:32,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 19:00:32,537 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:32,575 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:32,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:32,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1013 states and 1294 transitions. [2018-12-09 19:00:32,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1294 transitions. [2018-12-09 19:00:32,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 19:00:32,826 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:32,861 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:33,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:33,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1016 states and 1297 transitions. [2018-12-09 19:00:33,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1297 transitions. [2018-12-09 19:00:33,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 19:00:33,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:33,239 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:00:34,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:34,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1058 states and 1350 transitions. [2018-12-09 19:00:34,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1350 transitions. [2018-12-09 19:00:34,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 19:00:34,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:34,438 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:00:35,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:35,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1067 states and 1361 transitions. [2018-12-09 19:00:35,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1361 transitions. [2018-12-09 19:00:35,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 19:00:35,136 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:35,176 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:00:35,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:35,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1071 states and 1364 transitions. [2018-12-09 19:00:35,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1364 transitions. [2018-12-09 19:00:35,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 19:00:35,541 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:35,582 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:00:35,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:35,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1074 states and 1366 transitions. [2018-12-09 19:00:35,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1366 transitions. [2018-12-09 19:00:35,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 19:00:35,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:35,856 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:36,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:36,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1086 states and 1384 transitions. [2018-12-09 19:00:36,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1384 transitions. [2018-12-09 19:00:36,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-09 19:00:36,917 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:37,343 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 104 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:39,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:39,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 1110 states and 1413 transitions. [2018-12-09 19:00:39,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1413 transitions. [2018-12-09 19:00:39,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-09 19:00:39,537 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:39,576 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 104 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:39,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:39,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1113 states and 1415 transitions. [2018-12-09 19:00:39,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1415 transitions. [2018-12-09 19:00:39,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 19:00:39,906 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:39,926 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:00:40,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:40,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1135 states and 1438 transitions. [2018-12-09 19:00:40,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1438 transitions. [2018-12-09 19:00:40,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 19:00:40,294 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:40,353 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 19:00:41,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:41,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1161 states and 1467 transitions. [2018-12-09 19:00:41,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1467 transitions. [2018-12-09 19:00:41,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 19:00:41,166 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:41,225 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 19:00:41,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:41,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1162 states and 1468 transitions. [2018-12-09 19:00:41,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1468 transitions. [2018-12-09 19:00:41,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 19:00:41,471 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:41,536 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 19:00:41,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:41,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1164 states and 1469 transitions. [2018-12-09 19:00:41,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1469 transitions. [2018-12-09 19:00:41,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 19:00:41,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:41,777 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 19:00:41,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:41,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1166 states and 1470 transitions. [2018-12-09 19:00:41,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1470 transitions. [2018-12-09 19:00:41,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 19:00:41,939 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:42,198 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:43,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:43,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1218 states and 1525 transitions. [2018-12-09 19:00:43,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1525 transitions. [2018-12-09 19:00:43,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 19:00:43,912 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:44,024 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:44,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:44,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1219 states and 1526 transitions. [2018-12-09 19:00:44,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1526 transitions. [2018-12-09 19:00:44,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 19:00:44,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:44,382 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:44,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:44,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1221 states and 1527 transitions. [2018-12-09 19:00:44,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1527 transitions. [2018-12-09 19:00:44,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-09 19:00:44,563 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:44,619 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:48,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:48,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1251 states and 1559 transitions. [2018-12-09 19:00:48,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1559 transitions. [2018-12-09 19:00:48,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-09 19:00:48,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:48,121 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:00:48,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:48,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1253 states and 1561 transitions. [2018-12-09 19:00:48,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1561 transitions. [2018-12-09 19:00:48,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 19:00:48,716 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:48,749 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-09 19:00:48,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:48,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1258 states and 1567 transitions. [2018-12-09 19:00:48,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1567 transitions. [2018-12-09 19:00:48,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-09 19:00:48,929 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:48,958 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 19:00:49,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:49,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1369 states and 1683 transitions. [2018-12-09 19:00:49,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 1683 transitions. [2018-12-09 19:00:49,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-09 19:00:49,954 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:49,976 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-09 19:00:50,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:50,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1375 states and 1691 transitions. [2018-12-09 19:00:50,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 1691 transitions. [2018-12-09 19:00:50,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-09 19:00:50,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:51,020 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:00:53,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:53,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1445 states and 1761 transitions. [2018-12-09 19:00:53,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1761 transitions. [2018-12-09 19:00:53,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-09 19:00:53,437 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:53,506 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:00:53,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:53,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1446 states and 1761 transitions. [2018-12-09 19:00:53,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 1761 transitions. [2018-12-09 19:00:53,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-09 19:00:53,739 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:53,780 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 19:00:54,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:54,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1448 states and 1764 transitions. [2018-12-09 19:00:54,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 1764 transitions. [2018-12-09 19:00:54,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 19:00:54,078 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:54,108 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:00:54,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:54,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 1468 states and 1790 transitions. [2018-12-09 19:00:54,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 1790 transitions. [2018-12-09 19:00:54,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 19:00:54,481 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:54,539 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 19:00:56,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:00:56,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1498 states and 1822 transitions. [2018-12-09 19:00:56,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 1822 transitions. [2018-12-09 19:00:56,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-09 19:00:56,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:00:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:00:56,611 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 104 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 19:01:02,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:01:02,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 1536 states and 1867 transitions. [2018-12-09 19:01:02,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1536 states and 1867 transitions. [2018-12-09 19:01:02,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-09 19:01:02,931 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:01:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:01:03,038 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 19:01:03,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:01:03,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 1615 states and 1949 transitions. [2018-12-09 19:01:03,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 1949 transitions. [2018-12-09 19:01:03,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 19:01:03,666 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:01:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:01:04,404 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 19:01:08,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:01:08,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2030 states to 1693 states and 2030 transitions. [2018-12-09 19:01:08,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 2030 transitions. [2018-12-09 19:01:08,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 19:01:08,024 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:01:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:01:08,103 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 19:01:09,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:01:09,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2045 states to 1709 states and 2045 transitions. [2018-12-09 19:01:09,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 2045 transitions. [2018-12-09 19:01:09,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 19:01:09,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:01:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:01:09,208 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:01:12,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:01:12,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2120 states to 1780 states and 2120 transitions. [2018-12-09 19:01:12,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2120 transitions. [2018-12-09 19:01:12,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 19:01:12,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:01:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:01:12,214 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:01:14,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:01:14,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 1796 states and 2135 transitions. [2018-12-09 19:01:14,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 2135 transitions. [2018-12-09 19:01:14,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 19:01:14,158 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:01:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:01:14,248 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:01:14,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:01:14,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2141 states to 1803 states and 2141 transitions. [2018-12-09 19:01:14,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2141 transitions. [2018-12-09 19:01:14,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-09 19:01:14,503 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:01:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:01:15,319 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-09 19:01:22,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:01:22,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 1843 states and 2185 transitions. [2018-12-09 19:01:22,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2185 transitions. [2018-12-09 19:01:22,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-09 19:01:22,368 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:01:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:01:22,448 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-09 19:01:27,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:01:27,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2238 states to 1896 states and 2238 transitions. [2018-12-09 19:01:27,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 2238 transitions. [2018-12-09 19:01:27,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-09 19:01:27,832 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:01:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:01:27,914 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-09 19:01:29,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:01:29,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 1899 states and 2240 transitions. [2018-12-09 19:01:29,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1899 states and 2240 transitions. [2018-12-09 19:01:29,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-09 19:01:29,026 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:01:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:01:29,106 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-09 19:01:29,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:01:29,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 1902 states and 2242 transitions. [2018-12-09 19:01:29,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 2242 transitions. [2018-12-09 19:01:29,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 19:01:29,741 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:01:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:01:30,734 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:01:34,134 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-09 19:01:41,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:01:41,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2313 states to 1971 states and 2313 transitions. [2018-12-09 19:01:41,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1971 states and 2313 transitions. [2018-12-09 19:01:41,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 19:01:41,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:01:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:01:41,249 