./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_true-unreach-call_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ee986ffe-7ff3-429d-a469-232fd811c7ff/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ee986ffe-7ff3-429d-a469-232fd811c7ff/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ee986ffe-7ff3-429d-a469-232fd811c7ff/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ee986ffe-7ff3-429d-a469-232fd811c7ff/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_true-unreach-call_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ee986ffe-7ff3-429d-a469-232fd811c7ff/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ee986ffe-7ff3-429d-a469-232fd811c7ff/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 64bit --witnessprinter.graph.data.programhash e9c43104396221a2ebaa668a7ebe64ed4521b034 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:08:16,394 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:08:16,395 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:08:16,401 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:08:16,401 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:08:16,402 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:08:16,403 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:08:16,404 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:08:16,405 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:08:16,406 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:08:16,406 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:08:16,406 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:08:16,407 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:08:16,408 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:08:16,408 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:08:16,409 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:08:16,409 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:08:16,410 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:08:16,412 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:08:16,412 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:08:16,413 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:08:16,414 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:08:16,415 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:08:16,416 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:08:16,416 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:08:16,416 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:08:16,417 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:08:16,418 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:08:16,418 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:08:16,419 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:08:16,419 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:08:16,420 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:08:16,420 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:08:16,420 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:08:16,420 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:08:16,421 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:08:16,421 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ee986ffe-7ff3-429d-a469-232fd811c7ff/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2018-11-23 07:08:16,429 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:08:16,430 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:08:16,430 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:08:16,430 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 07:08:16,431 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 07:08:16,431 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 07:08:16,431 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:08:16,431 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:08:16,432 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:08:16,432 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:08:16,432 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:08:16,432 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:08:16,432 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:08:16,432 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:08:16,432 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:08:16,433 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 07:08:16,433 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 07:08:16,433 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:08:16,433 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:08:16,433 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 07:08:16,433 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:08:16,433 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:08:16,434 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:08:16,434 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 07:08:16,434 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:08:16,434 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:08:16,434 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 07:08:16,434 INFO L133 SettingsManager]: * To the following directory=dump/ 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_ee986ffe-7ff3-429d-a469-232fd811c7ff/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9c43104396221a2ebaa668a7ebe64ed4521b034 [2018-11-23 07:08:16,459 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:08:16,468 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:08:16,471 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:08:16,472 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:08:16,472 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:08:16,473 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ee986ffe-7ff3-429d-a469-232fd811c7ff/bin-2019/ukojak/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_true-unreach-call_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2018-11-23 07:08:16,520 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee986ffe-7ff3-429d-a469-232fd811c7ff/bin-2019/ukojak/data/b274dd41c/6fd9d1a5db274fb9aa117d6b1f6aa73a/FLAG46a856519 [2018-11-23 07:08:16,967 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:08:16,967 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ee986ffe-7ff3-429d-a469-232fd811c7ff/sv-benchmarks/c/ldv-consumption/32_7a_cilled_true-unreach-call_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2018-11-23 07:08:16,983 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee986ffe-7ff3-429d-a469-232fd811c7ff/bin-2019/ukojak/data/b274dd41c/6fd9d1a5db274fb9aa117d6b1f6aa73a/FLAG46a856519 [2018-11-23 07:08:17,278 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ee986ffe-7ff3-429d-a469-232fd811c7ff/bin-2019/ukojak/data/b274dd41c/6fd9d1a5db274fb9aa117d6b1f6aa73a [2018-11-23 07:08:17,281 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:08:17,283 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:08:17,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:08:17,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:08:17,287 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:08:17,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:08:17" (1/1) ... [2018-11-23 07:08:17,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72d77bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:17, skipping insertion in model container [2018-11-23 07:08:17,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:08:17" (1/1) ... [2018-11-23 07:08:17,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:08:17,343 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:08:17,841 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:08:17,859 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:08:17,940 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:08:17,981 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:08:17,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:17 WrapperNode [2018-11-23 07:08:17,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:08:17,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:08:17,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:08:17,982 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:08:17,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:17" (1/1) ... [2018-11-23 07:08:18,009 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:17" (1/1) ... [2018-11-23 07:08:18,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:08:18,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:08:18,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:08:18,043 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:08:18,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:17" (1/1) ... [2018-11-23 07:08:18,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:17" (1/1) ... [2018-11-23 07:08:18,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:17" (1/1) ... [2018-11-23 07:08:18,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:17" (1/1) ... [2018-11-23 07:08:18,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:17" (1/1) ... [2018-11-23 07:08:18,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:17" (1/1) ... [2018-11-23 07:08:18,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:17" (1/1) ... [2018-11-23 07:08:18,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:08:18,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:08:18,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:08:18,092 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:08:18,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:08:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee986ffe-7ff3-429d-a469-232fd811c7ff/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 [2018-11-23 07:08:18,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 07:08:18,149 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_list_voltage_linear [2018-11-23 07:08:18,149 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_list_voltage_linear [2018-11-23 07:08:18,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:08:18,149 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2018-11-23 07:08:18,149 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2018-11-23 07:08:18,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 07:08:18,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_external_alloc [2018-11-23 07:08:18,150 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_get_drvdata [2018-11-23 07:08:18,150 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_get_drvdata [2018-11-23 07:08:18,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 07:08:18,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx_of_isl_pmic [2018-11-23 07:08:18,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx_of_isl_pmic [2018-11-23 07:08:18,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 07:08:18,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 07:08:18,151 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-11-23 07:08:18,152 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2018-11-23 07:08:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-23 07:08:18,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-23 07:08:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_unregister [2018-11-23 07:08:18,152 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_unregister [2018-11-23 07:08:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 07:08:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2018-11-23 07:08:18,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2018-11-23 07:08:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2018-11-23 07:08:18,152 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2018-11-23 07:08:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:08:18,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:08:19,612 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:08:19,613 INFO L280 CfgBuilder]: Removed 64 assue(true) statements. [2018-11-23 07:08:19,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:08:19 BoogieIcfgContainer [2018-11-23 07:08:19,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:08:19,614 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 07:08:19,614 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 07:08:19,622 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 07:08:19,622 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:08:19" (1/1) ... [2018-11-23 07:08:19,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:08:19,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:19,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 103 states and 155 transitions. [2018-11-23 07:08:19,667 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 155 transitions. [2018-11-23 07:08:19,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 07:08:19,673 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:19,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:19,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:08:20,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:20,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 108 states and 179 transitions. [2018-11-23 07:08:20,025 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 179 transitions. [2018-11-23 07:08:20,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 07:08:20,027 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:20,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:08:20,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:20,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 117 states and 218 transitions. [2018-11-23 07:08:20,178 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 218 transitions. [2018-11-23 07:08:20,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 07:08:20,180 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:20,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:08:20,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:20,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 127 states and 258 transitions. [2018-11-23 07:08:20,358 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 258 transitions. [2018-11-23 07:08:20,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 07:08:20,359 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:20,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:20,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:20,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 128 states and 259 transitions. [2018-11-23 07:08:20,400 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 259 transitions. [2018-11-23 07:08:20,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 07:08:20,403 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:20,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:08:20,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:20,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 139 states and 300 transitions. [2018-11-23 07:08:20,681 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 300 transitions. [2018-11-23 07:08:20,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 07:08:20,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:20,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:08:20,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:20,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 151 states and 342 transitions. [2018-11-23 07:08:20,998 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 342 transitions. [2018-11-23 07:08:20,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 07:08:21,000 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:21,033 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:21,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:21,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 153 states and 345 transitions. [2018-11-23 07:08:21,038 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 345 transitions. [2018-11-23 07:08:21,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 07:08:21,040 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:21,072 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:21,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:21,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 154 states and 346 transitions. [2018-11-23 07:08:21,077 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 346 transitions. [2018-11-23 07:08:21,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 07:08:21,078 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:21,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:08:21,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:21,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 157 states and 374 transitions. [2018-11-23 07:08:21,337 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 374 transitions. [2018-11-23 07:08:21,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 07:08:21,338 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:21,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:21,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:21,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 158 states and 374 transitions. [2018-11-23 07:08:21,428 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 374 transitions. [2018-11-23 07:08:21,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 07:08:21,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:21,460 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 07:08:21,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:21,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 159 states and 375 transitions. [2018-11-23 07:08:21,517 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 375 transitions. [2018-11-23 07:08:21,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 07:08:21,518 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:21,643 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:08:21,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:21,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 167 states and 431 transitions. [2018-11-23 07:08:21,942 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 431 transitions. [2018-11-23 07:08:21,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 07:08:21,943 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:21,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:22,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:22,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 168 states and 431 transitions. [2018-11-23 07:08:22,088 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 431 transitions. [2018-11-23 07:08:22,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 07:08:22,089 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:22,116 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:08:22,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:22,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 169 states and 431 transitions. [2018-11-23 07:08:22,127 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 431 transitions. [2018-11-23 07:08:22,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 07:08:22,128 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:22,162 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:22,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:22,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 171 states and 435 transitions. [2018-11-23 07:08:22,283 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 435 transitions. [2018-11-23 07:08:22,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 07:08:22,284 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:22,366 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:08:22,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:22,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 177 states and 474 transitions. [2018-11-23 07:08:22,981 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 474 transitions. [2018-11-23 07:08:22,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 07:08:22,981 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:23,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:08:23,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:23,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 182 states and 505 transitions. [2018-11-23 07:08:23,576 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 505 transitions. [2018-11-23 07:08:23,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 07:08:23,576 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:23,602 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:23,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:23,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 183 states and 506 transitions. [2018-11-23 07:08:23,814 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 506 transitions. [2018-11-23 07:08:23,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 07:08:23,815 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:23,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:24,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:24,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 184 states and 506 transitions. [2018-11-23 07:08:24,082 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 506 transitions. [2018-11-23 07:08:24,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 07:08:24,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:24,112 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 07:08:24,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:24,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 190 states and 534 transitions. [2018-11-23 07:08:24,249 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 534 transitions. [2018-11-23 07:08:24,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 07:08:24,250 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:24,277 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 07:08:24,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:24,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 191 states and 534 transitions. [2018-11-23 07:08:24,312 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 534 transitions. [2018-11-23 07:08:24,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 07:08:24,312 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:24,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:24,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:24,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 193 states and 539 transitions. [2018-11-23 07:08:24,605 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 539 transitions. [2018-11-23 07:08:24,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 07:08:24,606 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:24,632 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:24,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:24,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 194 states and 541 transitions. [2018-11-23 07:08:24,793 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 541 transitions. [2018-11-23 07:08:24,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 07:08:24,794 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:24,820 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:24,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:24,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 199 states and 569 transitions. [2018-11-23 07:08:24,975 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 569 transitions. [2018-11-23 07:08:24,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 07:08:24,976 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:25,003 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:25,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:25,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 200 states and 571 transitions. [2018-11-23 07:08:25,137 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 571 transitions. [2018-11-23 07:08:25,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 07:08:25,137 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:25,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:25,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:25,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 201 states and 571 transitions. [2018-11-23 07:08:25,257 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 571 transitions. [2018-11-23 07:08:25,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 07:08:25,258 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:25,284 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 07:08:25,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:25,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 207 states and 599 transitions. [2018-11-23 07:08:25,461 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 599 transitions. [2018-11-23 07:08:25,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 07:08:25,462 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:25,487 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 07:08:25,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:25,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 208 states and 599 transitions. [2018-11-23 07:08:25,507 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 599 transitions. [2018-11-23 07:08:25,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 07:08:25,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:25,531 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:25,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:25,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 210 states and 604 transitions. [2018-11-23 07:08:25,788 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 604 transitions. [2018-11-23 07:08:25,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 07:08:25,789 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:25,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:26,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:26,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 216 states and 634 transitions. [2018-11-23 07:08:26,146 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 634 transitions. [2018-11-23 07:08:26,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 07:08:26,147 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:26,164 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:26,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:26,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 217 states and 635 transitions. [2018-11-23 07:08:26,170 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 635 transitions. [2018-11-23 07:08:26,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 07:08:26,170 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:26,191 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:26,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:26,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 218 states and 637 transitions. [2018-11-23 07:08:26,341 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 637 transitions. [2018-11-23 07:08:26,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 07:08:26,342 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:26,365 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 07:08:26,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:26,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 224 states and 665 transitions. [2018-11-23 07:08:26,518 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 665 transitions. [2018-11-23 07:08:26,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 07:08:26,519 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:26,538 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 07:08:26,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:26,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 