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:01:41,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:01:41,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2336 states to 1994 states and 2336 transitions. [2018-12-09 19:01:41,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2336 transitions. [2018-12-09 19:01:41,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 19:01:41,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:01:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:01:41,810 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:01:42,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:01:42,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2338 states to 1997 states and 2338 transitions. [2018-12-09 19:01:42,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1997 states and 2338 transitions. [2018-12-09 19:01:42,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-09 19:01:42,132 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:01:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:01:42,513 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-09 19:01:46,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:01:46,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2374 states to 2026 states and 2374 transitions. [2018-12-09 19:01:46,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 2374 transitions. [2018-12-09 19:01:46,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-12-09 19:01:46,855 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:01:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:01:46,938 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-09 19:01:49,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:01:49,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2395 states to 2036 states and 2395 transitions. [2018-12-09 19:01:49,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2036 states and 2395 transitions. [2018-12-09 19:01:49,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-09 19:01:49,477 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:01:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:01:49,555 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-09 19:01:49,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:01:49,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2037 states and 2396 transitions. [2018-12-09 19:01:49,728 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states and 2396 transitions. [2018-12-09 19:01:49,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-09 19:01:49,729 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:01:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:01:49,786 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-09 19:01:50,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:01:50,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2400 states to 2041 states and 2400 transitions. [2018-12-09 19:01:50,186 INFO L276 IsEmpty]: Start isEmpty. Operand 2041 states and 2400 transitions. [2018-12-09 19:01:50,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-12-09 19:01:50,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:01:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:01:50,320 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-09 19:01:55,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:01:55,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2437 states to 2072 states and 2437 transitions. [2018-12-09 19:01:55,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2072 states and 2437 transitions. [2018-12-09 19:01:55,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-12-09 19:01:55,853 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:01:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:01:55,914 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-09 19:01:58,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:01:58,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 2082 states and 2457 transitions. [2018-12-09 19:01:58,663 INFO L276 IsEmpty]: Start isEmpty. Operand 2082 states and 2457 transitions. [2018-12-09 19:01:58,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-09 19:01:58,665 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:01:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:01:58,720 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-12-09 19:01:59,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:01:59,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2460 states to 2083 states and 2460 transitions. [2018-12-09 19:01:59,170 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 2460 transitions. [2018-12-09 19:01:59,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-09 19:01:59,171 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:01:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:01:59,212 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 169 proven. 3 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-09 19:02:00,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:00,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2482 states to 2096 states and 2482 transitions. [2018-12-09 19:02:00,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2096 states and 2482 transitions. [2018-12-09 19:02:00,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-09 19:02:00,743 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:00,833 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 169 proven. 3 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-09 19:02:01,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:01,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 2097 states and 2483 transitions. [2018-12-09 19:02:01,182 INFO L276 IsEmpty]: Start isEmpty. Operand 2097 states and 2483 transitions. [2018-12-09 19:02:01,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-09 19:02:01,183 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:01,222 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 169 proven. 3 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-09 19:02:01,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:01,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2100 states and 2486 transitions. [2018-12-09 19:02:01,690 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2486 transitions. [2018-12-09 19:02:01,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-12-09 19:02:01,691 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:01,746 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-09 19:02:06,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:06,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 2130 states and 2521 transitions. [2018-12-09 19:02:06,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 2521 transitions. [2018-12-09 19:02:06,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-12-09 19:02:06,795 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:06,826 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-09 19:02:07,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:07,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2534 states to 2142 states and 2534 transitions. [2018-12-09 19:02:07,308 INFO L276 IsEmpty]: Start isEmpty. Operand 2142 states and 2534 transitions. [2018-12-09 19:02:07,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-12-09 19:02:07,309 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:07,345 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-09 19:02:07,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:07,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2537 states to 2145 states and 2537 transitions. [2018-12-09 19:02:07,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2537 transitions. [2018-12-09 19:02:07,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-12-09 19:02:07,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:07,743 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-09 19:02:08,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:08,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2543 states to 2150 states and 2543 transitions. [2018-12-09 19:02:08,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 2543 transitions. [2018-12-09 19:02:08,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-12-09 19:02:08,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:08,345 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-12-09 19:02:08,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:08,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2543 states to 2151 states and 2543 transitions. [2018-12-09 19:02:08,832 INFO L276 IsEmpty]: Start isEmpty. Operand 2151 states and 2543 transitions. [2018-12-09 19:02:08,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-12-09 19:02:08,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:08,865 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-12-09 19:02:10,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:10,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2553 states to 2158 states and 2553 transitions. [2018-12-09 19:02:10,117 INFO L276 IsEmpty]: Start isEmpty. Operand 2158 states and 2553 transitions. [2018-12-09 19:02:10,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-09 19:02:10,118 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:10,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:10,153 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-09 19:02:10,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:10,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2554 states to 2159 states and 2554 transitions. [2018-12-09 19:02:10,383 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 2554 transitions. [2018-12-09 19:02:10,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-09 19:02:10,384 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:10,921 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 19:02:12,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:12,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2635 states to 2237 states and 2635 transitions. [2018-12-09 19:02:12,058 INFO L276 IsEmpty]: Start isEmpty. Operand 2237 states and 2635 transitions. [2018-12-09 19:02:12,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-12-09 19:02:12,059 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:12,092 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-12-09 19:02:15,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:15,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2657 states to 2257 states and 2657 transitions. [2018-12-09 19:02:15,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 2657 transitions. [2018-12-09 19:02:15,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-12-09 19:02:15,570 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:15,606 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-09 19:02:15,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:15,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2263 states and 2663 transitions. [2018-12-09 19:02:15,653 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 2663 transitions. [2018-12-09 19:02:15,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-09 19:02:15,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:15,822 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-09 19:02:16,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:16,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2703 states to 2302 states and 2703 transitions. [2018-12-09 19:02:16,446 INFO L276 IsEmpty]: Start isEmpty. Operand 2302 states and 2703 transitions. [2018-12-09 19:02:16,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-09 19:02:16,447 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:17,660 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 250 proven. 28 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-09 19:02:20,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:20,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2729 states to 2322 states and 2729 transitions. [2018-12-09 19:02:20,730 INFO L276 IsEmpty]: Start isEmpty. Operand 2322 states and 2729 transitions. [2018-12-09 19:02:20,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-09 19:02:20,731 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:20,779 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-09 19:02:23,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:23,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2344 states and 2755 transitions. [2018-12-09 19:02:23,147 INFO L276 IsEmpty]: Start isEmpty. Operand 2344 states and 2755 transitions. [2018-12-09 19:02:23,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-09 19:02:23,148 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:23,200 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-09 19:02:23,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:23,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2757 states to 2346 states and 2757 transitions. [2018-12-09 19:02:23,947 INFO L276 IsEmpty]: Start isEmpty. Operand 2346 states and 2757 transitions. [2018-12-09 19:02:23,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-09 19:02:23,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:24,313 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-09 19:02:25,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:25,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2776 states to 2362 states and 2776 transitions. [2018-12-09 19:02:25,961 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2776 transitions. [2018-12-09 19:02:25,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-09 19:02:25,962 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:26,030 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-09 19:02:28,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:28,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2427 states and 2852 transitions. [2018-12-09 19:02:28,746 INFO L276 IsEmpty]: Start isEmpty. Operand 2427 states and 2852 transitions. [2018-12-09 19:02:28,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-09 19:02:28,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:28,803 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-09 19:02:29,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:29,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2859 states to 2433 states and 2859 transitions. [2018-12-09 19:02:29,464 INFO L276 IsEmpty]: Start isEmpty. Operand 2433 states and 2859 transitions. [2018-12-09 19:02:29,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-09 19:02:29,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:29,525 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-09 19:02:30,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:30,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2862 states to 2437 states and 2862 transitions. [2018-12-09 19:02:30,367 INFO L276 IsEmpty]: Start isEmpty. Operand 2437 states and 2862 transitions. [2018-12-09 19:02:30,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-09 19:02:30,368 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:30,464 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 215 proven. 3 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 19:02:32,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:32,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2896 states to 2462 states and 2896 transitions. [2018-12-09 19:02:32,218 INFO L276 IsEmpty]: Start isEmpty. Operand 2462 states and 2896 transitions. [2018-12-09 19:02:32,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-09 19:02:32,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:32,311 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 215 proven. 3 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 19:02:32,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:32,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 2465 states and 2899 transitions. [2018-12-09 19:02:32,863 INFO L276 IsEmpty]: Start isEmpty. Operand 2465 states and 2899 transitions. [2018-12-09 19:02:32,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-09 19:02:32,864 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:32,965 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 215 proven. 3 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 19:02:33,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:33,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 2468 states and 2902 transitions. [2018-12-09 19:02:33,502 INFO L276 IsEmpty]: Start isEmpty. Operand 2468 states and 2902 transitions. [2018-12-09 19:02:33,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-09 19:02:33,503 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:33,594 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 215 proven. 3 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 19:02:34,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:34,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2483 states and 2920 transitions. [2018-12-09 19:02:34,931 INFO L276 IsEmpty]: Start isEmpty. Operand 2483 states and 2920 transitions. [2018-12-09 19:02:34,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-09 19:02:34,932 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:35,023 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 215 proven. 3 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 19:02:35,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:35,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2486 states and 2923 transitions. [2018-12-09 19:02:35,527 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 2923 transitions. [2018-12-09 19:02:35,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-12-09 19:02:35,528 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:35,587 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 219 proven. 1 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-09 19:02:38,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:38,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2951 states to 2508 states and 2951 transitions. [2018-12-09 19:02:38,091 INFO L276 IsEmpty]: Start isEmpty. Operand 2508 states and 2951 transitions. [2018-12-09 19:02:38,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-12-09 19:02:38,093 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:38,161 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 219 proven. 1 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-09 19:02:41,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:41,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2973 states to 2524 states and 2973 transitions. [2018-12-09 19:02:41,175 INFO L276 IsEmpty]: Start isEmpty. Operand 2524 states and 2973 transitions. [2018-12-09 19:02:41,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-12-09 19:02:41,177 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:41,232 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 219 proven. 1 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-09 19:02:41,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:41,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2976 states to 2527 states and 2976 transitions. [2018-12-09 19:02:41,842 INFO L276 IsEmpty]: Start isEmpty. Operand 2527 states and 2976 transitions. [2018-12-09 19:02:41,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-12-09 19:02:41,843 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:41,894 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 219 proven. 1 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-09 19:02:42,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:42,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2979 states to 2530 states and 2979 transitions. [2018-12-09 19:02:42,471 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 2979 transitions. [2018-12-09 19:02:42,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-09 19:02:42,473 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:42,622 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 264 proven. 42 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-09 19:02:43,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:43,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2537 states and 2988 transitions. [2018-12-09 19:02:43,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 2988 transitions. [2018-12-09 19:02:43,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-09 19:02:43,374 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:43,467 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 260 proven. 4 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-09 19:02:45,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:45,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3004 states to 2550 states and 3004 transitions. [2018-12-09 19:02:45,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 3004 transitions. [2018-12-09 19:02:45,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-09 19:02:45,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:45,413 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 260 proven. 4 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-09 19:02:45,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:45,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 2555 states and 3010 transitions. [2018-12-09 19:02:45,874 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 3010 transitions. [2018-12-09 19:02:45,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-09 19:02:45,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:45,924 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 260 proven. 4 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-09 19:02:46,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:46,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3011 states to 2556 states and 3011 transitions. [2018-12-09 19:02:46,418 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 3011 transitions. [2018-12-09 19:02:46,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-09 19:02:46,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:46,468 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 260 proven. 4 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-09 19:02:46,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:46,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3011 states to 2557 states and 3011 transitions. [2018-12-09 19:02:46,958 INFO L276 IsEmpty]: Start isEmpty. Operand 2557 states and 3011 transitions. [2018-12-09 19:02:46,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-09 19:02:46,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:47,007 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 260 proven. 4 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-09 19:02:47,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:47,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3011 states to 2558 states and 3011 transitions. [2018-12-09 19:02:47,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2558 states and 3011 transitions. [2018-12-09 19:02:47,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-09 19:02:47,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:47,986 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-12-09 19:02:48,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:48,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3018 states to 2564 states and 3018 transitions. [2018-12-09 19:02:48,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 3018 transitions. [2018-12-09 19:02:48,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-09 19:02:48,692 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:48,732 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-09 19:02:51,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:51,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3038 states to 2582 states and 3038 transitions. [2018-12-09 19:02:51,162 INFO L276 IsEmpty]: Start isEmpty. Operand 2582 states and 3038 transitions. [2018-12-09 19:02:51,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-09 19:02:51,164 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:51,240 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 237 proven. 16 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 19:02:55,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:55,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3083 states to 2616 states and 3083 transitions. [2018-12-09 19:02:55,132 INFO L276 IsEmpty]: Start isEmpty. Operand 2616 states and 3083 transitions. [2018-12-09 19:02:55,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-09 19:02:55,133 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:55,205 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 237 proven. 16 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 19:02:56,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:56,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3092 states to 2624 states and 3092 transitions. [2018-12-09 19:02:56,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 3092 transitions. [2018-12-09 19:02:56,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-09 19:02:56,425 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:56,500 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 237 proven. 16 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 19:02:58,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:58,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3113 states to 2640 states and 3113 transitions. [2018-12-09 19:02:58,100 INFO L276 IsEmpty]: Start isEmpty. Operand 2640 states and 3113 transitions. [2018-12-09 19:02:58,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-09 19:02:58,102 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:58,188 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 237 proven. 16 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 19:02:58,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:58,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3116 states to 2643 states and 3116 transitions. [2018-12-09 19:02:58,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2643 states and 3116 transitions. [2018-12-09 19:02:58,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-09 19:02:58,730 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:58,856 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 237 proven. 16 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 19:02:59,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:02:59,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3119 states to 2646 states and 3119 transitions. [2018-12-09 19:02:59,634 INFO L276 IsEmpty]: Start isEmpty. Operand 2646 states and 3119 transitions. [2018-12-09 19:02:59,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-09 19:02:59,636 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:02:59,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:02:59,707 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 232 proven. 10 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-12-09 19:03:00,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:00,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3131 states to 2657 states and 3131 transitions. [2018-12-09 19:03:00,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2657 states and 3131 transitions. [2018-12-09 19:03:00,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-09 19:03:00,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:00,651 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 232 proven. 10 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-12-09 19:03:01,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:01,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3143 states to 2671 states and 3143 transitions. [2018-12-09 19:03:01,849 INFO L276 IsEmpty]: Start isEmpty. Operand 2671 states and 3143 transitions. [2018-12-09 19:03:01,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-09 19:03:01,851 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:01,889 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 231 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2018-12-09 19:03:04,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:04,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3161 states to 2687 states and 3161 transitions. [2018-12-09 19:03:04,231 INFO L276 IsEmpty]: Start isEmpty. Operand 2687 states and 3161 transitions. [2018-12-09 19:03:04,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-12-09 19:03:04,232 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:04,270 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-12-09 19:03:05,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:05,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 2693 states and 3168 transitions. [2018-12-09 19:03:05,845 INFO L276 IsEmpty]: Start isEmpty. Operand 2693 states and 3168 transitions. [2018-12-09 19:03:05,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-12-09 19:03:05,847 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:05,885 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-12-09 19:03:06,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:06,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 2694 states and 3168 transitions. [2018-12-09 19:03:06,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2694 states and 3168 transitions. [2018-12-09 19:03:06,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-12-09 19:03:06,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:06,383 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-12-09 19:03:06,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:06,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 2695 states and 3168 transitions. [2018-12-09 19:03:06,869 INFO L276 IsEmpty]: Start isEmpty. Operand 2695 states and 3168 transitions. [2018-12-09 19:03:06,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-09 19:03:06,870 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:06,916 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 243 proven. 3 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-09 19:03:06,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:06,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 2706 states and 3178 transitions. [2018-12-09 19:03:06,980 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3178 transitions. [2018-12-09 19:03:06,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-12-09 19:03:06,981 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:07,113 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-09 19:03:11,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:11,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3212 states to 2737 states and 3212 transitions. [2018-12-09 19:03:11,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 3212 transitions. [2018-12-09 19:03:11,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-12-09 19:03:11,259 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:11,457 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-09 19:03:11,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:11,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3216 states to 2739 states and 3216 transitions. [2018-12-09 19:03:11,990 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3216 transitions. [2018-12-09 19:03:11,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-12-09 19:03:11,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:12,117 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-09 19:03:14,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:14,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 2767 states and 3244 transitions. [2018-12-09 19:03:14,896 INFO L276 IsEmpty]: Start isEmpty. Operand 2767 states and 3244 transitions. [2018-12-09 19:03:14,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-12-09 19:03:14,898 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:15,040 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-09 19:03:15,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:15,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3245 states to 2768 states and 3245 transitions. [2018-12-09 19:03:15,657 INFO L276 IsEmpty]: Start isEmpty. Operand 2768 states and 3245 transitions. [2018-12-09 19:03:15,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-12-09 19:03:15,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:15,813 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-09 19:03:17,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:17,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3271 states to 2794 states and 3271 transitions. [2018-12-09 19:03:17,075 INFO L276 IsEmpty]: Start isEmpty. Operand 2794 states and 3271 transitions. [2018-12-09 19:03:17,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-09 19:03:17,076 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:17,447 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 303 proven. 4 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-12-09 19:03:21,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:21,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3349 states to 2852 states and 3349 transitions. [2018-12-09 19:03:21,789 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3349 transitions. [2018-12-09 19:03:21,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-09 19:03:21,790 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:21,867 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 303 proven. 4 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-12-09 19:03:23,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:23,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3350 states to 2854 states and 3350 transitions. [2018-12-09 19:03:23,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2854 states and 3350 transitions. [2018-12-09 19:03:23,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-09 19:03:23,020 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:23,172 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 303 proven. 4 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-12-09 19:03:25,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:25,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3358 states to 2860 states and 3358 transitions. [2018-12-09 19:03:25,080 INFO L276 IsEmpty]: Start isEmpty. Operand 2860 states and 3358 transitions. [2018-12-09 19:03:25,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-09 19:03:25,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:25,160 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 303 proven. 4 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-12-09 19:03:25,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:25,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3364 states to 2864 states and 3364 transitions. [2018-12-09 19:03:25,771 INFO L276 IsEmpty]: Start isEmpty. Operand 2864 states and 3364 transitions. [2018-12-09 19:03:25,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-09 19:03:25,772 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:25,866 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 303 proven. 4 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-12-09 19:03:26,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:26,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3364 states to 2865 states and 3364 transitions. [2018-12-09 19:03:26,422 INFO L276 IsEmpty]: Start isEmpty. Operand 2865 states and 3364 transitions. [2018-12-09 19:03:26,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-09 19:03:26,423 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:26,507 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 303 proven. 4 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-12-09 19:03:27,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:27,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3364 states to 2866 states and 3364 transitions. [2018-12-09 19:03:27,058 INFO L276 IsEmpty]: Start isEmpty. Operand 2866 states and 3364 transitions. [2018-12-09 19:03:27,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-09 19:03:27,059 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:27,167 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-09 19:03:30,910 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2018-12-09 19:03:34,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:34,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3423 states to 2924 states and 3423 transitions. [2018-12-09 19:03:34,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2924 states and 3423 transitions. [2018-12-09 19:03:34,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-09 19:03:34,849 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:34,939 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-09 19:03:35,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:35,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3422 states to 2924 states and 3422 transitions. [2018-12-09 19:03:35,624 INFO L276 IsEmpty]: Start isEmpty. Operand 2924 states and 3422 transitions. [2018-12-09 19:03:35,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-09 19:03:35,625 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:35,715 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-09 19:03:36,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:36,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 2891 states and 3388 transitions. [2018-12-09 19:03:36,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2891 states and 3388 transitions. [2018-12-09 19:03:36,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-09 19:03:36,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:36,442 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-09 19:03:37,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:37,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3392 states to 2895 states and 3392 transitions. [2018-12-09 19:03:37,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2895 states and 3392 transitions. [2018-12-09 19:03:37,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-09 19:03:37,075 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:37,122 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-09 19:03:37,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:37,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3396 states to 2899 states and 3396 transitions. [2018-12-09 19:03:37,696 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 3396 transitions. [2018-12-09 19:03:37,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-09 19:03:37,697 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:37,777 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 255 proven. 