225 states and 665 transitions. [2018-11-23 07:08:26,567 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 665 transitions. [2018-11-23 07:08:26,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 07:08:26,568 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:26,586 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:26,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:26,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 227 states and 670 transitions. [2018-11-23 07:08:26,879 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 670 transitions. [2018-11-23 07:08:26,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 07:08:26,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:26,893 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:27,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:27,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 230 states and 677 transitions. [2018-11-23 07:08:27,266 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 677 transitions. [2018-11-23 07:08:27,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 07:08:27,266 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:27,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:27,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:27,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 236 states and 707 transitions. [2018-11-23 07:08:27,545 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 707 transitions. [2018-11-23 07:08:27,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 07:08:27,545 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:27,558 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:27,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:27,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 237 states and 711 transitions. [2018-11-23 07:08:27,697 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 711 transitions. [2018-11-23 07:08:27,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 07:08:27,697 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:27,715 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:27,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:27,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 238 states and 713 transitions. [2018-11-23 07:08:27,859 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 713 transitions. [2018-11-23 07:08:27,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 07:08:27,859 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:27,872 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:27,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:27,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 239 states and 713 transitions. [2018-11-23 07:08:27,880 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 713 transitions. [2018-11-23 07:08:27,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 07:08:27,881 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:27,896 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:27,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:27,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 240 states and 713 transitions. [2018-11-23 07:08:27,903 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 713 transitions. [2018-11-23 07:08:27,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 07:08:27,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:27,919 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 07:08:28,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:28,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 246 states and 741 transitions. [2018-11-23 07:08:28,044 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 741 transitions. [2018-11-23 07:08:28,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 07:08:28,045 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:28,142 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:08:28,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:28,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 249 states and 766 transitions. [2018-11-23 07:08:28,680 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 766 transitions. [2018-11-23 07:08:28,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 07:08:28,681 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:28,698 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:28,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:28,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 252 states and 772 transitions. [2018-11-23 07:08:28,715 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 772 transitions. [2018-11-23 07:08:28,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 07:08:28,715 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:28,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:28,732 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:28,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:28,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 253 states and 774 transitions. [2018-11-23 07:08:28,817 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 774 transitions. [2018-11-23 07:08:28,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 07:08:28,818 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:28,834 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 07:08:28,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:28,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 254 states and 774 transitions. [2018-11-23 07:08:28,843 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 774 transitions. [2018-11-23 07:08:28,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 07:08:28,844 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:28,861 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:29,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:29,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 260 states and 804 transitions. [2018-11-23 07:08:29,168 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 804 transitions. [2018-11-23 07:08:29,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 07:08:29,168 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:29,188 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:29,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:29,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 262 states and 806 transitions. [2018-11-23 07:08:29,200 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 806 transitions. [2018-11-23 07:08:29,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 07:08:29,200 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:29,224 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:29,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:29,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 263 states and 807 transitions. [2018-11-23 07:08:29,233 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 807 transitions. [2018-11-23 07:08:29,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 07:08:29,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:29,253 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:29,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:29,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 267 states and 837 transitions. [2018-11-23 07:08:29,735 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 837 transitions. [2018-11-23 07:08:29,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 07:08:29,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:29,772 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 07:08:29,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:29,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 268 states and 837 transitions. [2018-11-23 07:08:29,931 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 837 transitions. [2018-11-23 07:08:29,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 07:08:29,931 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:29,949 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:08:29,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:29,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 269 states and 839 transitions. [2018-11-23 07:08:29,964 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 839 transitions. [2018-11-23 07:08:29,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 07:08:29,964 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:29,986 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 07:08:30,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:30,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 270 states and 839 transitions. [2018-11-23 07:08:30,136 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 839 transitions. [2018-11-23 07:08:30,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 07:08:30,136 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:30,149 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:08:30,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:30,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 271 states and 840 transitions. [2018-11-23 07:08:30,243 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 840 transitions. [2018-11-23 07:08:30,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 07:08:30,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:30,258 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:08:30,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:30,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 273 states and 843 transitions. [2018-11-23 07:08:30,263 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 843 transitions. [2018-11-23 07:08:30,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 07:08:30,263 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:30,368 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:08:31,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:31,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 278 states and 873 transitions. [2018-11-23 07:08:31,238 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 873 transitions. [2018-11-23 07:08:31,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 07:08:31,238 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:31,256 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:08:31,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:31,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 281 states and 879 transitions. [2018-11-23 07:08:31,402 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 879 transitions. [2018-11-23 07:08:31,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 07:08:31,403 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:31,567 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:08:32,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:32,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 286 states and 914 transitions. [2018-11-23 07:08:32,494 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 914 transitions. [2018-11-23 07:08:32,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 07:08:32,495 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:32,511 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:08:32,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:32,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 287 states and 914 transitions. [2018-11-23 07:08:32,685 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 914 transitions. [2018-11-23 07:08:32,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 07:08:32,685 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:32,699 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:08:33,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:33,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 290 states and 942 transitions. [2018-11-23 07:08:33,113 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 942 transitions. [2018-11-23 07:08:33,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 07:08:33,113 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:33,126 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:08:33,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:33,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 293 states and 968 transitions. [2018-11-23 07:08:33,643 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 968 transitions. [2018-11-23 07:08:33,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 07:08:33,643 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:33,659 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:08:33,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:33,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 294 states and 968 transitions. [2018-11-23 07:08:33,817 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 968 transitions. [2018-11-23 07:08:33,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 07:08:33,818 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:33,835 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:33,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:33,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 297 states and 974 transitions. [2018-11-23 07:08:33,927 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 974 transitions. [2018-11-23 07:08:33,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 07:08:33,928 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:33,941 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:33,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:33,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 300 states and 978 transitions. [2018-11-23 07:08:33,951 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 978 transitions. [2018-11-23 07:08:33,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 07:08:33,952 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:33,964 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:33,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:33,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 301 states and 979 transitions. [2018-11-23 07:08:33,972 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 979 transitions. [2018-11-23 07:08:33,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 07:08:33,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:33,984 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:33,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:33,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 302 states and 979 transitions. [2018-11-23 07:08:33,997 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 979 transitions. [2018-11-23 07:08:33,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 07:08:33,997 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:34,009 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 07:08:34,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:34,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 307 states and 1019 transitions. [2018-11-23 07:08:34,558 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 1019 transitions. [2018-11-23 07:08:34,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 07:08:34,559 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:34,573 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:08:34,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:34,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 308 states and 1021 transitions. [2018-11-23 07:08:34,774 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 1021 transitions. [2018-11-23 07:08:34,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 07:08:34,775 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:34,799 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:08:35,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:35,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 310 states and 1023 transitions. [2018-11-23 07:08:35,018 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 1023 transitions. [2018-11-23 07:08:35,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 07:08:35,018 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:35,030 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:08:35,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:35,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 315 states and 1054 transitions. [2018-11-23 07:08:35,977 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 1054 transitions. [2018-11-23 07:08:35,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 07:08:35,977 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:35,992 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:08:36,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:36,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 316 states and 1055 transitions. [2018-11-23 07:08:36,193 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 1055 transitions. [2018-11-23 07:08:36,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 07:08:36,193 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:36,207 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 07:08:36,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:36,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 317 states and 1055 transitions. [2018-11-23 07:08:36,400 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 1055 transitions. [2018-11-23 07:08:36,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 07:08:36,401 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:36,505 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:08:37,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:37,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 323 states and 1094 transitions. [2018-11-23 07:08:37,759 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 1094 transitions. [2018-11-23 07:08:37,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 07:08:37,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:37,773 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:08:38,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:38,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 326 states and 1101 transitions. [2018-11-23 07:08:38,142 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 1101 transitions. [2018-11-23 07:08:38,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 07:08:38,142 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:38,163 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:08:38,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:38,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 328 states and 1105 transitions. [2018-11-23 07:08:38,506 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 1105 transitions. [2018-11-23 07:08:38,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 07:08:38,506 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:38,519 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:08:38,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:38,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 329 states and 1106 transitions. [2018-11-23 07:08:38,536 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 1106 transitions. [2018-11-23 07:08:38,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 07:08:38,537 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:38,551 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:08:38,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:38,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 330 states and 1106 transitions. [2018-11-23 07:08:38,720 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 1106 transitions. [2018-11-23 07:08:38,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 07:08:38,720 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:38,733 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:08:38,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:38,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 331 states and 1106 transitions. [2018-11-23 07:08:38,904 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 1106 transitions. [2018-11-23 07:08:38,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 07:08:38,905 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:38,921 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:08:38,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:38,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 332 states and 1106 transitions. [2018-11-23 07:08:38,934 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 1106 transitions. [2018-11-23 07:08:38,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 07:08:38,935 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:38,954 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:08:39,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:39,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 334 states and 1109 transitions. [2018-11-23 07:08:39,335 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 1109 transitions. [2018-11-23 07:08:39,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 07:08:39,336 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:39,352 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:08:39,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:39,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 335 states and 1110 transitions. [2018-11-23 07:08:39,544 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 1110 transitions. [2018-11-23 07:08:39,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 07:08:39,544 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:39,557 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 07:08:39,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:39,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 336 states and 1110 transitions. [2018-11-23 07:08:39,668 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 1110 transitions. [2018-11-23 07:08:39,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 07:08:39,669 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:39,788 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:40,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:40,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 338 states and 1109 transitions. [2018-11-23 07:08:40,222 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 1109 transitions. [2018-11-23 07:08:40,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 07:08:40,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:40,236 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:08:40,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:40,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 340 states and 1113 transitions. [2018-11-23 07:08:40,594 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 1113 transitions. [2018-11-23 07:08:40,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 07:08:40,594 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:40,608 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:08:40,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:40,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 342 states and 1116 transitions. [2018-11-23 07:08:40,689 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 1116 transitions. [2018-11-23 07:08:40,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 07:08:40,690 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:40,879 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:08:42,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:42,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 349 states and 1148 transitions. [2018-11-23 07:08:42,226 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 1148 transitions. [2018-11-23 07:08:42,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 07:08:42,227 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:42,241 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:08:42,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:42,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 352 states and 1155 transitions. [2018-11-23 07:08:42,624 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 1155 transitions. [2018-11-23 07:08:42,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 07:08:42,625 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:42,638 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:08:43,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:43,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 355 states and 1162 transitions. [2018-11-23 07:08:43,065 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 1162 transitions. [2018-11-23 07:08:43,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 07:08:43,066 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:43,085 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:08:43,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:43,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 356 states and 1163 transitions. [2018-11-23 07:08:43,098 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 1163 transitions. [2018-11-23 07:08:43,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 07:08:43,099 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:43,146 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:08:43,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:43,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 359 states and 1169 transitions. [2018-11-23 07:08:43,380 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 1169 transitions. [2018-11-23 07:08:43,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 07:08:43,380 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:43,412 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:08:43,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:43,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 360 states and 1170 transitions. [2018-11-23 07:08:43,442 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 1170 transitions. [2018-11-23 07:08:43,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 07:08:43,443 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:43,473 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:08:43,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:43,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 361 states and 1170 transitions. [2018-11-23 07:08:43,499 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 1170 transitions. [2018-11-23 07:08:43,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 07:08:43,500 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:43,542 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 07:08:43,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:43,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 362 states and 1170 transitions. [2018-11-23 07:08:43,576 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 1170 transitions. [2018-11-23 07:08:43,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 07:08:43,577 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:43,622 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:44,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:44,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 365 states and 1179 transitions. [2018-11-23 07:08:44,452 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 1179 transitions. [2018-11-23 07:08:44,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 07:08:44,452 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:44,467 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:08:44,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:44,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 367 states and 1184 transitions. [2018-11-23 07:08:44,861 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 1184 transitions. [2018-11-23 07:08:44,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 07:08:44,861 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:45,272 