5 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-09 19:03:41,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:41,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3461 states to 2960 states and 3461 transitions. [2018-12-09 19:03:41,882 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 3461 transitions. [2018-12-09 19:03:41,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-09 19:03:41,885 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:41,963 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 255 proven. 5 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-09 19:03:43,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:43,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3486 states to 2984 states and 3486 transitions. [2018-12-09 19:03:43,451 INFO L276 IsEmpty]: Start isEmpty. Operand 2984 states and 3486 transitions. [2018-12-09 19:03:43,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-09 19:03:43,452 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:43,582 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 255 proven. 5 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-09 19:03:44,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:44,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3487 states to 2985 states and 3487 transitions. [2018-12-09 19:03:44,265 INFO L276 IsEmpty]: Start isEmpty. Operand 2985 states and 3487 transitions. [2018-12-09 19:03:44,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-09 19:03:44,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:44,337 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 255 proven. 5 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-09 19:03:45,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:45,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3492 states to 2991 states and 3492 transitions. [2018-12-09 19:03:45,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2991 states and 3492 transitions. [2018-12-09 19:03:45,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-12-09 19:03:45,436 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:47,051 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 304 proven. 61 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-09 19:03:52,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:52,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3534 states to 3030 states and 3534 transitions. [2018-12-09 19:03:52,227 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3534 transitions. [2018-12-09 19:03:52,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-09 19:03:52,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:52,918 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 306 proven. 68 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-09 19:03:53,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:03:53,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3556 states to 3051 states and 3556 transitions. [2018-12-09 19:03:53,918 INFO L276 IsEmpty]: Start isEmpty. Operand 3051 states and 3556 transitions. [2018-12-09 19:03:53,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-09 19:03:53,921 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:03:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:03:56,711 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 19:04:08,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:04:08,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3637 states to 3124 states and 3637 transitions. [2018-12-09 19:04:08,565 INFO L276 IsEmpty]: Start isEmpty. Operand 3124 states and 3637 transitions. [2018-12-09 19:04:08,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-09 19:04:08,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:04:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:04:08,707 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 19:04:16,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:04:16,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3671 states to 3159 states and 3671 transitions. [2018-12-09 19:04:16,270 INFO L276 IsEmpty]: Start isEmpty. Operand 3159 states and 3671 transitions. [2018-12-09 19:04:16,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-09 19:04:16,272 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:04:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:04:16,414 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 19:04:18,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:04:18,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3674 states to 3162 states and 3674 transitions. [2018-12-09 19:04:18,213 INFO L276 IsEmpty]: Start isEmpty. Operand 3162 states and 3674 transitions. [2018-12-09 19:04:18,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-12-09 19:04:18,215 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:04:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:04:18,265 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-09 19:04:18,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:04:18,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3675 states to 3163 states and 3675 transitions. [2018-12-09 19:04:18,588 INFO L276 IsEmpty]: Start isEmpty. Operand 3163 states and 3675 transitions. [2018-12-09 19:04:18,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-12-09 19:04:18,590 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:04:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:04:19,473 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 348 proven. 29 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-09 19:04:24,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:04:24,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3718 states to 3204 states and 3718 transitions. [2018-12-09 19:04:24,429 INFO L276 IsEmpty]: Start isEmpty. Operand 3204 states and 3718 transitions. [2018-12-09 19:04:24,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-09 19:04:24,432 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:04:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:04:24,486 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 19:04:24,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:04:24,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3719 states to 3205 states and 3719 transitions. [2018-12-09 19:04:24,532 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 3719 transitions. [2018-12-09 19:04:24,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-12-09 19:04:24,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:04:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:04:24,715 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 321 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-09 19:04:26,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:04:26,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3734 states to 3216 states and 3734 transitions. [2018-12-09 19:04:26,424 INFO L276 IsEmpty]: Start isEmpty. Operand 3216 states and 3734 transitions. [2018-12-09 19:04:26,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-12-09 19:04:26,426 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:04:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:04:26,577 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 321 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-09 19:04:27,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:04:27,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3738 states to 3220 states and 3738 transitions. [2018-12-09 19:04:27,192 INFO L276 IsEmpty]: Start isEmpty. Operand 3220 states and 3738 transitions. [2018-12-09 19:04:27,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-12-09 19:04:27,194 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:04:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:04:27,348 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 321 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-09 19:04:28,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:04:28,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 3224 states and 3743 transitions. [2018-12-09 19:04:28,047 INFO L276 IsEmpty]: Start isEmpty. Operand 3224 states and 3743 transitions. [2018-12-09 19:04:28,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-12-09 19:04:28,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:04:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:04:28,219 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 321 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-09 19:04:28,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:04:28,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3744 states to 3226 states and 3744 transitions. [2018-12-09 19:04:28,350 INFO L276 IsEmpty]: Start isEmpty. Operand 3226 states and 3744 transitions. [2018-12-09 19:04:28,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-12-09 19:04:28,352 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:04:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:04:28,685 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-09 19:04:36,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:04:36,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3851 states to 3321 states and 3851 transitions. [2018-12-09 19:04:36,764 INFO L276 IsEmpty]: Start isEmpty. Operand 3321 states and 3851 transitions. [2018-12-09 19:04:36,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-12-09 19:04:36,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:04:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:04:36,883 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-09 19:04:39,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:04:39,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3882 states to 3348 states and 3882 transitions. [2018-12-09 19:04:39,068 INFO L276 IsEmpty]: Start isEmpty. Operand 3348 states and 3882 transitions. [2018-12-09 19:04:39,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-12-09 19:04:39,070 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:04:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:04:39,185 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-09 19:04:40,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:04:40,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3884 states to 3351 states and 3884 transitions. [2018-12-09 19:04:40,315 INFO L276 IsEmpty]: Start isEmpty. Operand 3351 states and 3884 transitions. [2018-12-09 19:04:40,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-12-09 19:04:40,316 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:04:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:04:40,432 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-09 19:04:42,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:04:42,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3886 states to 3355 states and 3886 transitions. [2018-12-09 19:04:42,115 INFO L276 IsEmpty]: Start isEmpty. Operand 3355 states and 3886 transitions. [2018-12-09 19:04:42,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-09 19:04:42,116 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:04:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:04:42,563 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-09 19:04:47,479 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-09 19:04:49,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:04:49,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3967 states to 3430 states and 3967 transitions. [2018-12-09 19:04:49,913 INFO L276 IsEmpty]: Start isEmpty. Operand 3430 states and 3967 transitions. [2018-12-09 19:04:49,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-09 19:04:49,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:04:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:04:50,013 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-09 19:04:54,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:04:54,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3996 states to 3460 states and 3996 transitions. [2018-12-09 19:04:54,852 INFO L276 IsEmpty]: Start isEmpty. Operand 3460 states and 3996 transitions. [2018-12-09 19:04:54,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-09 19:04:54,855 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:04:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:04:54,956 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-09 19:04:56,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:04:56,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3998 states to 3463 states and 3998 transitions. [2018-12-09 19:04:56,614 INFO L276 IsEmpty]: Start isEmpty. Operand 3463 states and 3998 transitions. [2018-12-09 19:04:56,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-09 19:04:56,616 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:04:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:04:56,715 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-09 19:04:57,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:04:57,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4000 states to 3466 states and 4000 transitions. [2018-12-09 19:04:57,688 INFO L276 IsEmpty]: Start isEmpty. Operand 3466 states and 4000 transitions. [2018-12-09 19:04:57,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-09 19:04:57,689 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:04:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:04:57,825 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-09 19:05:02,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:05:02,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4034 states to 3491 states and 4034 transitions. [2018-12-09 19:05:02,160 INFO L276 IsEmpty]: Start isEmpty. Operand 3491 states and 4034 transitions. [2018-12-09 19:05:02,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-09 19:05:02,161 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:05:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:05:02,227 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-09 19:05:03,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:05:03,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4042 states to 3496 states and 4042 transitions. [2018-12-09 19:05:03,421 INFO L276 IsEmpty]: Start isEmpty. Operand 3496 states and 4042 transitions. [2018-12-09 19:05:03,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-12-09 19:05:03,423 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:05:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:05:04,119 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 19:05:18,716 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-09 19:05:20,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:05:20,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4133 states to 3579 states and 4133 transitions. [2018-12-09 19:05:20,670 INFO L276 IsEmpty]: Start isEmpty. Operand 3579 states and 4133 transitions. [2018-12-09 19:05:20,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-12-09 19:05:20,672 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:05:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:05:20,815 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 19:05:23,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:05:23,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4160 states to 3606 states and 4160 transitions. [2018-12-09 19:05:23,493 INFO L276 IsEmpty]: Start isEmpty. Operand 3606 states and 4160 transitions. [2018-12-09 19:05:23,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-12-09 19:05:23,496 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:05:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:05:23,715 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 19:05:24,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:05:24,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4162 states to 3609 states and 4162 transitions. [2018-12-09 19:05:24,882 INFO L276 IsEmpty]: Start isEmpty. Operand 3609 states and 4162 transitions. [2018-12-09 19:05:24,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-12-09 19:05:24,884 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:05:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:05:25,025 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 19:05:26,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:05:26,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4164 states to 3612 states and 4164 transitions. [2018-12-09 19:05:26,447 INFO L276 IsEmpty]: Start isEmpty. Operand 3612 states and 4164 transitions. [2018-12-09 19:05:26,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-12-09 19:05:26,449 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:05:26,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:05:26,546 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 353 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-09 19:05:28,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:05:28,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4188 states to 3633 states and 4188 transitions. [2018-12-09 19:05:28,670 INFO L276 IsEmpty]: Start isEmpty. Operand 3633 states and 4188 transitions. [2018-12-09 19:05:28,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-12-09 19:05:28,672 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:05:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:05:28,771 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 353 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-09 19:05:31,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:05:31,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4190 states to 3636 states and 4190 transitions. [2018-12-09 19:05:31,669 INFO L276 IsEmpty]: Start isEmpty. Operand 3636 states and 4190 transitions. [2018-12-09 19:05:31,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-12-09 19:05:31,671 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:05:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:05:31,766 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 353 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-09 19:05:32,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:05:32,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4192 states to 3638 states and 4192 transitions. [2018-12-09 19:05:32,251 INFO L276 IsEmpty]: Start isEmpty. Operand 3638 states and 4192 transitions. [2018-12-09 19:05:32,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-12-09 19:05:32,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:05:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:05:32,402 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 378 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-09 19:05:34,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:05:34,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4230 states to 3676 states and 4230 transitions. [2018-12-09 19:05:34,016 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 4230 transitions. [2018-12-09 19:05:34,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-09 19:05:34,018 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:05:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:05:34,097 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 310 proven. 