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:08:46,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:46,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 375 states and 1239 transitions. [2018-11-23 07:08:46,964 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 1239 transitions. [2018-11-23 07:08:46,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 07:08:46,965 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:46,982 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:08:47,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:47,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 377 states and 1242 transitions. [2018-11-23 07:08:47,474 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 1242 transitions. [2018-11-23 07:08:47,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 07:08:47,475 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:47,498 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:08:47,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:47,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 380 states and 1250 transitions. [2018-11-23 07:08:47,975 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 1250 transitions. [2018-11-23 07:08:47,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 07:08:47,976 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:47,989 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:08:48,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:48,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 383 states and 1257 transitions. [2018-11-23 07:08:48,491 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 1257 transitions. [2018-11-23 07:08:48,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 07:08:48,492 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:48,505 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:48,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:48,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 384 states and 1259 transitions. [2018-11-23 07:08:48,794 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 1259 transitions. [2018-11-23 07:08:48,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 07:08:48,795 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:48,810 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:08:48,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:48,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 385 states and 1260 transitions. [2018-11-23 07:08:48,826 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 1260 transitions. [2018-11-23 07:08:48,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 07:08:48,827 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:48,850 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:08:48,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:48,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 388 states and 1266 transitions. [2018-11-23 07:08:48,982 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 1266 transitions. [2018-11-23 07:08:48,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 07:08:48,982 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:48,999 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:49,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:49,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 391 states and 1273 transitions. [2018-11-23 07:08:49,011 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 1273 transitions. [2018-11-23 07:08:49,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 07:08:49,012 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:49,029 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:49,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:49,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 392 states and 1274 transitions. [2018-11-23 07:08:49,042 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 1274 transitions. [2018-11-23 07:08:49,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 07:08:49,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:49,058 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:08:49,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:49,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 394 states and 1277 transitions. [2018-11-23 07:08:49,537 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 1277 transitions. [2018-11-23 07:08:49,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 07:08:49,538 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:49,555 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:08:50,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:50,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 397 states and 1285 transitions. [2018-11-23 07:08:50,061 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 1285 transitions. [2018-11-23 07:08:50,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 07:08:50,062 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:50,084 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:08:50,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:50,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 399 states and 1288 transitions. [2018-11-23 07:08:50,090 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 1288 transitions. [2018-11-23 07:08:50,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 07:08:50,091 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:50,105 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:08:50,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:50,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 402 states and 1308 transitions. [2018-11-23 07:08:50,444 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 1308 transitions. [2018-11-23 07:08:50,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 07:08:50,445 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:50,459 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:08:50,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:50,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 403 states and 1309 transitions. [2018-11-23 07:08:50,473 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 1309 transitions. [2018-11-23 07:08:50,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 07:08:50,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:50,488 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:50,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:50,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 404 states and 1309 transitions. [2018-11-23 07:08:50,507 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 1309 transitions. [2018-11-23 07:08:50,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 07:08:50,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:50,535 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:08:50,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:50,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 407 states and 1315 transitions. [2018-11-23 07:08:50,653 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 1315 transitions. [2018-11-23 07:08:50,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 07:08:50,654 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:50,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:50,683 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:51,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:51,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 408 states and 1316 transitions. [2018-11-23 07:08:51,056 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 1316 transitions. [2018-11-23 07:08:51,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 07:08:51,057 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:51,075 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:51,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:51,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 411 states and 1324 transitions. [2018-11-23 07:08:51,482 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 1324 transitions. [2018-11-23 07:08:51,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 07:08:51,483 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:51,498 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:08:51,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:51,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 412 states and 1325 transitions. [2018-11-23 07:08:51,731 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 1325 transitions. [2018-11-23 07:08:51,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 07:08:51,731 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:51,746 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:08:52,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:52,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 414 states and 1329 transitions. [2018-11-23 07:08:52,243 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 1329 transitions. [2018-11-23 07:08:52,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 07:08:52,243 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:52,262 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:52,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:52,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 416 states and 1332 transitions. [2018-11-23 07:08:52,659 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 1332 transitions. [2018-11-23 07:08:52,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 07:08:52,659 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:52,678 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:08:52,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:52,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 419 states and 1335 transitions. [2018-11-23 07:08:52,694 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 1335 transitions. [2018-11-23 07:08:52,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 07:08:52,695 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:52,716 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:08:53,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:53,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 422 states and 1343 transitions. [2018-11-23 07:08:53,314 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 1343 transitions. [2018-11-23 07:08:53,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 07:08:53,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:53,334 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:53,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:53,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 425 states and 1350 transitions. [2018-11-23 07:08:53,962 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 1350 transitions. [2018-11-23 07:08:53,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 07:08:53,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:53,984 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:08:53,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:53,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 427 states and 1354 transitions. [2018-11-23 07:08:53,996 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1354 transitions. [2018-11-23 07:08:53,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 07:08:53,996 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:54,016 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:08:54,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:54,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 429 states and 1374 transitions. [2018-11-23 07:08:54,212 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 1374 transitions. [2018-11-23 07:08:54,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:08:54,212 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:54,239 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:54,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:54,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 436 states and 1385 transitions. [2018-11-23 07:08:54,535 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 1385 transitions. [2018-11-23 07:08:54,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:08:54,536 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:54,581 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:54,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:54,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 441 states and 1392 transitions. [2018-11-23 07:08:54,598 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 1392 transitions. [2018-11-23 07:08:54,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 07:08:54,599 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:54,624 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:08:54,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:54,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 442 states and 1394 transitions. [2018-11-23 07:08:54,837 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 1394 transitions. [2018-11-23 07:08:54,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 07:08:54,838 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:54,886 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:55,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:55,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 445 states and 1402 transitions. [2018-11-23 07:08:55,286 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 1402 transitions. [2018-11-23 07:08:55,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 07:08:55,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:55,308 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:08:55,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:55,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 446 states and 1403 transitions. [2018-11-23 07:08:55,377 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 1403 transitions. [2018-11-23 07:08:55,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 07:08:55,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:55,399 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 07:08:55,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:55,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 447 states and 1403 transitions. [2018-11-23 07:08:55,607 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 1403 transitions. [2018-11-23 07:08:55,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 07:08:55,608 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:55,633 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:08:55,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:55,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 450 states and 1409 transitions. [2018-11-23 07:08:55,724 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 1409 transitions. [2018-11-23 07:08:55,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 07:08:55,725 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:55,739 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:55,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:55,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 453 states and 1418 transitions. [2018-11-23 07:08:55,945 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 1418 transitions. [2018-11-23 07:08:55,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 07:08:55,945 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:55,960 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:55,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:55,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 456 states and 1422 transitions. [2018-11-23 07:08:55,972 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 1422 transitions. [2018-11-23 07:08:55,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 07:08:55,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:56,006 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:56,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:56,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 457 states and 1424 transitions. [2018-11-23 07:08:56,018 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 1424 transitions. [2018-11-23 07:08:56,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 07:08:56,019 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:56,032 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:56,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:56,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 458 states and 1425 transitions. [2018-11-23 07:08:56,049 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 1425 transitions. [2018-11-23 07:08:56,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 07:08:56,049 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:56,072 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:08:56,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:56,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 461 states and 1428 transitions. [2018-11-23 07:08:56,231 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 1428 transitions. [2018-11-23 07:08:56,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 07:08:56,231 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:56,246 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:08:56,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:56,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 464 states and 1431 transitions. [2018-11-23 07:08:56,260 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1431 transitions. [2018-11-23 07:08:56,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 07:08:56,261 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:56,279 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 07:08:56,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:56,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 466 states and 1435 transitions. [2018-11-23 07:08:56,706 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 1435 transitions. [2018-11-23 07:08:56,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 07:08:56,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:56,722 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:57,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:57,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 469 states and 1443 transitions. [2018-11-23 07:08:57,026 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 1443 transitions. [2018-11-23 07:08:57,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 07:08:57,027 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:57,042 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:57,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:57,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 470 states and 1445 transitions. [2018-11-23 07:08:57,061 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 1445 transitions. [2018-11-23 07:08:57,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 07:08:57,061 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:57,087 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 07:08:57,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:57,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 471 states and 1445 transitions. [2018-11-23 07:08:57,323 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 1445 transitions. [2018-11-23 07:08:57,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 07:08:57,324 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:57,344 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:08:57,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:57,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 474 states and 1449 transitions. [2018-11-23 07:08:57,352 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 1449 transitions. [2018-11-23 07:08:57,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 07:08:57,353 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:57,367 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:57,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:57,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 475 states and 1451 transitions. [2018-11-23 07:08:57,669 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 1451 transitions. [2018-11-23 07:08:57,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 07:08:57,670 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:57,684 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:57,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:57,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 476 states and 1453 transitions. [2018-11-23 07:08:57,994 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 1453 transitions. [2018-11-23 07:08:57,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 07:08:57,995 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:58,034 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:58,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:58,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 479 states and 1457 transitions. [2018-11-23 07:08:58,050 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 1457 transitions. [2018-11-23 07:08:58,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 07:08:58,051 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:58,074 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:08:58,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:58,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 480 states and 1458 transitions. [2018-11-23 07:08:58,087 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 1458 transitions. [2018-11-23 07:08:58,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 07:08:58,088 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:58,103 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:08:58,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:58,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 481 states and 1459 transitions. [2018-11-23 07:08:58,276 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 1459 transitions. [2018-11-23 07:08:58,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:08:58,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:58,291 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:08:58,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:58,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 484 states and 1462 transitions. [2018-11-23 07:08:58,307 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 1462 transitions. [2018-11-23 07:08:58,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 07:08:58,308 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:58,322 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:58,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:58,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 486 states and 1466 transitions. [2018-11-23 07:08:58,615 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 1466 transitions. [2018-11-23 07:08:58,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 07:08:58,616 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:58,630 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:08:58,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:58,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 488 states and 1471 transitions. [2018-11-23 07:08:58,895 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 1471 transitions. [2018-11-23 07:08:58,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:08:58,896 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:58,910 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:08:58,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:58,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 491 states and 1474 transitions. [2018-11-23 07:08:58,925 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 1474 transitions. [2018-11-23 07:08:58,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 07:08:58,926 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:58,940 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:59,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:59,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 494 states and 1482 transitions. [2018-11-23 07:08:59,465 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 1482 transitions. [2018-11-23 07:08:59,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 07:08:59,466 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:59,479 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:08:59,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:59,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 496 states and 1485 transitions. [2018-11-23 07:08:59,486 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 1485 transitions. [2018-11-23 07:08:59,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 07:08:59,487 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:59,500 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:08:59,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:08:59,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 499 states and 1493 transitions. [2018-11-23 07:08:59,819 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 1493 transitions. [2018-11-23 07:08:59,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 07:08:59,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:08:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:08:59,832 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:09:00,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:00,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 504 states and 1524 transitions. [2018-11-23 07:09:00,968 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 1524 transitions. [2018-11-23 07:09:00,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 07:09:00,969 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:00,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:00,983 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 07:09:01,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:01,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 506 states and 1527 transitions. [2018-11-23 07:09:01,131 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 1527 transitions. [2018-11-23 07:09:01,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 07:09:01,131 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:01,145 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:09:01,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:01,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 507 states and 1530 transitions. [2018-11-23 07:09:01,159 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 1530 transitions. [2018-11-23 07:09:01,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 07:09:01,159 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:01,181 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:09:01,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:01,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 510 states and 1543 transitions. [2018-11-23 07:09:01,575 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 1543 transitions. [2018-11-23 07:09:01,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 07:09:01,576 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:01,592 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 07:09:01,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:01,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 511 states and 1543 transitions. [2018-11-23 07:09:01,840 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 1543 transitions. [2018-11-23 07:09:01,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 07:09:01,841 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:01,857 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 07:09:01,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:01,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 512 states and 1543 transitions. [2018-11-23 07:09:01,986 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 1543 transitions. [2018-11-23 07:09:01,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 07:09:01,986 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:02,003 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:09:02,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:02,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 514 states and 1564 transitions. [2018-11-23 07:09:02,284 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 1564 transitions. [2018-11-23 07:09:02,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 07:09:02,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:02,301 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 07:09:02,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:02,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 515 states and 1564 transitions. [2018-11-23 07:09:02,543 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 1564 transitions. [2018-11-23 07:09:02,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:09:02,543 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:02,560 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:09:02,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:02,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 518 states and 1568 transitions. [2018-11-23 07:09:02,572 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 1568 transitions. [2018-11-23 07:09:02,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:09:02,572 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:02,703 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:09:02,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:02,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 519 states and 1570 transitions. [2018-11-23 07:09:02,835 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 1570 transitions. [2018-11-23 07:09:02,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:09:02,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:02,853 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:09:03,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:03,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 520 states and 1573 transitions. [2018-11-23 07:09:03,251 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 1573 transitions. [2018-11-23 07:09:03,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:09:03,251 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:03,268 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:09:03,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:03,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1579 states to 523 states and 1577 transitions. [2018-11-23 07:09:03,279 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 1577 transitions. [2018-11-23 07:09:03,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:09:03,280 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:03,296 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:09:03,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:03,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 524 states and 1578 transitions. [2018-11-23 07:09:03,315 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 1578 transitions. [2018-11-23 07:09:03,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:09:03,316 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:03,334 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:09:03,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:03,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 527 states and 1581 transitions. [2018-11-23 07:09:03,364 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 1581 transitions. [2018-11-23 07:09:03,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:09:03,365 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:03,383 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:09:03,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:03,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 530 states and 1584 transitions. [2018-11-23 07:09:03,408 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 1584 transitions. [2018-11-23 07:09:03,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:09:03,408 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:03,430 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:09:03,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:03,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 533 states and 1592 transitions. [2018-11-23 07:09:03,814 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 1592 transitions. [2018-11-23 07:09:03,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:09:03,815 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:03,831 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:09:03,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:03,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 536 states and 1596 transitions. [2018-11-23 07:09:03,844 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1596 transitions. [2018-11-23 07:09:03,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:09:03,844 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:03,859 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:09:03,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:03,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 537 states and 1597 transitions. [2018-11-23 07:09:03,872 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1597 transitions. [2018-11-23 07:09:03,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:09:03,873 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:03,888 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 07:09:04,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:04,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 538 states and 1599 transitions. [2018-11-23 07:09:04,175 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1599 transitions. [2018-11-23 07:09:04,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:09:04,176 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:04,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:04,189 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:09:05,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:05,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 543 states and 1632 transitions. [2018-11-23 07:09:05,383 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 1632 transitions. [2018-11-23 07:09:05,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:09:05,383 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:05,397 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 07:09:05,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:05,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 544 states and 1633 transitions. [2018-11-23 07:09:05,682 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 1633 transitions. [2018-11-23 07:09:05,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:09:05,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:05,696 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:09:06,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:06,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1644 states to 546 states and 1642 transitions. [2018-11-23 07:09:06,308 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 1642 transitions. [2018-11-23 07:09:06,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:09:06,308 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:06,366 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 07:09:06,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:06,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 547 states and 1643 transitions. [2018-11-23 07:09:06,654 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 1643 transitions. [2018-11-23 07:09:06,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:09:06,655 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:06,675 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 07:09:06,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:06,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 548 states and 1643 transitions. [2018-11-23 07:09:06,685 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 1643 transitions. [2018-11-23 07:09:06,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:09:06,686 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:06,703 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 07:09:07,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:07,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 550 states and 1647 transitions. [2018-11-23 07:09:07,380 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 1647 transitions. [2018-11-23 07:09:07,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:09:07,381 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:07,405 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 07:09:07,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:07,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 551 states and 1647 transitions. [2018-11-23 07:09:07,428 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 1647 transitions. [2018-11-23 07:09:07,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:09:07,428 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:07,450 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:09:08,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:08,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 556 states and 1681 transitions. [2018-11-23 07:09:08,260 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 1681 transitions. [2018-11-23 07:09:08,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:09:08,260 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:08,278 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 07:09:08,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:08,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 557 states and 1681 transitions. [2018-11-23 07:09:08,544 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 1681 transitions. [2018-11-23 07:09:08,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:09:08,545 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:08,565 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:09:08,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:08,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 559 states and 1702 transitions. [2018-11-23 07:09:08,847 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 1702 transitions. [2018-11-23 07:09:08,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:09:08,848 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:08,863 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 07:09:08,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:08,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 560 states and 1702 transitions. [2018-11-23 07:09:08,992 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 1702 transitions. [2018-11-23 07:09:08,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 07:09:08,992 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:09,009 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 07:09:09,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:09,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 561 states and 1702 transitions. [2018-11-23 07:09:09,282 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 1702 transitions. [2018-11-23 07:09:09,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:09:09,283 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:09,299 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:09:09,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:09,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 564 states and 1706 transitions. [2018-11-23 07:09:09,311 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 1706 transitions. [2018-11-23 07:09:09,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:09:09,312 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:09,326 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:09:09,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:09,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 565 states and 1707 transitions. [2018-11-23 07:09:09,683 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 1707 transitions. [2018-11-23 07:09:09,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:09:09,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:09,700 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:09:09,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:09,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 567 states and 1708 transitions. [2018-11-23 07:09:09,717 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 1708 transitions. [2018-11-23 07:09:09,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:09:09,717 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:09,735 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 07:09:10,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:10,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 569 states and 1710 transitions. [2018-11-23 07:09:10,135 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 1710 transitions. [2018-11-23 07:09:10,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:09:10,136 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:10,152 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:09:10,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:10,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 571 states and 1718 transitions. [2018-11-23 07:09:10,825 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 1718 transitions. [2018-11-23 07:09:10,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:09:10,825 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:10,838 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 07:09:11,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:11,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 572 states and 1718 transitions. [2018-11-23 07:09:11,149 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 1718 transitions. [2018-11-23 07:09:11,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:09:11,150 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:11,163 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:09:11,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:11,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 575 states and 1722 transitions. [2018-11-23 07:09:11,174 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1722 transitions. [2018-11-23 07:09:11,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:09:11,174 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:11,187 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:09:11,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:11,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 576 states and 1723 transitions. [2018-11-23 07:09:11,198 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 1723 transitions. [2018-11-23 07:09:11,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 07:09:11,198 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:11,213 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:09:11,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:11,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1728 states to 579 states and 1726 transitions. [2018-11-23 07:09:11,233 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 1726 transitions. [2018-11-23 07:09:11,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:09:11,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:11,250 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:09:11,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:11,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 581 states and 1729 transitions. [2018-11-23 07:09:11,586 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 1729 transitions. [2018-11-23 07:09:11,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:09:11,587 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:11,601 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 07:09:11,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:11,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 582 states and 1729 transitions. [2018-11-23 07:09:11,883 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 1729 transitions. [2018-11-23 07:09:11,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:09:11,884 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:11,897 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:09:11,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:11,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 583 states and 1729 transitions. [2018-11-23 07:09:11,906 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 1729 transitions. [2018-11-23 07:09:11,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:09:11,907 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:11,923 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:09:12,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:12,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 588 states and 1754 transitions. [2018-11-23 07:09:12,667 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 1754 transitions. [2018-11-23 07:09:12,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:09:12,668 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:12,692 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:09:13,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:13,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 590 states and 1771 transitions. [2018-11-23 07:09:13,064 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 1771 transitions. [2018-11-23 07:09:13,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:09:13,065 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:13,085 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 07:09:13,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:13,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 592 states and 1775 transitions. [2018-11-23 07:09:13,905 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 1775 transitions. [2018-11-23 07:09:13,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:09:13,906 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:13,926 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:09:14,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:14,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 594 states and 1789 transitions. [2018-11-23 07:09:14,153 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 1789 transitions. [2018-11-23 07:09:14,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:09:14,154 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:14,172 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 07:09:14,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:14,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 595 states and 1789 transitions. [2018-11-23 07:09:14,195 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 1789 transitions. [2018-11-23 07:09:14,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:09:14,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:14,214 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:09:14,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:14,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 597 states and 1804 transitions. [2018-11-23 07:09:14,550 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1804 transitions. [2018-11-23 07:09:14,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:09:14,551 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:14,566 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:09:14,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:14,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 599 states and 1818 transitions. [2018-11-23 07:09:14,899 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1818 transitions. [2018-11-23 07:09:14,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:09:14,900 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:14,918 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 07:09:15,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:15,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 600 states and 1818 transitions. [2018-11-23 07:09:15,225 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1818 transitions. [2018-11-23 07:09:15,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:09:15,225 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:15,244 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 07:09:15,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:15,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 601 states and 1818 transitions. [2018-11-23 07:09:15,558 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1818 transitions. [2018-11-23 07:09:15,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 07:09:15,559 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:15,578 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:09:15,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:15,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 603 states and 1833 transitions. [2018-11-23 07:09:15,935 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 1833 transitions. [2018-11-23 07:09:15,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 07:09:15,935 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:15,951 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:09:15,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:15,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 606 states and 1837 transitions. [2018-11-23 07:09:15,965 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 1837 transitions. [2018-11-23 07:09:15,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 07:09:15,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:15,979 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:09:16,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:16,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 608 states and 1838 transitions. [2018-11-23 07:09:16,132 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 1838 transitions. [2018-11-23 07:09:16,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 07:09:16,132 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:16,145 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:09:16,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:16,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 609 states and 1840 transitions. [2018-11-23 07:09:16,484 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 1840 transitions. [2018-11-23 07:09:16,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 07:09:16,484 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:16,497 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:09:18,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:18,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1878 states to 615 states and 1876 transitions. [2018-11-23 07:09:18,448 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 1876 transitions. [2018-11-23 07:09:18,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 07:09:18,449 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:18,475 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 07:09:19,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:19,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 618 states and 1881 transitions. [2018-11-23 07:09:19,548 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 1881 transitions. [2018-11-23 07:09:19,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 07:09:19,549 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:19,564 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 07:09:19,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:19,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 619 states and 1883 transitions. [2018-11-23 07:09:19,911 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 1883 transitions. [2018-11-23 07:09:19,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 07:09:19,911 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:19,925 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 07:09:20,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:20,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 620 states and 1883 transitions. [2018-11-23 07:09:20,091 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 1883 transitions. [2018-11-23 07:09:20,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 07:09:20,092 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:20,601 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:09:22,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:22,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 621 states and 1885 transitions. [2018-11-23 07:09:22,076 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 1885 transitions. [2018-11-23 07:09:22,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 07:09:22,077 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:22,093 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:09:22,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:22,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1894 states to 624 states and 1892 transitions. [2018-11-23 07:09:22,344 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 1892 transitions. [2018-11-23 07:09:22,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 07:09:22,345 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:22,361 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:09:22,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:22,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1897 states to 626 states and 1895 transitions. [2018-11-23 07:09:22,554 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 1895 transitions. [2018-11-23 07:09:22,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 07:09:22,555 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:22,572 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:09:22,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:22,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 628 states and 1904 transitions. [2018-11-23 07:09:22,786 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 1904 transitions. [2018-11-23 07:09:22,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 07:09:22,787 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:22,807 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 07:09:23,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:23,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 631 states and 1910 transitions. [2018-11-23 07:09:23,105 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 1910 transitions. [2018-11-23 07:09:23,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 07:09:23,105 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:23,127 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:09:24,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:24,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 639 states and 1945 transitions. [2018-11-23 07:09:24,450 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1945 transitions. [2018-11-23 07:09:24,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 07:09:24,450 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:24,467 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:09:24,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:24,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 641 states and 1958 transitions. [2018-11-23 07:09:24,716 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 1958 transitions. [2018-11-23 07:09:24,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 07:09:24,717 