10 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-09 19:05:34,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:05:34,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4239 states to 3685 states and 4239 transitions. [2018-12-09 19:05:34,866 INFO L276 IsEmpty]: Start isEmpty. Operand 3685 states and 4239 transitions. [2018-12-09 19:05:34,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-09 19:05:34,868 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:05:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:05:35,216 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-09 19:05:39,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:05:39,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 3723 states and 4281 transitions. [2018-12-09 19:05:39,223 INFO L276 IsEmpty]: Start isEmpty. Operand 3723 states and 4281 transitions. [2018-12-09 19:05:39,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-12-09 19:05:39,225 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:05:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:05:39,323 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 315 proven. 10 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-09 19:05:39,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:05:39,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4295 states to 3738 states and 4295 transitions. [2018-12-09 19:05:39,472 INFO L276 IsEmpty]: Start isEmpty. Operand 3738 states and 4295 transitions. [2018-12-09 19:05:39,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-12-09 19:05:39,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:05:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:05:39,523 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-09 19:05:40,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:05:40,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4299 states to 3742 states and 4299 transitions. [2018-12-09 19:05:40,200 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4299 transitions. [2018-12-09 19:05:40,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 19:05:40,202 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:05:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:05:40,329 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 310 proven. 3 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-12-09 19:05:41,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:05:41,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4299 states to 3743 states and 4299 transitions. [2018-12-09 19:05:41,340 INFO L276 IsEmpty]: Start isEmpty. Operand 3743 states and 4299 transitions. [2018-12-09 19:05:41,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 19:05:41,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:05:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:05:41,465 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 310 proven. 3 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-12-09 19:05:45,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:05:45,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4301 states to 3745 states and 4301 transitions. [2018-12-09 19:05:45,244 INFO L276 IsEmpty]: Start isEmpty. Operand 3745 states and 4301 transitions. [2018-12-09 19:05:45,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-12-09 19:05:45,245 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:05:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:05:45,350 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 383 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-09 19:05:45,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:05:45,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4307 states to 3749 states and 4307 transitions. [2018-12-09 19:05:45,974 INFO L276 IsEmpty]: Start isEmpty. Operand 3749 states and 4307 transitions. [2018-12-09 19:05:45,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-12-09 19:05:45,975 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:05:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:05:46,113 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 317 proven. 15 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-09 19:05:48,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:05:48,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4321 states to 3759 states and 4321 transitions. [2018-12-09 19:05:48,200 INFO L276 IsEmpty]: Start isEmpty. Operand 3759 states and 4321 transitions. [2018-12-09 19:05:48,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-12-09 19:05:48,202 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:05:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:05:48,273 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 317 proven. 15 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-09 19:05:49,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:05:49,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4326 states to 3763 states and 4326 transitions. [2018-12-09 19:05:49,362 INFO L276 IsEmpty]: Start isEmpty. Operand 3763 states and 4326 transitions. [2018-12-09 19:05:49,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-12-09 19:05:49,365 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:05:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:05:49,441 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 317 proven. 15 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-09 19:05:50,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:05:50,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4329 states to 3766 states and 4329 transitions. [2018-12-09 19:05:50,152 INFO L276 IsEmpty]: Start isEmpty. Operand 3766 states and 4329 transitions. [2018-12-09 19:05:50,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-12-09 19:05:50,154 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:05:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:05:51,735 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 430 proven. 63 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-09 19:05:55,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:05:55,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4347 states to 3780 states and 4347 transitions. [2018-12-09 19:05:55,217 INFO L276 IsEmpty]: Start isEmpty. Operand 3780 states and 4347 transitions. [2018-12-09 19:05:55,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-12-09 19:05:55,220 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:05:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:05:55,313 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 326 proven. 15 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2018-12-09 19:05:56,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:05:56,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4354 states to 3783 states and 4354 transitions. [2018-12-09 19:05:56,238 INFO L276 IsEmpty]: Start isEmpty. Operand 3783 states and 4354 transitions. [2018-12-09 19:05:56,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-12-09 19:05:56,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:05:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:05:56,330 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 326 proven. 15 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2018-12-09 19:05:57,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:05:57,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4361 states to 3789 states and 4361 transitions. [2018-12-09 19:05:57,999 INFO L276 IsEmpty]: Start isEmpty. Operand 3789 states and 4361 transitions. [2018-12-09 19:05:58,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-09 19:05:58,001 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:05:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:01,050 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-09 19:06:08,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:08,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4427 states to 3855 states and 4427 transitions. [2018-12-09 19:06:08,193 INFO L276 IsEmpty]: Start isEmpty. Operand 3855 states and 4427 transitions. [2018-12-09 19:06:08,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-09 19:06:08,195 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:08,267 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 328 proven. 6 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-09 19:06:10,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:10,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4439 states to 3864 states and 4439 transitions. [2018-12-09 19:06:10,656 INFO L276 IsEmpty]: Start isEmpty. Operand 3864 states and 4439 transitions. [2018-12-09 19:06:10,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-09 19:06:10,659 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:10,810 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 328 proven. 6 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-09 19:06:12,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:12,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4448 states to 3870 states and 4448 transitions. [2018-12-09 19:06:12,997 INFO L276 IsEmpty]: Start isEmpty. Operand 3870 states and 4448 transitions. [2018-12-09 19:06:12,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-09 19:06:12,999 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:13,072 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 328 proven. 6 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-09 19:06:13,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:13,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4448 states to 3871 states and 4448 transitions. [2018-12-09 19:06:13,799 INFO L276 IsEmpty]: Start isEmpty. Operand 3871 states and 4448 transitions. [2018-12-09 19:06:13,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-09 19:06:13,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:13,873 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 328 proven. 6 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-09 19:06:14,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:14,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4448 states to 3872 states and 4448 transitions. [2018-12-09 19:06:14,702 INFO L276 IsEmpty]: Start isEmpty. Operand 3872 states and 4448 transitions. [2018-12-09 19:06:14,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-09 19:06:14,704 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:14,775 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 328 proven. 6 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-09 19:06:15,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:15,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4448 states to 3873 states and 4448 transitions. [2018-12-09 19:06:15,476 INFO L276 IsEmpty]: Start isEmpty. Operand 3873 states and 4448 transitions. [2018-12-09 19:06:15,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-09 19:06:15,478 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:15,550 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 328 proven. 6 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-09 19:06:16,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:16,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4448 states to 3874 states and 4448 transitions. [2018-12-09 19:06:16,389 INFO L276 IsEmpty]: Start isEmpty. Operand 3874 states and 4448 transitions. [2018-12-09 19:06:16,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2018-12-09 19:06:16,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:16,548 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2018-12-09 19:06:17,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:17,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4449 states to 3876 states and 4449 transitions. [2018-12-09 19:06:17,606 INFO L276 IsEmpty]: Start isEmpty. Operand 3876 states and 4449 transitions. [2018-12-09 19:06:17,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-12-09 19:06:17,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:18,385 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 469 proven. 110 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-09 19:06:20,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:20,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4455 states to 3883 states and 4455 transitions. [2018-12-09 19:06:20,585 INFO L276 IsEmpty]: Start isEmpty. Operand 3883 states and 4455 transitions. [2018-12-09 19:06:20,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2018-12-09 19:06:20,588 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:20,710 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 439 proven. 4 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-12-09 19:06:21,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:21,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4459 states to 3887 states and 4459 transitions. [2018-12-09 19:06:21,430 INFO L276 IsEmpty]: Start isEmpty. Operand 3887 states and 4459 transitions. [2018-12-09 19:06:21,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2018-12-09 19:06:21,432 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:21,563 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 439 proven. 4 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-12-09 19:06:22,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:22,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4463 states to 3891 states and 4463 transitions. [2018-12-09 19:06:22,291 INFO L276 IsEmpty]: Start isEmpty. Operand 3891 states and 4463 transitions. [2018-12-09 19:06:22,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-09 19:06:22,293 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:22,452 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 473 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-09 19:06:23,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:23,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4474 states to 3900 states and 4474 transitions. [2018-12-09 19:06:23,612 INFO L276 IsEmpty]: Start isEmpty. Operand 3900 states and 4474 transitions. [2018-12-09 19:06:23,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-09 19:06:23,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:23,832 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 473 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-09 19:06:23,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:23,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4477 states to 3903 states and 4477 transitions. [2018-12-09 19:06:23,964 INFO L276 IsEmpty]: Start isEmpty. Operand 3903 states and 4477 transitions. [2018-12-09 19:06:23,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-09 19:06:23,966 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:24,126 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 473 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-09 19:06:24,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:24,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4480 states to 3906 states and 4480 transitions. [2018-12-09 19:06:24,903 INFO L276 IsEmpty]: Start isEmpty. Operand 3906 states and 4480 transitions. [2018-12-09 19:06:24,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-09 19:06:24,905 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:25,076 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 473 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-09 19:06:25,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:25,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4483 states to 3909 states and 4483 transitions. [2018-12-09 19:06:25,777 INFO L276 IsEmpty]: Start isEmpty. Operand 3909 states and 4483 transitions. [2018-12-09 19:06:25,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-12-09 19:06:25,779 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:25,907 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 374 proven. 6 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2018-12-09 19:06:30,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:30,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4523 states to 3938 states and 4523 transitions. [2018-12-09 19:06:30,100 INFO L276 IsEmpty]: Start isEmpty. Operand 3938 states and 4523 transitions. [2018-12-09 19:06:30,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-12-09 19:06:30,101 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:30,253 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 374 proven. 6 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2018-12-09 19:06:31,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:31,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4526 states to 3941 states and 4526 transitions. [2018-12-09 19:06:31,368 INFO L276 IsEmpty]: Start isEmpty. Operand 3941 states and 4526 transitions. [2018-12-09 19:06:31,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-12-09 19:06:31,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:31,535 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 374 proven. 6 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2018-12-09 19:06:32,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:32,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4532 states to 3947 states and 4532 transitions. [2018-12-09 19:06:32,508 INFO L276 IsEmpty]: Start isEmpty. Operand 3947 states and 4532 transitions. [2018-12-09 19:06:32,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-12-09 19:06:32,510 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:32,642 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 374 proven. 