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:24,738 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 07:09:25,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:25,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1963 states to 643 states and 1961 transitions. [2018-11-23 07:09:25,107 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1961 transitions. [2018-11-23 07:09:25,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 07:09:25,108 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:25,128 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 07:09:25,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:25,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1967 states to 645 states and 1965 transitions. [2018-11-23 07:09:25,750 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1965 transitions. [2018-11-23 07:09:25,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 07:09:25,751 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:25,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:25,772 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 07:09:25,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:25,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1967 states to 646 states and 1965 transitions. [2018-11-23 07:09:25,790 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 1965 transitions. [2018-11-23 07:09:25,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 07:09:25,791 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:26,520 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:09:31,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:31,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2120 states to 672 states and 2118 transitions. [2018-11-23 07:09:31,316 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 2118 transitions. [2018-11-23 07:09:31,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 07:09:31,317 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:31,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:31,333 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:09:31,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:31,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 674 states and 2119 transitions. [2018-11-23 07:09:31,519 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 2119 transitions. [2018-11-23 07:09:31,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 07:09:31,520 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:31,535 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 07:09:32,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:32,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2126 states to 677 states and 2124 transitions. [2018-11-23 07:09:32,832 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 2124 transitions. [2018-11-23 07:09:32,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 07:09:32,833 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:32,852 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 07:09:33,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:33,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 678 states and 2126 transitions. [2018-11-23 07:09:33,371 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 2126 transitions. [2018-11-23 07:09:33,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 07:09:33,372 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:33,389 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:09:33,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:33,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 681 states and 2137 transitions. [2018-11-23 07:09:33,830 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 2137 transitions. [2018-11-23 07:09:33,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 07:09:33,830 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:33,845 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:09:34,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:34,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 684 states and 2146 transitions. [2018-11-23 07:09:34,277 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 2146 transitions. [2018-11-23 07:09:34,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 07:09:34,277 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:34,295 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:09:34,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:34,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 687 states and 2150 transitions. [2018-11-23 07:09:34,312 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 2150 transitions. [2018-11-23 07:09:34,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 07:09:34,313 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:34,327 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:09:34,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:34,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 689 states and 2151 transitions. [2018-11-23 07:09:34,531 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 2151 transitions. [2018-11-23 07:09:34,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 07:09:34,532 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:34,550 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 07:09:35,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:35,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 692 states and 2156 transitions. [2018-11-23 07:09:35,534 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 2156 transitions. [2018-11-23 07:09:35,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 07:09:35,535 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:35,561 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 07:09:36,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:36,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 693 states and 2158 transitions. [2018-11-23 07:09:36,044 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 2158 transitions. [2018-11-23 07:09:36,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 07:09:36,045 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:36,139 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 07:09:36,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:36,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 694 states and 2159 transitions. [2018-11-23 07:09:36,609 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 2159 transitions. [2018-11-23 07:09:36,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 07:09:36,610 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:36,628 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 07:09:36,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:36,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 695 states and 2159 transitions. [2018-11-23 07:09:36,992 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 2159 transitions. [2018-11-23 07:09:36,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 07:09:36,992 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:37,014 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:09:37,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:37,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 697 states and 2169 transitions. [2018-11-23 07:09:37,511 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 2169 transitions. [2018-11-23 07:09:37,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 07:09:37,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:37,530 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:09:37,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:37,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 699 states and 2174 transitions. [2018-11-23 07:09:37,792 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 2174 transitions. [2018-11-23 07:09:37,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 07:09:37,793 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:37,809 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:09:38,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:38,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2179 states to 701 states and 2177 transitions. [2018-11-23 07:09:38,046 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 2177 transitions. [2018-11-23 07:09:38,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 07:09:38,047 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:38,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:09:38,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:38,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 703 states and 2179 transitions. [2018-11-23 07:09:38,510 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 2179 transitions. [2018-11-23 07:09:38,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 07:09:38,511 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:38,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:38,713 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:09:38,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:38,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 700 states and 2175 transitions. [2018-11-23 07:09:38,726 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 2175 transitions. [2018-11-23 07:09:38,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 07:09:38,726 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:38,750 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 07:09:39,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:39,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 701 states and 2176 transitions. [2018-11-23 07:09:39,190 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 2176 transitions. [2018-11-23 07:09:39,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 07:09:39,191 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:39,214 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 07:09:40,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:40,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2199 states to 704 states and 2186 transitions. [2018-11-23 07:09:40,518 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 2186 transitions. [2018-11-23 07:09:40,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 07:09:40,519 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:40,543 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 07:09:41,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:41,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 705 states and 2190 transitions. [2018-11-23 07:09:41,074 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 2190 transitions. [2018-11-23 07:09:41,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 07:09:41,075 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:41,480 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 07:09:41,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:41,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2205 states to 706 states and 2192 transitions. [2018-11-23 07:09:41,700 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 2192 transitions. [2018-11-23 07:09:41,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 07:09:41,701 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:41,728 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:09:42,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:42,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 708 states and 2197 transitions. [2018-11-23 07:09:42,594 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 2197 transitions. [2018-11-23 07:09:42,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 07:09:42,595 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:42,617 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:09:43,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:43,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 712 states and 2228 transitions. [2018-11-23 07:09:43,371 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 2228 transitions. [2018-11-23 07:09:43,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 07:09:43,372 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:43,393 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:09:43,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:43,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 715 states and 2232 transitions. [2018-11-23 07:09:43,411 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 2232 transitions. [2018-11-23 07:09:43,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 07:09:43,412 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:43,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:43,443 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 07:09:44,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:44,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 720 states and 2240 transitions. [2018-11-23 07:09:44,482 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 2240 transitions. [2018-11-23 07:09:44,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 07:09:44,483 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:44,686 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 07:09:46,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:46,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 725 states and 2268 transitions. [2018-11-23 07:09:46,628 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 2268 transitions. [2018-11-23 07:09:46,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 07:09:46,629 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:46,646 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 07:09:47,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:47,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2283 states to 726 states and 2270 transitions. [2018-11-23 07:09:47,147 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 2270 transitions. [2018-11-23 07:09:47,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 07:09:47,147 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:47,162 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:09:47,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:47,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2288 states to 729 states and 2275 transitions. [2018-11-23 07:09:47,767 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 2275 transitions. [2018-11-23 07:09:47,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 07:09:47,767 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:48,377 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:09:49,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:49,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 732 states and 2282 transitions. [2018-11-23 07:09:49,867 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 2282 transitions. [2018-11-23 07:09:49,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 07:09:49,868 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:49,882 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:09:50,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:50,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2298 states to 735 states and 2285 transitions. [2018-11-23 07:09:50,585 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 2285 transitions. [2018-11-23 07:09:50,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 07:09:50,586 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:50,600 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:09:50,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:50,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 738 states and 2289 transitions. [2018-11-23 07:09:50,925 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 2289 transitions. [2018-11-23 07:09:50,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 07:09:50,926 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:50,942 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:09:51,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:51,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2305 states to 741 states and 2292 transitions. [2018-11-23 07:09:51,181 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 2292 transitions. [2018-11-23 07:09:51,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 07:09:51,182 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:51,200 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 07:09:51,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:51,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2308 states to 744 states and 2295 transitions. [2018-11-23 07:09:51,395 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 2295 transitions. [2018-11-23 07:09:51,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 07:09:51,396 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:51,415 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 07:09:52,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:52,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 747 states and 2302 transitions. [2018-11-23 07:09:52,676 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 2302 transitions. [2018-11-23 07:09:52,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 07:09:52,676 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:52,695 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 07:09:53,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:53,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2322 states to 748 states and 2309 transitions. [2018-11-23 07:09:53,125 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 2309 transitions. [2018-11-23 07:09:53,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 07:09:53,125 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:53,144 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 07:09:53,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:53,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2324 states to 749 states and 2311 transitions. [2018-11-23 07:09:53,165 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 2311 transitions. [2018-11-23 07:09:53,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 07:09:53,166 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:53,185 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 07:09:53,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:53,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 750 states and 2314 transitions. [2018-11-23 07:09:53,221 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 2314 transitions. [2018-11-23 07:09:53,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 07:09:53,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:53,240 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:09:53,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:53,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2329 states to 751 states and 2316 transitions. [2018-11-23 07:09:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 2316 transitions. [2018-11-23 07:09:53,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 07:09:53,656 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:53,675 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:09:54,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:54,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 754 states and 2343 transitions. [2018-11-23 07:09:54,073 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 2343 transitions. [2018-11-23 07:09:54,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 07:09:54,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:54,088 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 07:09:55,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:55,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2380 states to 757 states and 2367 transitions. [2018-11-23 07:09:55,089 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 2367 transitions. [2018-11-23 07:09:55,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 07:09:55,090 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:55,106 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:09:55,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:55,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2384 states to 760 states and 2371 transitions. [2018-11-23 07:09:55,123 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 2371 transitions. [2018-11-23 07:09:55,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 07:09:55,124 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:55,153 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:09:55,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:55,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2387 states to 762 states and 2374 transitions. [2018-11-23 07:09:55,161 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 2374 transitions. [2018-11-23 07:09:55,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 07:09:55,162 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:55,190 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 07:09:56,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:56,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2395 states to 767 states and 2382 transitions. [2018-11-23 07:09:56,266 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 2382 transitions. [2018-11-23 07:09:56,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 07:09:56,266 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:56,512 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:09:56,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:56,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2395 states to 768 states and 2382 transitions. [2018-11-23 07:09:56,716 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 2382 transitions. [2018-11-23 07:09:56,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 07:09:56,717 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:56,732 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 07:09:57,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:57,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 771 states and 2391 transitions. [2018-11-23 07:09:57,725 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 2391 transitions. [2018-11-23 07:09:57,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 07:09:57,726 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:57,742 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 07:09:58,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:58,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 772 states and 2393 transitions. [2018-11-23 07:09:58,175 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 2393 transitions. [2018-11-23 07:09:58,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 07:09:58,176 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:58,202 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 07:09:58,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:58,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2407 states to 773 states and 2394 transitions. [2018-11-23 07:09:58,687 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 2394 transitions. [2018-11-23 07:09:58,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 07:09:58,688 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:58,705 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:09:58,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:09:58,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2408 states to 774 states and 2395 transitions. [2018-11-23 07:09:58,951 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 2395 transitions. [2018-11-23 07:09:58,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 07:09:58,952 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:09:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:09:58,970 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:10:00,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:00,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 776 states and 2402 transitions. [2018-11-23 07:10:00,069 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 2402 transitions. [2018-11-23 07:10:00,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 07:10:00,070 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:00,089 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:10:00,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:00,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 777 states and 2405 transitions. [2018-11-23 07:10:00,628 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 2405 transitions. [2018-11-23 07:10:00,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 07:10:00,629 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:00,643 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 07:10:01,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:01,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 778 states and 2405 transitions. [2018-11-23 07:10:01,141 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 2405 transitions. [2018-11-23 07:10:01,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 07:10:01,142 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:01,261 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:10:02,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:02,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2423 states to 781 states and 2410 transitions. [2018-11-23 07:10:02,153 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 2410 transitions. [2018-11-23 07:10:02,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 07:10:02,154 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:02,262 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:10:02,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:02,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 783 states and 2426 transitions. [2018-11-23 07:10:02,818 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 2426 transitions. [2018-11-23 07:10:02,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 07:10:02,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:02,929 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:10:03,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:03,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2454 states to 785 states and 2441 transitions. [2018-11-23 07:10:03,413 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 2441 transitions. [2018-11-23 07:10:03,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 07:10:03,414 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:03,429 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:10:04,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:04,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 788 states and 2444 transitions. [2018-11-23 07:10:04,148 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 2444 transitions. [2018-11-23 07:10:04,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 07:10:04,149 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:04,168 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 07:10:04,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:04,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 791 states and 2448 transitions. [2018-11-23 07:10:04,186 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 2448 transitions. [2018-11-23 07:10:04,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 07:10:04,187 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:04,205 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 07:10:04,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:04,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2462 states to 792 states and 2449 transitions. [2018-11-23 07:10:04,224 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 2449 transitions. [2018-11-23 07:10:04,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 07:10:04,225 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:04,246 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 07:10:04,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:04,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2462 states to 793 states and 2449 transitions. [2018-11-23 07:10:04,264 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 2449 transitions. [2018-11-23 07:10:04,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 07:10:04,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:04,282 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 07:10:04,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:04,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2463 states to 794 states and 2450 transitions. [2018-11-23 07:10:04,535 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 2450 transitions. [2018-11-23 07:10:04,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 07:10:04,536 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:04,552 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 07:10:05,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:05,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 797 states and 2456 transitions. [2018-11-23 07:10:05,480 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 2456 transitions. [2018-11-23 07:10:05,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 07:10:05,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:05,501 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 07:10:05,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:05,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 798 states and 2461 transitions. [2018-11-23 07:10:05,526 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 2461 transitions. [2018-11-23 07:10:05,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 07:10:05,527 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:05,545 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:10:05,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:05,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2476 states to 799 states and 2463 transitions. [2018-11-23 07:10:05,989 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 2463 transitions. [2018-11-23 07:10:05,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 07:10:05,990 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:06,006 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:10:06,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:06,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 802 states and 2482 transitions. [2018-11-23 07:10:06,906 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 2482 transitions. [2018-11-23 07:10:06,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 07:10:06,907 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:06,926 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 07:10:07,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:07,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 804 states and 2486 transitions. [2018-11-23 07:10:07,536 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 2486 transitions. [2018-11-23 07:10:07,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 07:10:07,537 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:07,556 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:10:07,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:07,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2505 states to 807 states and 2492 transitions. [2018-11-23 07:10:07,574 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 2492 transitions. [2018-11-23 07:10:07,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 07:10:07,575 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:07,901 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:10:08,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:08,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 811 states and 2502 transitions. [2018-11-23 07:10:08,810 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 2502 transitions. [2018-11-23 07:10:08,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 07:10:08,810 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:08,832 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:10:09,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:09,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 812 states and 2508 transitions. [2018-11-23 07:10:09,134 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 2508 transitions. [2018-11-23 07:10:09,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 07:10:09,135 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:09,157 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 07:10:09,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:09,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 813 states and 2508 transitions. [2018-11-23 07:10:09,435 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 2508 transitions. [2018-11-23 07:10:09,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 07:10:09,435 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:09,460 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 07:10:09,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:09,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2525 states to 816 states and 2512 transitions. [2018-11-23 07:10:09,507 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 2512 transitions. [2018-11-23 07:10:09,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 07:10:09,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:09,543 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:09,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:09,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2528 states to 818 states and 2515 transitions. [2018-11-23 07:10:09,571 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 2515 transitions. [2018-11-23 07:10:09,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 07:10:09,572 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:09,606 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 07:10:10,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:10,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2536 states to 823 states and 2523 transitions. [2018-11-23 07:10:10,703 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 2523 transitions. [2018-11-23 07:10:10,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 07:10:10,704 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:10,734 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 07:10:12,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:12,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2547 states to 827 states and 2534 transitions. [2018-11-23 07:10:12,005 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 2534 transitions. [2018-11-23 07:10:12,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 07:10:12,006 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:12,024 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 07:10:12,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:12,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 828 states and 2535 transitions. [2018-11-23 07:10:12,506 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 2535 transitions. [2018-11-23 07:10:12,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 07:10:12,506 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:12,521 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 07:10:13,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:13,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2553 states to 831 states and 2540 transitions. [2018-11-23 07:10:13,388 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 2540 transitions. [2018-11-23 07:10:13,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 07:10:13,388 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:13,403 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:14,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:14,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2574 states to 834 states and 2561 transitions. [2018-11-23 07:10:14,262 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 2561 transitions. [2018-11-23 07:10:14,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 07:10:14,262 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:14,276 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:14,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:14,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 837 states and 2586 transitions. [2018-11-23 07:10:14,502 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 2586 transitions. [2018-11-23 07:10:14,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 07:10:14,503 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:14,517 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:14,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:14,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 840 states and 2611 transitions. [2018-11-23 07:10:14,763 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 2611 transitions. [2018-11-23 07:10:14,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 07:10:14,764 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:15,166 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 07:10:16,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:16,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2631 states to 845 states and 2618 transitions. [2018-11-23 07:10:16,441 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 2618 transitions. [2018-11-23 07:10:16,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 07:10:16,442 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:16,669 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:10:16,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:16,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 845 states and 2616 transitions. [2018-11-23 07:10:16,788 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 2616 transitions. [2018-11-23 07:10:16,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 07:10:16,789 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:16,804 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 07:10:17,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:17,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2635 states to 849 states and 2622 transitions. [2018-11-23 07:10:17,407 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 2622 transitions. [2018-11-23 07:10:17,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 07:10:17,408 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:17,424 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 07:10:17,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:17,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2639 states to 852 states and 2626 transitions. [2018-11-23 07:10:17,442 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 2626 transitions. [2018-11-23 07:10:17,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 07:10:17,444 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:17,470 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 07:10:17,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:17,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2640 states to 853 states and 2627 transitions. [2018-11-23 07:10:17,504 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 2627 transitions. [2018-11-23 07:10:17,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 07:10:17,506 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:17,780 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:10:18,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:18,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2641 states to 854 states and 2628 transitions. [2018-11-23 07:10:18,226 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 2628 transitions. [2018-11-23 07:10:18,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 07:10:18,227 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:18,248 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:18,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:18,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 856 states and 2631 transitions. [2018-11-23 07:10:18,263 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 2631 transitions. [2018-11-23 07:10:18,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 07:10:18,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:18,286 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 07:10:19,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:19,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2652 states to 861 states and 2639 transitions. [2018-11-23 07:10:19,474 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 2639 transitions. [2018-11-23 07:10:19,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 07:10:19,475 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:19,495 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:19,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:19,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2655 states to 863 states and 2642 transitions. [2018-11-23 07:10:19,510 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 2642 transitions. [2018-11-23 07:10:19,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 07:10:19,511 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:19,725 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:10:20,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:20,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2658 states to 866 states and 2645 transitions. [2018-11-23 07:10:20,224 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 2645 transitions. [2018-11-23 07:10:20,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 07:10:20,225 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:20,248 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 07:10:21,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:21,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2666 states to 871 states and 2653 transitions. [2018-11-23 07:10:21,380 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 2653 transitions. [2018-11-23 07:10:21,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 07:10:21,381 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:21,404 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:10:21,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:21,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2669 states to 873 states and 2656 transitions. [2018-11-23 07:10:21,422 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 2656 transitions. [2018-11-23 07:10:21,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 07:10:21,423 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:21,446 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 07:10:22,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:22,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2677 states to 878 states and 2664 transitions. [2018-11-23 07:10:22,556 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 2664 transitions. [2018-11-23 07:10:22,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 07:10:22,557 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:22,577 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 07:10:22,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:22,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2679 states to 880 states and 2666 transitions. [2018-11-23 07:10:22,591 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 2666 transitions. [2018-11-23 07:10:22,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 07:10:22,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:22,607 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 07:10:23,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:23,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2682 states to 883 states and 2669 transitions. [2018-11-23 07:10:23,170 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 2669 transitions. [2018-11-23 07:10:23,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 07:10:23,171 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:23,193 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 07:10:24,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:24,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 888 states and 2677 transitions. [2018-11-23 07:10:24,328 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 2677 transitions. [2018-11-23 07:10:24,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 07:10:24,329 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:24,353 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:10:24,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:24,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 890 states and 2680 transitions. [2018-11-23 07:10:24,372 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 2680 transitions. [2018-11-23 07:10:24,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 07:10:24,372 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:24,395 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 07:10:24,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:24,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2695 states to 892 states and 2682 transitions. [2018-11-23 07:10:24,414 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 2682 transitions. [2018-11-23 07:10:24,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 07:10:24,415 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:24,437 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:24,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:24,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2695 states to 893 states and 2682 transitions. [2018-11-23 07:10:24,972 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 2682 transitions. [2018-11-23 07:10:24,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 07:10:24,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:24,995 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 07:10:26,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:26,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2703 states to 898 states and 2690 transitions. [2018-11-23 07:10:26,241 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 2690 transitions. [2018-11-23 07:10:26,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 07:10:26,242 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:26,262 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:10:26,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:26,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 900 states and 2693 transitions. [2018-11-23 07:10:26,278 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 2693 transitions. [2018-11-23 07:10:26,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 07:10:26,279 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:26,303 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:10:27,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:27,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 905 states and 2702 transitions. [2018-11-23 07:10:27,412 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 2702 transitions. [2018-11-23 07:10:27,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 07:10:27,413 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:27,437 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 07:10:27,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:27,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 907 states and 2704 transitions. [2018-11-23 07:10:27,459 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 2704 transitions. [2018-11-23 07:10:27,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 07:10:27,460 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:27,492 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 07:10:27,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:27,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 908 states and 2704 transitions. [2018-11-23 07:10:27,857 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 2704 transitions. [2018-11-23 07:10:27,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 07:10:27,858 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:27,876 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:10:29,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:29,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2723 states to 911 states and 2710 transitions. [2018-11-23 07:10:29,087 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 2710 transitions. [2018-11-23 07:10:29,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 07:10:29,088 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:29,105 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:10:29,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:29,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 912 states and 2711 transitions. [2018-11-23 07:10:29,121 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 2711 transitions. [2018-11-23 07:10:29,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 07:10:29,122 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:29,138 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 07:10:29,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:29,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 913 states and 2711 transitions. [2018-11-23 07:10:29,205 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 2711 transitions. [2018-11-23 07:10:29,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 07:10:29,206 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:29,222 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:29,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:29,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 914 states and 2711 transitions. [2018-11-23 07:10:29,286 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 2711 transitions. [2018-11-23 07:10:29,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 07:10:29,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:29,309 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 07:10:29,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:29,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 916 states and 2715 transitions. [2018-11-23 07:10:29,328 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 2715 transitions. [2018-11-23 07:10:29,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 07:10:29,329 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:29,354 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:10:29,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:29,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 917 states and 2715 transitions. [2018-11-23 07:10:29,375 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 2715 transitions. [2018-11-23 07:10:29,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 07:10:29,376 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:29,397 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:10:29,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:29,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2731 states to 919 states and 2718 transitions. [2018-11-23 07:10:29,416 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 2718 transitions. [2018-11-23 07:10:29,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 07:10:29,417 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:29,447 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 07:10:29,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:29,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2733 states to 921 states and 2720 transitions. [2018-11-23 07:10:29,476 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 2720 transitions. [2018-11-23 07:10:29,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 07:10:29,477 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:29,758 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 07:10:30,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:30,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2732 states to 922 states and 2719 transitions. [2018-11-23 07:10:30,557 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 2719 transitions. [2018-11-23 07:10:30,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 07:10:30,558 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:30,573 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:10:30,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:30,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2732 states to 923 states and 2719 transitions. [2018-11-23 07:10:30,588 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 2719 transitions. [2018-11-23 07:10:30,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 07:10:30,589 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:30,605 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 07:10:30,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:30,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 926 states and 2724 transitions. [2018-11-23 07:10:30,754 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 2724 transitions. [2018-11-23 07:10:30,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 07:10:30,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:30,779 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:31,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:31,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2741 states to 928 states and 2728 transitions. [2018-11-23 07:10:31,927 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 2728 transitions. [2018-11-23 07:10:31,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 07:10:31,928 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:31,952 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:32,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:32,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2742 states to 929 states and 2729 transitions. [2018-11-23 07:10:32,428 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 2729 transitions. [2018-11-23 07:10:32,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 07:10:32,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:32,453 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 07:10:32,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:32,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 930 states and 2733 transitions. [2018-11-23 07:10:32,487 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 2733 transitions. [2018-11-23 07:10:32,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 07:10:32,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:32,512 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:10:32,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:32,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 931 states and 2733 transitions. [2018-11-23 07:10:32,544 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 2733 transitions. [2018-11-23 07:10:32,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 07:10:32,545 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:32,569 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 07:10:32,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:32,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2748 states to 933 states and 2735 transitions. [2018-11-23 07:10:32,592 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 2735 transitions. [2018-11-23 07:10:32,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 07:10:32,593 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:32,618 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:33,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:33,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 