6 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2018-12-09 19:06:33,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:33,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4536 states to 3951 states and 4536 transitions. [2018-12-09 19:06:33,740 INFO L276 IsEmpty]: Start isEmpty. Operand 3951 states and 4536 transitions. [2018-12-09 19:06:33,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-12-09 19:06:33,743 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:33,897 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 374 proven. 6 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2018-12-09 19:06:34,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:34,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4542 states to 3955 states and 4542 transitions. [2018-12-09 19:06:34,847 INFO L276 IsEmpty]: Start isEmpty. Operand 3955 states and 4542 transitions. [2018-12-09 19:06:34,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-12-09 19:06:34,849 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:34,987 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 374 proven. 6 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2018-12-09 19:06:35,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:35,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4547 states to 3959 states and 4547 transitions. [2018-12-09 19:06:35,834 INFO L276 IsEmpty]: Start isEmpty. Operand 3959 states and 4547 transitions. [2018-12-09 19:06:35,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-12-09 19:06:35,836 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:35,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:35,978 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 374 proven. 6 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2018-12-09 19:06:36,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:36,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4548 states to 3961 states and 4548 transitions. [2018-12-09 19:06:36,223 INFO L276 IsEmpty]: Start isEmpty. Operand 3961 states and 4548 transitions. [2018-12-09 19:06:36,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-09 19:06:36,225 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:36,305 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 445 proven. 8 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-09 19:06:37,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:37,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4558 states to 3970 states and 4558 transitions. [2018-12-09 19:06:37,370 INFO L276 IsEmpty]: Start isEmpty. Operand 3970 states and 4558 transitions. [2018-12-09 19:06:37,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-09 19:06:37,373 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:37,460 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 445 proven. 8 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-09 19:06:39,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:39,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4565 states to 3975 states and 4565 transitions. [2018-12-09 19:06:39,106 INFO L276 IsEmpty]: Start isEmpty. Operand 3975 states and 4565 transitions. [2018-12-09 19:06:39,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-09 19:06:39,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:39,188 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 445 proven. 8 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-09 19:06:40,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:40,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4565 states to 3976 states and 4565 transitions. [2018-12-09 19:06:40,006 INFO L276 IsEmpty]: Start isEmpty. Operand 3976 states and 4565 transitions. [2018-12-09 19:06:40,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-09 19:06:40,008 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:40,088 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 445 proven. 8 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-09 19:06:41,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:41,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4565 states to 3977 states and 4565 transitions. [2018-12-09 19:06:41,674 INFO L276 IsEmpty]: Start isEmpty. Operand 3977 states and 4565 transitions. [2018-12-09 19:06:41,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-09 19:06:41,676 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:41,759 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 445 proven. 8 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-09 19:06:42,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:42,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4565 states to 3978 states and 4565 transitions. [2018-12-09 19:06:42,553 INFO L276 IsEmpty]: Start isEmpty. Operand 3978 states and 4565 transitions. [2018-12-09 19:06:42,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-12-09 19:06:42,555 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:42,665 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 391 proven. 15 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2018-12-09 19:06:43,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:43,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4571 states to 3983 states and 4571 transitions. [2018-12-09 19:06:43,154 INFO L276 IsEmpty]: Start isEmpty. Operand 3983 states and 4571 transitions. [2018-12-09 19:06:43,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-12-09 19:06:43,156 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:43,261 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 391 proven. 15 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2018-12-09 19:06:45,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:45,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4597 states to 4003 states and 4597 transitions. [2018-12-09 19:06:45,673 INFO L276 IsEmpty]: Start isEmpty. Operand 4003 states and 4597 transitions. [2018-12-09 19:06:45,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-12-09 19:06:45,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:45,781 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 391 proven. 15 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2018-12-09 19:06:46,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:46,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4597 states to 4004 states and 4597 transitions. [2018-12-09 19:06:46,227 INFO L276 IsEmpty]: Start isEmpty. Operand 4004 states and 4597 transitions. [2018-12-09 19:06:46,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-12-09 19:06:46,229 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:46,412 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 391 proven. 15 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2018-12-09 19:06:47,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:47,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4607 states to 4010 states and 4607 transitions. [2018-12-09 19:06:47,773 INFO L276 IsEmpty]: Start isEmpty. Operand 4010 states and 4607 transitions. [2018-12-09 19:06:47,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-12-09 19:06:47,775 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:47,873 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 391 proven. 15 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2018-12-09 19:06:48,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:48,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4624 states to 4025 states and 4624 transitions. [2018-12-09 19:06:48,025 INFO L276 IsEmpty]: Start isEmpty. Operand 4025 states and 4624 transitions. [2018-12-09 19:06:48,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-12-09 19:06:48,027 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:48,140 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 391 proven. 15 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2018-12-09 19:06:49,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:49,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4634 states to 4033 states and 4634 transitions. [2018-12-09 19:06:49,285 INFO L276 IsEmpty]: Start isEmpty. Operand 4033 states and 4634 transitions. [2018-12-09 19:06:49,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-12-09 19:06:49,287 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:49,398 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 391 proven. 15 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2018-12-09 19:06:50,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:50,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4637 states to 4036 states and 4637 transitions. [2018-12-09 19:06:50,579 INFO L276 IsEmpty]: Start isEmpty. Operand 4036 states and 4637 transitions. [2018-12-09 19:06:50,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-12-09 19:06:50,581 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:50,695 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 391 proven. 15 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2018-12-09 19:06:52,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:52,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4640 states to 4039 states and 4640 transitions. [2018-12-09 19:06:52,106 INFO L276 IsEmpty]: Start isEmpty. Operand 4039 states and 4640 transitions. [2018-12-09 19:06:52,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-12-09 19:06:52,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:52,224 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 391 proven. 15 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2018-12-09 19:06:53,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:53,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4643 states to 4042 states and 4643 transitions. [2018-12-09 19:06:53,120 INFO L276 IsEmpty]: Start isEmpty. Operand 4042 states and 4643 transitions. [2018-12-09 19:06:53,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-12-09 19:06:53,122 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:53,222 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 391 proven. 15 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2018-12-09 19:06:54,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:54,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4646 states to 4045 states and 4646 transitions. [2018-12-09 19:06:54,132 INFO L276 IsEmpty]: Start isEmpty. Operand 4045 states and 4646 transitions. [2018-12-09 19:06:54,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-12-09 19:06:54,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:54,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:54,233 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 391 proven. 15 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2018-12-09 19:06:57,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:57,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4652 states to 4049 states and 4652 transitions. [2018-12-09 19:06:57,017 INFO L276 IsEmpty]: Start isEmpty. Operand 4049 states and 4652 transitions. [2018-12-09 19:06:57,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-12-09 19:06:57,019 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:57,120 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 391 proven. 15 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2018-12-09 19:06:58,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:58,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4655 states to 4052 states and 4655 transitions. [2018-12-09 19:06:58,126 INFO L276 IsEmpty]: Start isEmpty. Operand 4052 states and 4655 transitions. [2018-12-09 19:06:58,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-12-09 19:06:58,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:58,212 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 402 proven. 6 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2018-12-09 19:06:59,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:59,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4666 states to 4063 states and 4666 transitions. [2018-12-09 19:06:59,394 INFO L276 IsEmpty]: Start isEmpty. Operand 4063 states and 4666 transitions. [2018-12-09 19:06:59,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-12-09 19:06:59,396 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:59,491 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 402 proven. 6 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2018-12-09 19:06:59,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:06:59,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4670 states to 4068 states and 4670 transitions. [2018-12-09 19:06:59,590 INFO L276 IsEmpty]: Start isEmpty. Operand 4068 states and 4670 transitions. [2018-12-09 19:06:59,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-09 19:06:59,592 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:06:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:06:59,674 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-12-09 19:07:01,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:01,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4694 states to 4090 states and 4694 transitions. [2018-12-09 19:07:01,459 INFO L276 IsEmpty]: Start isEmpty. Operand 4090 states and 4694 transitions. [2018-12-09 19:07:01,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-09 19:07:01,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:01,534 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-12-09 19:07:02,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:02,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4694 states to 4091 states and 4694 transitions. [2018-12-09 19:07:02,430 INFO L276 IsEmpty]: Start isEmpty. Operand 4091 states and 4694 transitions. [2018-12-09 19:07:02,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-09 19:07:02,432 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:02,506 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-12-09 19:07:03,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:03,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4694 states to 4092 states and 4694 transitions. [2018-12-09 19:07:03,489 INFO L276 IsEmpty]: Start isEmpty. Operand 4092 states and 4694 transitions. [2018-12-09 19:07:03,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-09 19:07:03,491 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:03,564 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-12-09 19:07:04,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:04,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4694 states to 4093 states and 4694 transitions. [2018-12-09 19:07:04,005 INFO L276 IsEmpty]: Start isEmpty. Operand 4093 states and 4694 transitions. [2018-12-09 19:07:04,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-12-09 19:07:04,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:04,660 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 626 proven. 4 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-09 19:07:05,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:05,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4671 states to 4071 states and 4671 transitions. [2018-12-09 19:07:05,824 INFO L276 IsEmpty]: Start isEmpty. Operand 4071 states and 4671 transitions. [2018-12-09 19:07:05,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-12-09 19:07:05,826 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:06,102 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 506 proven. 8 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2018-12-09 19:07:06,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:06,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4674 states to 4074 states and 4674 transitions. [2018-12-09 19:07:06,185 INFO L276 IsEmpty]: Start isEmpty. Operand 4074 states and 4674 transitions. [2018-12-09 19:07:06,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-12-09 19:07:06,187 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:06,364 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 506 proven. 8 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2018-12-09 19:07:06,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:06,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4675 states to 4076 states and 4675 transitions. [2018-12-09 19:07:06,505 INFO L276 IsEmpty]: Start isEmpty. Operand 4076 states and 4675 transitions. [2018-12-09 19:07:06,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-12-09 19:07:06,507 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:06,590 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 578 proven. 8 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2018-12-09 19:07:07,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:07,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4679 states to 4080 states and 4679 transitions. [2018-12-09 19:07:07,335 INFO L276 IsEmpty]: Start isEmpty. Operand 4080 states and 4679 transitions. [2018-12-09 19:07:07,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-12-09 19:07:07,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:07,416 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 578 proven. 8 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2018-12-09 19:07:08,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:08,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4679 states to 4081 states and 4679 transitions. [2018-12-09 19:07:08,261 INFO L276 IsEmpty]: Start isEmpty. Operand 4081 states and 4679 transitions. [2018-12-09 19:07:08,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-12-09 19:07:08,263 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:12,244 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 533 proven. 83 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-12-09 19:07:28,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:28,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4737 states to 4125 states and 4737 transitions. [2018-12-09 19:07:28,721 INFO L276 IsEmpty]: Start isEmpty. Operand 4125 states and 4737 transitions. [2018-12-09 19:07:28,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-12-09 19:07:28,724 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:28,888 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 533 proven. 83 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-12-09 19:07:36,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:36,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4752 states to 4138 states and 4752 transitions. [2018-12-09 19:07:36,629 INFO L276 IsEmpty]: Start isEmpty. Operand 4138 states and 4752 transitions. [2018-12-09 19:07:36,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-12-09 19:07:36,632 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:36,795 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 533 proven. 83 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-12-09 19:07:40,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:40,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4761 states to 4147 states and 4761 transitions. [2018-12-09 19:07:40,702 INFO L276 IsEmpty]: Start isEmpty. Operand 4147 states and 4761 transitions. [2018-12-09 19:07:40,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-09 19:07:40,704 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:40,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:40,783 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 550 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-09 19:07:42,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:42,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4764 states to 4150 states and 4764 transitions. [2018-12-09 19:07:42,107 INFO L276 IsEmpty]: Start isEmpty. Operand 4150 states and 4764 transitions. [2018-12-09 19:07:42,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2018-12-09 19:07:42,109 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 631 proven. 4 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-12-09 19:07:44,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:44,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4790 states to 4174 states and 4790 transitions. [2018-12-09 19:07:44,013 INFO L276 IsEmpty]: Start isEmpty. Operand 4174 states and 4790 transitions. [2018-12-09 19:07:44,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2018-12-09 19:07:44,015 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:44,146 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 631 proven. 4 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-12-09 19:07:45,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:45,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4803 states to 4187 states and 4803 transitions. [2018-12-09 19:07:45,385 INFO L276 IsEmpty]: Start isEmpty. Operand 4187 states and 4803 transitions. [2018-12-09 19:07:45,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2018-12-09 19:07:45,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:45,623 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 631 proven. 4 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-12-09 19:07:46,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:46,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4804 states to 4188 states and 4804 transitions. [2018-12-09 19:07:46,102 INFO L276 IsEmpty]: Start isEmpty. Operand 4188 states and 4804 transitions. [2018-12-09 19:07:46,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2018-12-09 19:07:46,104 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:46,249 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 631 proven. 4 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-12-09 19:07:47,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:47,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4807 states to 4191 states and 4807 transitions. [2018-12-09 19:07:47,136 INFO L276 IsEmpty]: Start isEmpty. Operand 4191 states and 4807 transitions. [2018-12-09 19:07:47,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2018-12-09 19:07:47,138 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:47,274 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 631 proven. 4 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-12-09 19:07:49,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:49,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4820 states to 4204 states and 4820 transitions. [2018-12-09 19:07:49,270 INFO L276 IsEmpty]: Start isEmpty. Operand 4204 states and 4820 transitions. [2018-12-09 19:07:49,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2018-12-09 19:07:49,273 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:50,529 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 460 proven. 157 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-09 19:07:59,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:59,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4866 states to 4243 states and 4866 transitions. [2018-12-09 19:07:59,764 INFO L276 IsEmpty]: Start isEmpty. Operand 4243 states and 4866 transitions. [2018-12-09 19:07:59,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-09 19:07:59,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:59,908 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 671 proven. 4 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-12-09 19:08:00,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:00,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4891 states to 4269 states and 4891 transitions. [2018-12-09 19:08:00,512 INFO L276 IsEmpty]: Start isEmpty. Operand 4269 states and 4891 transitions. [2018-12-09 19:08:00,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-09 19:08:00,514 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:00,661 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 671 proven. 4 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-12-09 19:08:02,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:02,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4901 states to 4277 states and 4901 transitions. [2018-12-09 19:08:02,293 INFO L276 IsEmpty]: Start isEmpty. Operand 4277 states and 4901 transitions. [2018-12-09 19:08:02,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-09 19:08:02,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:02,413 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 485 proven. 20 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2018-12-09 19:08:08,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:08,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4954 states to 4319 states and 4954 transitions. [2018-12-09 19:08:08,897 INFO L276 IsEmpty]: Start isEmpty. Operand 4319 states and 4954 transitions. [2018-12-09 19:08:08,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-09 19:08:08,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:09,122 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 485 proven. 20 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2018-12-09 19:08:21,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:21,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5024 states to 4375 states and 5024 transitions. [2018-12-09 19:08:21,974 INFO L276 IsEmpty]: Start isEmpty. Operand 4375 states and 5024 transitions. [2018-12-09 19:08:21,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-09 19:08:21,977 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:22,101 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 485 proven. 20 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2018-12-09 19:08:22,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:22,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5043 states to 4393 states and 5043 transitions. [2018-12-09 19:08:22,318 INFO L276 IsEmpty]: Start isEmpty. Operand 4393 states and 5043 transitions. [2018-12-09 19:08:22,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-09 19:08:22,321 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:22,445 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 485 proven. 20 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2018-12-09 19:08:24,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:24,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5063 states to 4414 states and 5063 transitions. [2018-12-09 19:08:24,319 INFO L276 IsEmpty]: Start isEmpty. Operand 4414 states and 5063 transitions. [2018-12-09 19:08:24,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-09 19:08:24,322 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:24,565 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 485 proven. 20 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2018-12-09 19:08:25,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:25,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5067 states to 4418 states and 5067 transitions. [2018-12-09 19:08:25,774 INFO L276 IsEmpty]: Start isEmpty. Operand 4418 states and 5067 transitions. [2018-12-09 19:08:25,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-09 19:08:25,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:25,902 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 485 proven. 20 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2018-12-09 19:08:26,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:26,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5070 states to 4421 states and 5070 transitions. [2018-12-09 19:08:26,983 INFO L276 IsEmpty]: Start isEmpty. Operand 4421 states and 5070 transitions. [2018-12-09 19:08:26,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-09 19:08:26,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:27,109 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 485 proven. 20 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2018-12-09 19:08:29,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:29,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5083 states to 4435 states and 5083 transitions. [2018-12-09 19:08:29,353 INFO L276 IsEmpty]: Start isEmpty. Operand 4435 states and 5083 transitions. [2018-12-09 19:08:29,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-09 19:08:29,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:29,488 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 485 proven. 20 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2018-12-09 19:08:30,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:30,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5098 states to 4451 states and 5098 transitions. [2018-12-09 19:08:30,601 INFO L276 IsEmpty]: Start isEmpty. Operand 4451 states and 5098 transitions. [2018-12-09 19:08:30,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-09 19:08:30,603 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:30,721 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 485 proven. 20 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2018-12-09 19:08:32,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:32,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5125 states to 4479 states and 5125 transitions. [2018-12-09 19:08:32,434 INFO L276 IsEmpty]: Start isEmpty. Operand 4479 states and 5125 transitions. [2018-12-09 19:08:32,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-09 19:08:32,437 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:32,659 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 485 proven. 20 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2018-12-09 19:08:37,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:37,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5146 states to 4499 states and 5146 transitions. [2018-12-09 19:08:37,378 INFO L276 IsEmpty]: Start isEmpty. Operand 4499 states and 5146 transitions. [2018-12-09 19:08:37,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-09 19:08:37,380 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:37,509 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 485 proven. 20 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2018-12-09 19:08:39,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:39,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5171 states to 4525 states and 5171 transitions. [2018-12-09 19:08:39,572 INFO L276 IsEmpty]: Start isEmpty. Operand 4525 states and 5171 transitions. [2018-12-09 19:08:39,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-09 19:08:39,575 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:39,697 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 485 proven. 20 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2018-12-09 19:08:39,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:39,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5171 states to 4526 states and 5171 transitions. [2018-12-09 19:08:39,874 INFO L276 IsEmpty]: Start isEmpty. Operand 4526 states and 5171 transitions. [2018-12-09 19:08:39,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-09 19:08:39,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:40,006 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 485 proven. 20 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2018-12-09 19:08:40,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:40,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5181 states to 4537 states and 5181 transitions. [2018-12-09 19:08:40,194 INFO L276 IsEmpty]: Start isEmpty. Operand 4537 states and 5181 transitions. [2018-12-09 19:08:40,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-09 19:08:40,196 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:40,320 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 485 proven. 20 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2018-12-09 19:08:45,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:45,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5197 states to 4550 states and 5197 transitions. [2018-12-09 19:08:45,231 INFO L276 IsEmpty]: Start isEmpty. Operand 4550 states and 5197 transitions. [2018-12-09 19:08:45,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-12-09 19:08:45,234 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:45,993 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2018-12-09 19:09:20,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:20,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5456 states to 4780 states and 5456 transitions. [2018-12-09 19:09:20,263 INFO L276 IsEmpty]: Start isEmpty. Operand 4780 states and 5456 transitions. [2018-12-09 19:09:20,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-12-09 19:09:20,265 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:20,870 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2018-12-09 19:09:53,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:53,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5576 states to 4890 states and 5576 transitions. [2018-12-09 19:09:53,558 INFO L276 IsEmpty]: Start isEmpty. Operand 4890 states and 5576 transitions. [2018-12-09 19:09:53,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-12-09 19:09:53,560 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:54,009 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2018-12-09 19:09:57,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:57,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5609 states to 4920 states and 5609 transitions. [2018-12-09 19:09:57,939 INFO L276 IsEmpty]: Start isEmpty. Operand 4920 states and 5609 transitions. [2018-12-09 19:09:57,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-12-09 19:09:57,942 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:58,453 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2018-12-09 19:10:03,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:03,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5616 states to 4927 states and 5616 transitions. [2018-12-09 19:10:03,149 INFO L276 IsEmpty]: Start isEmpty. Operand 4927 states and 5616 transitions. [2018-12-09 19:10:03,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-12-09 19:10:03,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:03,617 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2018-12-09 19:10:10,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:10,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5667 states to 4978 states and 5667 transitions. [2018-12-09 19:10:10,143 INFO L276 IsEmpty]: Start isEmpty. Operand 4978 states and 5667 transitions. [2018-12-09 19:10:10,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-12-09 19:10:10,146 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:10,609 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2018-12-09 19:10:15,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:15,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5701 states to 5009 states and 5701 transitions. [2018-12-09 19:10:15,931 INFO L276 IsEmpty]: Start isEmpty. Operand 5009 states and 5701 transitions. [2018-12-09 19:10:15,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-12-09 19:10:15,934 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:16,400 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2018-12-09 19:10:18,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:18,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5726 states to 5035 states and 5726 transitions. [2018-12-09 19:10:18,189 INFO L276 IsEmpty]: Start isEmpty. Operand 5035 states and 5726 transitions. [2018-12-09 19:10:18,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-12-09 19:10:18,191 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:18,627 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2018-12-09 19:10:22,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:22,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5746 states to 5057 states and 5746 transitions. [2018-12-09 19:10:22,479 INFO L276 IsEmpty]: Start isEmpty. Operand 5057 states and 5746 transitions. [2018-12-09 19:10:22,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-12-09 19:10:22,482 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:22,980 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2018-12-09 19:10:24,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:24,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5747 states to 5059 states and 5747 transitions. [2018-12-09 19:10:24,190 INFO L276 IsEmpty]: Start isEmpty. Operand 5059 states and 5747 transitions. [2018-12-09 19:10:24,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-12-09 19:10:24,193 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:24,641 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2018-12-09 19:10:28,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:28,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5764 states to 5075 states and 5764 transitions. [2018-12-09 19:10:28,187 INFO L276 IsEmpty]: Start isEmpty. Operand 5075 states and 5764 transitions. [2018-12-09 19:10:28,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2018-12-09 19:10:28,190 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:28,372 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 533 proven. 9 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2018-12-09 19:10:28,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:28,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5770 states to 5082 states and 5770 transitions. [2018-12-09 19:10:28,928 INFO L276 IsEmpty]: Start isEmpty. Operand 5082 states and 5770 transitions. [2018-12-09 19:10:28,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2018-12-09 19:10:28,931 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:29,111 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 533 proven. 