935 states and 2739 transitions. [2018-11-23 07:10:33,719 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 2739 transitions. [2018-11-23 07:10:33,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 07:10:33,720 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:33,744 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:10:33,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:33,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 938 states and 2742 transitions. [2018-11-23 07:10:33,765 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 2742 transitions. [2018-11-23 07:10:33,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 07:10:33,766 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:33,795 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 07:10:33,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:33,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 939 states and 2746 transitions. [2018-11-23 07:10:33,852 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 2746 transitions. [2018-11-23 07:10:33,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 07:10:33,853 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:33,878 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:10:33,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:33,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2760 states to 940 states and 2747 transitions. [2018-11-23 07:10:33,902 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 2747 transitions. [2018-11-23 07:10:33,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 07:10:33,903 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:33,925 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:10:33,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:33,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2760 states to 941 states and 2747 transitions. [2018-11-23 07:10:33,940 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 2747 transitions. [2018-11-23 07:10:33,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 07:10:33,941 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:33,958 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-23 07:10:33,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:33,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2760 states to 942 states and 2747 transitions. [2018-11-23 07:10:33,978 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 2747 transitions. [2018-11-23 07:10:33,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 07:10:33,979 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:33,999 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 07:10:34,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:34,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2765 states to 945 states and 2752 transitions. [2018-11-23 07:10:34,607 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 2752 transitions. [2018-11-23 07:10:34,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 07:10:34,607 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:34,625 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 07:10:34,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:34,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 947 states and 2757 transitions. [2018-11-23 07:10:34,915 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 2757 transitions. [2018-11-23 07:10:34,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 07:10:34,916 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:34,931 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 07:10:35,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:35,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2773 states to 949 states and 2760 transitions. [2018-11-23 07:10:35,197 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 2760 transitions. [2018-11-23 07:10:35,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 07:10:35,198 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:35,214 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 07:10:35,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:35,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 952 states and 2764 transitions. [2018-11-23 07:10:35,588 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 2764 transitions. [2018-11-23 07:10:35,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 07:10:35,588 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:35,604 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:37,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:37,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2792 states to 961 states and 2777 transitions. [2018-11-23 07:10:37,071 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 2777 transitions. [2018-11-23 07:10:37,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 07:10:37,071 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:37,087 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:37,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:37,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 970 states and 2790 transitions. [2018-11-23 07:10:37,144 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 2790 transitions. [2018-11-23 07:10:37,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 07:10:37,145 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:37,199 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 07:10:37,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:37,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2809 states to 972 states and 2792 transitions. [2018-11-23 07:10:37,232 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 2792 transitions. [2018-11-23 07:10:37,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 07:10:37,235 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:37,275 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:38,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:38,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 974 states and 2797 transitions. [2018-11-23 07:10:38,571 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 2797 transitions. [2018-11-23 07:10:38,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 07:10:38,572 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:38,602 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:10:38,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:38,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2817 states to 977 states and 2800 transitions. [2018-11-23 07:10:38,634 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 2800 transitions. [2018-11-23 07:10:38,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 07:10:38,634 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:38,657 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:39,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:39,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 978 states and 2802 transitions. [2018-11-23 07:10:39,047 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 2802 transitions. [2018-11-23 07:10:39,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 07:10:39,048 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:39,087 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:10:39,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:39,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 979 states and 2803 transitions. [2018-11-23 07:10:39,116 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 2803 transitions. [2018-11-23 07:10:39,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 07:10:39,118 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:39,139 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:39,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:39,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 980 states and 2803 transitions. [2018-11-23 07:10:39,168 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 2803 transitions. [2018-11-23 07:10:39,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 07:10:39,169 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:39,202 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:39,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:39,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 981 states and 2803 transitions. [2018-11-23 07:10:39,224 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 2803 transitions. [2018-11-23 07:10:39,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 07:10:39,225 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:39,246 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 07:10:39,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:39,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 982 states and 2803 transitions. [2018-11-23 07:10:39,282 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 2803 transitions. [2018-11-23 07:10:39,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 07:10:39,283 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:39,306 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:39,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:39,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2821 states to 983 states and 2804 transitions. [2018-11-23 07:10:39,600 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 2804 transitions. [2018-11-23 07:10:39,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 07:10:39,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:39,616 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 07:10:40,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:40,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2821 states to 984 states and 2804 transitions. [2018-11-23 07:10:40,205 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 2804 transitions. [2018-11-23 07:10:40,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 07:10:40,206 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:40,223 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 07:10:40,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:40,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2822 states to 985 states and 2805 transitions. [2018-11-23 07:10:40,796 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 2805 transitions. [2018-11-23 07:10:40,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 07:10:40,797 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:40,812 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 07:10:41,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:41,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 988 states and 2810 transitions. [2018-11-23 07:10:41,159 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 2810 transitions. [2018-11-23 07:10:41,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 07:10:41,160 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:41,176 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 07:10:41,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:41,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2851 states to 992 states and 2834 transitions. [2018-11-23 07:10:41,760 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 2834 transitions. [2018-11-23 07:10:41,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 07:10:41,760 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:41,777 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-23 07:10:41,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:41,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2851 states to 993 states and 2834 transitions. [2018-11-23 07:10:41,798 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 2834 transitions. [2018-11-23 07:10:41,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 07:10:41,799 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:41,816 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 07:10:42,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:42,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 994 states and 2837 transitions. [2018-11-23 07:10:42,199 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 2837 transitions. [2018-11-23 07:10:42,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 07:10:42,199 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:42,217 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 07:10:42,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:42,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2855 states to 995 states and 2838 transitions. [2018-11-23 07:10:42,832 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 2838 transitions. [2018-11-23 07:10:42,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 07:10:42,833 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:42,850 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 07:10:43,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:43,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2856 states to 996 states and 2839 transitions. [2018-11-23 07:10:43,448 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 2839 transitions. [2018-11-23 07:10:43,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 07:10:43,449 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:43,466 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 07:10:43,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:43,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2856 states to 997 states and 2839 transitions. [2018-11-23 07:10:43,485 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 2839 transitions. [2018-11-23 07:10:43,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 07:10:43,486 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:43,504 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 07:10:43,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:43,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2856 states to 998 states and 2839 transitions. [2018-11-23 07:10:43,558 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 2839 transitions. [2018-11-23 07:10:43,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 07:10:43,559 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:43,574 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:44,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:44,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2871 states to 1007 states and 2852 transitions. [2018-11-23 07:10:44,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 2852 transitions. [2018-11-23 07:10:44,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 07:10:44,735 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:44,753 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:44,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:44,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2886 states to 1016 states and 2865 transitions. [2018-11-23 07:10:44,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 2865 transitions. [2018-11-23 07:10:44,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 07:10:44,832 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:44,853 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 07:10:44,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:44,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2888 states to 1018 states and 2867 transitions. [2018-11-23 07:10:44,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 2867 transitions. [2018-11-23 07:10:44,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 07:10:44,872 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:44,898 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:45,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:45,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2888 states to 1019 states and 2867 transitions. [2018-11-23 07:10:45,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 2867 transitions. [2018-11-23 07:10:45,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 07:10:45,189 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:45,213 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:46,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:46,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2898 states to 1022 states and 2877 transitions. [2018-11-23 07:10:46,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 2877 transitions. [2018-11-23 07:10:46,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 07:10:46,490 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:46,511 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 07:10:46,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:46,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 1023 states and 2879 transitions. [2018-11-23 07:10:46,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 2879 transitions. [2018-11-23 07:10:46,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 07:10:46,840 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:46,866 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:10:46,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:46,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2903 states to 1026 states and 2882 transitions. [2018-11-23 07:10:46,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 2882 transitions. [2018-11-23 07:10:46,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 07:10:46,936 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:46,961 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:47,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:47,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 1028 states and 2884 transitions. [2018-11-23 07:10:47,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 2884 transitions. [2018-11-23 07:10:47,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 07:10:47,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:47,312 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:47,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:47,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 1029 states and 2887 transitions. [2018-11-23 07:10:47,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 2887 transitions. [2018-11-23 07:10:47,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 07:10:47,725 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:47,750 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:47,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:47,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 1030 states and 2888 transitions. [2018-11-23 07:10:47,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 2888 transitions. [2018-11-23 07:10:47,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 07:10:47,779 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:47,810 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:10:47,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:47,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2910 states to 1031 states and 2889 transitions. [2018-11-23 07:10:47,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 2889 transitions. [2018-11-23 07:10:47,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 07:10:47,854 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:47,881 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-23 07:10:48,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:48,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2910 states to 1032 states and 2889 transitions. [2018-11-23 07:10:48,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 2889 transitions. [2018-11-23 07:10:48,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 07:10:48,214 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:48,240 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 07:10:48,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:48,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2912 states to 1033 states and 2891 transitions. [2018-11-23 07:10:48,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 2891 transitions. [2018-11-23 07:10:48,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 07:10:48,936 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:48,963 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 07:10:49,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:49,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2912 states to 1034 states and 2891 transitions. [2018-11-23 07:10:49,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 2891 transitions. [2018-11-23 07:10:49,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 07:10:49,009 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:49,037 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:49,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:49,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2912 states to 1035 states and 2891 transitions. [2018-11-23 07:10:49,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 2891 transitions. [2018-11-23 07:10:49,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 07:10:49,313 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:49,334 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 07:10:49,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:49,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2913 states to 1036 states and 2892 transitions. [2018-11-23 07:10:49,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 2892 transitions. [2018-11-23 07:10:49,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 07:10:49,659 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:49,686 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:49,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:49,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2913 states to 1037 states and 2892 transitions. [2018-11-23 07:10:49,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 2892 transitions. [2018-11-23 07:10:49,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 07:10:49,781 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:49,806 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 07:10:49,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:49,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2915 states to 1038 states and 2894 transitions. [2018-11-23 07:10:49,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 2894 transitions. [2018-11-23 07:10:49,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 07:10:49,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:49,862 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 07:10:49,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:49,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2915 states to 1039 states and 2894 transitions. [2018-11-23 07:10:49,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 2894 transitions. [2018-11-23 07:10:49,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 07:10:49,893 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:49,912 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 07:10:50,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:50,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 1040 states and 2895 transitions. [2018-11-23 07:10:50,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 2895 transitions. [2018-11-23 07:10:50,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 07:10:50,633 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:50,652 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 07:10:51,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:51,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 1041 states and 2896 transitions. [2018-11-23 07:10:51,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 2896 transitions. [2018-11-23 07:10:51,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 07:10:51,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:51,480 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 07:10:52,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:52,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 1044 states and 2902 transitions. [2018-11-23 07:10:52,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 2902 transitions. [2018-11-23 07:10:52,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 07:10:52,087 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:52,105 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 07:10:52,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:52,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 1046 states and 2904 transitions. [2018-11-23 07:10:52,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 2904 transitions. [2018-11-23 07:10:52,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 07:10:52,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:52,493 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 07:10:52,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:52,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 1047 states and 2904 transitions. [2018-11-23 07:10:52,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 2904 transitions. [2018-11-23 07:10:52,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 07:10:52,848 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:52,868 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 07:10:52,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:52,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 1049 states and 2907 transitions. [2018-11-23 07:10:52,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 2907 transitions. [2018-11-23 07:10:52,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 07:10:52,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:52,994 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 07:10:53,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:53,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2930 states to 1050 states and 2909 transitions. [2018-11-23 07:10:53,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 2909 transitions. [2018-11-23 07:10:53,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 07:10:53,026 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:53,046 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 07:10:53,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:53,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2934 states to 1052 states and 2913 transitions. [2018-11-23 07:10:53,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 2913 transitions. [2018-11-23 07:10:53,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 07:10:53,077 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:53,097 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 07:10:53,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:53,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2939 states to 1054 states and 2918 transitions. [2018-11-23 07:10:53,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 2918 transitions. [2018-11-23 07:10:53,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 07:10:53,260 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:53,278 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 07:10:53,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:53,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2942 states to 1056 states and 2921 transitions. [2018-11-23 07:10:53,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 2921 transitions. [2018-11-23 07:10:53,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 07:10:53,308 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:53,327 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 07:10:53,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:53,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2945 states to 1058 states and 2924 transitions. [2018-11-23 07:10:53,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 2924 transitions. [2018-11-23 07:10:53,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 