9 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2018-12-09 19:10:31,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:31,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5805 states to 5116 states and 5805 transitions. [2018-12-09 19:10:31,922 INFO L276 IsEmpty]: Start isEmpty. Operand 5116 states and 5805 transitions. [2018-12-09 19:10:31,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2018-12-09 19:10:31,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:32,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 755 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2018-12-09 19:10:33,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:33,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5809 states to 5120 states and 5809 transitions. [2018-12-09 19:10:33,979 INFO L276 IsEmpty]: Start isEmpty. Operand 5120 states and 5809 transitions. [2018-12-09 19:10:33,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2018-12-09 19:10:33,982 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:34,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 755 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2018-12-09 19:10:34,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:34,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5815 states to 5127 states and 5815 transitions. [2018-12-09 19:10:34,228 INFO L276 IsEmpty]: Start isEmpty. Operand 5127 states and 5815 transitions. [2018-12-09 19:10:34,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2018-12-09 19:10:34,231 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:34,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 755 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2018-12-09 19:10:36,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:36,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5819 states to 5131 states and 5819 transitions. [2018-12-09 19:10:36,003 INFO L276 IsEmpty]: Start isEmpty. Operand 5131 states and 5819 transitions. [2018-12-09 19:10:36,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2018-12-09 19:10:36,006 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:36,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 755 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2018-12-09 19:10:37,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:37,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5103 states to 4500 states and 5103 transitions. [2018-12-09 19:10:37,117 INFO L276 IsEmpty]: Start isEmpty. Operand 4500 states and 5103 transitions. [2018-12-09 19:10:37,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2018-12-09 19:10:37,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:37,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1267 trivial. 0 not checked. [2018-12-09 19:10:48,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:48,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5175 states to 4564 states and 5175 transitions. [2018-12-09 19:10:48,496 INFO L276 IsEmpty]: Start isEmpty. Operand 4564 states and 5175 transitions. [2018-12-09 19:10:48,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2018-12-09 19:10:48,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:49,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1267 trivial. 0 not checked. [2018-12-09 19:10:53,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:53,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5177 states to 4569 states and 5177 transitions. [2018-12-09 19:10:53,804 INFO L276 IsEmpty]: Start isEmpty. Operand 4569 states and 5177 transitions. [2018-12-09 19:10:53,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2018-12-09 19:10:53,807 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:54,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1389 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1386 trivial. 0 not checked. [2018-12-09 19:10:57,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:57,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5205 states to 4597 states and 5205 transitions. [2018-12-09 19:10:57,504 INFO L276 IsEmpty]: Start isEmpty. Operand 4597 states and 5205 transitions. [2018-12-09 19:10:57,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2018-12-09 19:10:57,507 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:58,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1389 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1386 trivial. 0 not checked. [2018-12-09 19:11:02,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:02,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 4676 states and 5284 transitions. [2018-12-09 19:11:02,130 INFO L276 IsEmpty]: Start isEmpty. Operand 4676 states and 5284 transitions. [2018-12-09 19:11:02,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2018-12-09 19:11:02,132 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:02,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1389 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1386 trivial. 0 not checked. [2018-12-09 19:11:04,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:04,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5303 states to 4695 states and 5303 transitions. [2018-12-09 19:11:04,514 INFO L276 IsEmpty]: Start isEmpty. Operand 4695 states and 5303 transitions. [2018-12-09 19:11:04,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2018-12-09 19:11:04,517 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:05,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1389 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1386 trivial. 0 not checked. [2018-12-09 19:11:05,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:05,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5303 states to 4696 states and 5303 transitions. [2018-12-09 19:11:05,767 INFO L276 IsEmpty]: Start isEmpty. Operand 4696 states and 5303 transitions. [2018-12-09 19:11:05,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2018-12-09 19:11:05,770 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:06,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1389 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1386 trivial. 0 not checked. [2018-12-09 19:11:07,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:07,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4477 states to 3942 states and 4477 transitions. [2018-12-09 19:11:07,459 INFO L276 IsEmpty]: Start isEmpty. Operand 3942 states and 4477 transitions. [2018-12-09 19:11:07,461 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:11:07,461 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 328 iterations. [2018-12-09 19:11:07,467 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 19:11:07,893 WARN L180 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 54 [2018-12-09 19:11:08,145 WARN L180 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 49 [2018-12-09 19:11:08,578 WARN L180 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 55 [2018-12-09 19:11:09,040 WARN L180 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 57 [2018-12-09 19:11:09,389 WARN L180 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 54 [2018-12-09 19:11:09,512 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 33 [2018-12-09 19:11:09,745 WARN L180 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 48 [2018-12-09 19:11:09,864 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 33 [2018-12-09 19:11:10,041 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 33 [2018-12-09 19:11:10,387 WARN L180 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 55 [2018-12-09 19:11:10,725 WARN L180 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 55 [2018-12-09 19:11:10,972 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 33 [2018-12-09 19:11:11,091 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 33 [2018-12-09 19:11:11,255 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 33 [2018-12-09 19:11:11,397 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 33 [2018-12-09 19:11:11,563 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 33 [2018-12-09 19:11:11,725 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 33 [2018-12-09 19:11:12,072 WARN L180 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 53 [2018-12-09 19:11:12,341 WARN L180 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 48 [2018-12-09 19:11:12,606 WARN L180 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 49 [2018-12-09 19:11:12,765 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 33 [2018-12-09 19:11:13,099 WARN L180 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 33 [2018-12-09 19:11:13,440 WARN L180 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 55 [2018-12-09 19:11:13,689 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 48 [2018-12-09 19:11:13,887 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 33 [2018-12-09 19:11:14,069 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 33 [2018-12-09 19:11:14,633 WARN L180 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 58 [2018-12-09 19:11:14,791 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 33 [2018-12-09 19:11:15,039 WARN L180 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 49 [2018-12-09 19:11:15,195 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 33 [2018-12-09 19:11:15,545 WARN L180 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 55 [2018-12-09 19:11:15,686 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 33 [2018-12-09 19:11:16,028 WARN L180 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 55 [2018-12-09 19:11:16,193 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 33 [2018-12-09 19:11:16,503 WARN L180 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 53 [2018-12-09 19:11:16,783 WARN L180 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 33 [2018-12-09 19:11:16,910 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 33 [2018-12-09 19:11:17,256 WARN L180 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 55 [2018-12-09 19:11:17,431 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 33 [2018-12-09 19:11:17,593 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 33 [2018-12-09 19:11:17,884 WARN L180 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 56 [2018-12-09 19:11:17,985 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 33 [2018-12-09 19:11:18,308 WARN L180 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 55 [2018-12-09 19:11:18,445 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 33 [2018-12-09 19:11:18,677 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 33 [2018-12-09 19:11:18,940 WARN L180 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 48 [2018-12-09 19:11:19,106 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 33 [2018-12-09 19:11:19,311 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 48 [2018-12-09 19:11:19,721 WARN L180 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 55 [2018-12-09 19:11:19,896 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 33 [2018-12-09 19:11:20,021 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 33 [2018-12-09 19:11:20,199 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 33 [2018-12-09 19:11:20,318 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 33 [2018-12-09 19:11:20,462 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 33 [2018-12-09 19:11:20,810 WARN L180 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 53 [2018-12-09 19:11:21,148 WARN L180 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 55 [2018-12-09 19:11:21,332 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 33 [2018-12-09 19:11:21,664 WARN L180 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 55 [2018-12-09 19:11:21,881 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 48 [2018-12-09 19:11:22,009 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 33 [2018-12-09 19:11:22,162 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 33 [2018-12-09 19:11:22,399 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 48 [2018-12-09 19:11:22,722 WARN L180 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 54 [2018-12-09 19:11:22,826 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 33 [2018-12-09 19:11:22,955 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 33 [2018-12-09 19:11:23,098 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 33 [2018-12-09 19:11:23,439 WARN L180 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 33 [2018-12-09 19:11:23,770 WARN L180 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 54 [2018-12-09 19:11:24,147 WARN L180 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 55 [2018-12-09 19:11:24,333 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 33 [2018-12-09 19:11:24,645 WARN L180 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 56 [2018-12-09 19:11:24,821 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 33 [2018-12-09 19:11:25,016 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 33 [2018-12-09 19:11:25,264 WARN L180 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 48 [2018-12-09 19:11:25,264 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 19:11:25,266 INFO L583 CodeCheckObserver]: Invariant with dag size 33 [2018-12-09 19:11:25,272 INFO L583 CodeCheckObserver]: Invariant with dag size 33 [2018-12-09 19:11:25,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 07:11:25 ImpRootNode [2018-12-09 19:11:25,273 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 19:11:25,273 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:11:25,273 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:11:25,273 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:11:25,274 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:00:01" (3/4) ... [2018-12-09 19:11:25,276 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:11:25,287 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-12-09 19:11:25,287 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-09 19:11:25,288 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-09 19:11:25,288 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 19:11:25,340 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_187153fe-a8fa-45b0-bd6c-d8cc961c2b8a/bin-2019/ukojak/witness.graphml [2018-12-09 19:11:25,341 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:11:25,341 INFO L168 Benchmark]: Toolchain (without parser) took 685469.61 ms. Allocated memory was 1.0 GB in the beginning and 6.0 GB in the end (delta: 5.0 GB). Free memory was 944.2 MB in the beginning and 1.2 GB in the end (delta: -246.1 MB). Peak memory consumption was 4.7 GB. Max. memory is 11.5 GB. [2018-12-09 19:11:25,341 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:11:25,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -181.8 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. [2018-12-09 19:11:25,342 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.98 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 19:11:25,342 INFO L168 Benchmark]: Boogie Preprocessor took 41.11 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 19:11:25,342 INFO L168 Benchmark]: RCFGBuilder took 1116.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 893.3 MB in the end (delta: 219.1 MB). Peak memory consumption was 219.1 MB. Max. memory is 11.5 GB. [2018-12-09 19:11:25,342 INFO L168 Benchmark]: CodeCheck took 683876.50 ms. Allocated memory was 1.2 GB in the beginning and 6.0 GB in the end (delta: 4.9 GB). Free memory was 893.3 MB in the beginning and 1.2 GB in the end (delta: -297.0 MB). Peak memory consumption was 4.6 GB. Max. memory is 11.5 GB. [2018-12-09 19:11:25,342 INFO L168 Benchmark]: Witness Printer took 67.44 ms. Allocated memory is still 6.0 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.0 kB). Peak memory consumption was 3.0 kB. Max. memory is 11.5 GB. [2018-12-09 19:11:25,343 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, 666.0s OverallTime, 328 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 25696304 SDtfs, 1593281888 SDslu, 140807968 SDs, 0 SdLazy, 37186544 SolverSat, -1473231712 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2336.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 555966 GetRequests, 539457 SyntacticMatches, 13449 SemanticMatches, 3060 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7041030 ImplicationChecksByTransitivity, 606.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.3s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 44.3s InterpolantComputationTime, 87586 NumberOfCodeBlocks, 87586 NumberOfCodeBlocksAsserted, 327 NumberOfCheckSat, 87259 ConstructedInterpolants, 0 QuantifiedInterpolants, 88521263 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 327 InterpolantComputations, 177 PerfectInterpolantSequences, 131836/133727 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: 562]: 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: (((((((!(a25 == 1) && !(a11 == 1)) && !(a17 == 9)) || (a17 == 8 && a25 == 1)) || ((!(a25 == 1) && !(a28 == 8)) && !(a17 == 9))) || ((!(a25 == 1) && !(a28 == 8)) && !(a11 == 1))) || ((((a28 == 9 && !(a19 == 1)) && a17 == 7) && a21 == 1) && a11 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && !(a28 == 8))) || ((((a17 == 7 && a19 == 1) && a28 == 7) && a21 == 1) && a11 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((a17 == 8 && a25 == 1) || ((!(a25 == 1) && !(a11 == 1)) && !(a17 == 9))) || ((!(a25 == 1) && !(a28 == 8)) && !(a11 == 1))) || ((((a17 == 7 && a19 == 1) && a28 == 7) && a21 == 1) && a11 == 1)) || ((!(a25 == 1) && !(a28 == 8)) && !(a17 == 9))) || ((((a28 == 9 && !(a19 == 1)) && a17 == 7) && a21 == 1) && a11 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && !(a28 == 8)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 312.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -181.8 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.98 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.11 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1116.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 893.3 MB in the end (delta: 219.1 MB). Peak memory consumption was 219.1 MB. Max. memory is 11.5 GB. * CodeCheck took 683876.50 ms. Allocated memory was 1.2 GB in the beginning and 6.0 GB in the end (delta: 4.9 GB). Free memory was 893.3 MB in the beginning and 1.2 GB in the end (delta: -297.0 MB). Peak memory consumption was 4.6 GB. Max. memory is 11.5 GB. * Witness Printer took 67.44 ms. Allocated memory is still 6.0 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.0 kB). Peak memory consumption was 3.0 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...