07:10:53,354 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:53,376 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 07:10:53,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:53,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2955 states to 1061 states and 2934 transitions. [2018-11-23 07:10:53,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 2934 transitions. [2018-11-23 07:10:53,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 07:10:53,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:53,926 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 07:10:54,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:54,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2956 states to 1063 states and 2935 transitions. [2018-11-23 07:10:54,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 2935 transitions. [2018-11-23 07:10:54,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 07:10:54,096 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:54,113 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:10:54,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:54,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2957 states to 1063 states and 2932 transitions. [2018-11-23 07:10:54,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 2932 transitions. [2018-11-23 07:10:54,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 07:10:54,158 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:54,176 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:10:54,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:54,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2958 states to 1063 states and 2929 transitions. [2018-11-23 07:10:54,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 2929 transitions. [2018-11-23 07:10:54,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 07:10:54,214 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:54,240 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 07:10:54,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:54,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2963 states to 1067 states and 2934 transitions. [2018-11-23 07:10:54,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 2934 transitions. [2018-11-23 07:10:54,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 07:10:54,360 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:54,382 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:10:54,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:54,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2966 states to 1070 states and 2937 transitions. [2018-11-23 07:10:54,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 2937 transitions. [2018-11-23 07:10:54,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 07:10:54,465 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:54,491 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:54,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:54,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2968 states to 1072 states and 2939 transitions. [2018-11-23 07:10:54,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 2939 transitions. [2018-11-23 07:10:54,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 07:10:54,518 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:54,543 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:10:54,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:54,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2971 states to 1075 states and 2942 transitions. [2018-11-23 07:10:54,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 2942 transitions. [2018-11-23 07:10:54,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 07:10:54,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:54,592 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:10:54,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:54,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2972 states to 1076 states and 2943 transitions. [2018-11-23 07:10:54,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 2943 transitions. [2018-11-23 07:10:54,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 07:10:54,642 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:54,668 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:54,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:54,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2972 states to 1077 states and 2943 transitions. [2018-11-23 07:10:54,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 2943 transitions. [2018-11-23 07:10:54,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 07:10:54,718 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:54,747 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 07:10:55,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:55,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2974 states to 1078 states and 2945 transitions. [2018-11-23 07:10:55,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 2945 transitions. [2018-11-23 07:10:55,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 07:10:55,135 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:55,160 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:10:55,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:55,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2975 states to 1079 states and 2946 transitions. [2018-11-23 07:10:55,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 2946 transitions. [2018-11-23 07:10:55,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 07:10:55,182 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:55,208 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:55,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:55,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2976 states to 1080 states and 2947 transitions. [2018-11-23 07:10:55,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 2947 transitions. [2018-11-23 07:10:55,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 07:10:55,261 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:55,289 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 07:10:55,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:55,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2977 states to 1081 states and 2948 transitions. [2018-11-23 07:10:55,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 2948 transitions. [2018-11-23 07:10:55,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 07:10:55,650 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:55,678 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 07:10:57,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:57,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 1087 states and 2957 transitions. [2018-11-23 07:10:57,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 2957 transitions. [2018-11-23 07:10:57,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 07:10:57,153 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:57,179 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:57,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:57,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 1088 states and 2957 transitions. [2018-11-23 07:10:57,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 2957 transitions. [2018-11-23 07:10:57,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 07:10:57,228 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:57,254 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:57,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:57,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 1089 states and 2957 transitions. [2018-11-23 07:10:57,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 2957 transitions. [2018-11-23 07:10:57,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 07:10:57,275 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:57,294 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 07:10:58,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:58,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2987 states to 1090 states and 2958 transitions. [2018-11-23 07:10:58,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 2958 transitions. [2018-11-23 07:10:58,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 07:10:58,040 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:58,060 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 07:10:58,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:58,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2990 states to 1093 states and 2961 transitions. [2018-11-23 07:10:58,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 2961 transitions. [2018-11-23 07:10:58,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 07:10:58,084 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:58,103 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 07:10:58,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:58,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2990 states to 1094 states and 2961 transitions. [2018-11-23 07:10:58,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 2961 transitions. [2018-11-23 07:10:58,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 07:10:58,126 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:58,269 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 07:10:58,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:58,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2993 states to 1096 states and 2964 transitions. [2018-11-23 07:10:58,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 2964 transitions. [2018-11-23 07:10:58,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 07:10:58,357 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:58,372 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 07:10:58,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:58,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2997 states to 1099 states and 2968 transitions. [2018-11-23 07:10:58,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2968 transitions. [2018-11-23 07:10:58,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 07:10:58,502 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:58,518 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:59,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:59,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3012 states to 1108 states and 2981 transitions. [2018-11-23 07:10:59,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2981 transitions. [2018-11-23 07:10:59,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 07:10:59,199 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:59,219 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:59,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:59,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3027 states to 1117 states and 2994 transitions. [2018-11-23 07:10:59,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 2994 transitions. [2018-11-23 07:10:59,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 07:10:59,299 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:59,324 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:59,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:59,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3027 states to 1118 states and 2994 transitions. [2018-11-23 07:10:59,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 2994 transitions. [2018-11-23 07:10:59,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 07:10:59,372 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:59,399 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:10:59,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:10:59,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3027 states to 1119 states and 2994 transitions. [2018-11-23 07:10:59,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 2994 transitions. [2018-11-23 07:10:59,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 07:10:59,422 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:10:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:10:59,448 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 07:11:00,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:00,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3036 states to 1125 states and 3003 transitions. [2018-11-23 07:11:00,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 3003 transitions. [2018-11-23 07:11:00,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 07:11:00,944 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:00,960 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 07:11:01,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:01,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3033 states to 1124 states and 3000 transitions. [2018-11-23 07:11:01,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 3000 transitions. [2018-11-23 07:11:01,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 07:11:01,047 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:01,062 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 07:11:01,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:01,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3032 states to 1124 states and 2999 transitions. [2018-11-23 07:11:01,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 2999 transitions. [2018-11-23 07:11:01,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 07:11:01,114 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:01,132 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 39 proven. 12 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 07:11:01,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:01,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3033 states to 1125 states and 3000 transitions. [2018-11-23 07:11:01,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 3000 transitions. [2018-11-23 07:11:01,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 07:11:01,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:01,481 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 07:11:01,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:01,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3033 states to 1126 states and 3000 transitions. [2018-11-23 07:11:01,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 3000 transitions. [2018-11-23 07:11:01,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 07:11:01,541 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:01,556 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 07:11:01,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:01,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3036 states to 1128 states and 3003 transitions. [2018-11-23 07:11:01,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 3003 transitions. [2018-11-23 07:11:01,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 07:11:01,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:01,679 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 41 proven. 12 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 07:11:01,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:01,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3037 states to 1129 states and 3004 transitions. [2018-11-23 07:11:01,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 3004 transitions. [2018-11-23 07:11:01,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 07:11:01,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:01,732 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 07:11:01,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:01,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3037 states to 1130 states and 3004 transitions. [2018-11-23 07:11:01,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 3004 transitions. [2018-11-23 07:11:01,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 07:11:01,794 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:01,812 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 07:11:01,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:01,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3037 states to 1131 states and 3004 transitions. [2018-11-23 07:11:01,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 3004 transitions. [2018-11-23 07:11:01,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 07:11:01,873 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:01,895 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 07:11:03,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:03,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3048 states to 1133 states and 3015 transitions. [2018-11-23 07:11:03,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 3015 transitions. [2018-11-23 07:11:03,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 07:11:03,487 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:03,510 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 07:11:04,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:04,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3048 states to 1134 states and 3015 transitions. [2018-11-23 07:11:04,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 3015 transitions. [2018-11-23 07:11:04,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 07:11:04,124 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:04,150 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 07:11:05,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:05,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 1140 states and 3024 transitions. [2018-11-23 07:11:05,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 3024 transitions. [2018-11-23 07:11:05,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 07:11:05,676 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:05,693 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 07:11:05,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:05,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 1141 states and 3024 transitions. [2018-11-23 07:11:05,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 3024 transitions. [2018-11-23 07:11:05,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 07:11:05,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:05,779 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 07:11:06,057 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-23 07:11:06,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:06,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 1144 states and 3027 transitions. [2018-11-23 07:11:06,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 3027 transitions. [2018-11-23 07:11:06,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 07:11:06,706 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:06,725 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 07:11:06,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:06,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3064 states to 1147 states and 3031 transitions. [2018-11-23 07:11:06,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 3031 transitions. [2018-11-23 07:11:06,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 07:11:06,883 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:06,903 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 07:11:07,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:07,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 1150 states and 3041 transitions. [2018-11-23 07:11:07,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 3041 transitions. [2018-11-23 07:11:07,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 07:11:07,052 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:07,069 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 07:11:07,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:07,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3091 states to 1152 states and 3058 transitions. [2018-11-23 07:11:07,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 3058 transitions. [2018-11-23 07:11:07,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 07:11:07,714 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:07,731 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 07:11:08,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:08,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3109 states to 1154 states and 3076 transitions. [2018-11-23 07:11:08,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 3076 transitions. [2018-11-23 07:11:08,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 07:11:08,407 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:08,432 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 23 proven. 14 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 07:11:09,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:09,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3113 states to 1156 states and 3080 transitions. [2018-11-23 07:11:09,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 3080 transitions. [2018-11-23 07:11:09,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 07:11:09,986 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:10,012 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 07:11:10,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:10,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3113 states to 1157 states and 3080 transitions. [2018-11-23 07:11:10,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 3080 transitions. [2018-11-23 07:11:10,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 07:11:10,358 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:10,381 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 07:11:11,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:11,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3122 states to 1163 states and 3089 transitions. [2018-11-23 07:11:11,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 3089 transitions. [2018-11-23 07:11:11,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 07:11:11,964 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:11,987 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 07:11:13,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:13,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3124 states to 1165 states and 3091 transitions. [2018-11-23 07:11:13,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 3091 transitions. [2018-11-23 07:11:13,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 07:11:13,640 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:13,664 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 07:11:14,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:14,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3126 states to 1166 states and 3093 transitions. [2018-11-23 07:11:14,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 3093 transitions. [2018-11-23 07:11:14,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 07:11:14,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:14,486 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 07:11:14,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:14,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3130 states to 1169 states and 3097 transitions. [2018-11-23 07:11:14,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 3097 transitions. [2018-11-23 07:11:14,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 07:11:14,897 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:14,921 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 07:11:15,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:15,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3134 states to 1172 states and 3101 transitions. [2018-11-23 07:11:15,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 3101 transitions. [2018-11-23 07:11:15,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 07:11:15,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:15,218 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:11:15,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:15,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3153 states to 1181 states and 3118 transitions. [2018-11-23 07:11:15,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 3118 transitions. [2018-11-23 07:11:15,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 07:11:15,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:15,995 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:11:16,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:16,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3172 states to 1190 states and 3135 transitions. [2018-11-23 07:11:16,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 3135 transitions. [2018-11-23 07:11:16,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 07:11:16,074 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:16,098 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 07:11:16,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:16,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3173 states to 1191 states and 3136 transitions. [2018-11-23 07:11:16,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 3136 transitions. [2018-11-23 07:11:16,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 07:11:16,525 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:16,544 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 07:11:16,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:16,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3174 states to 1192 states and 3137 transitions. [2018-11-23 07:11:16,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 3137 transitions. [2018-11-23 07:11:16,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 07:11:16,985 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:17,139 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 07:11:17,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:17,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3175 states to 1193 states and 3138 transitions. [2018-11-23 07:11:17,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 3138 transitions. [2018-11-23 07:11:17,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 07:11:17,189 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:17,216 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:11:18,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:18,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3181 states to 1196 states and 3144 transitions. [2018-11-23 07:11:18,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 3144 transitions. [2018-11-23 07:11:18,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 07:11:18,543 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:18,703 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 07:11:18,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:18,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3182 states to 1197 states and 3145 transitions. [2018-11-23 07:11:18,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 3145 transitions. [2018-11-23 07:11:18,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 07:11:18,754 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:18,781 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 07:11:19,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:19,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3188 states to 1201 states and 3151 transitions. [2018-11-23 07:11:19,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 3151 transitions. [2018-11-23 07:11:19,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 07:11:19,946 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:20,097 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 07:11:20,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:20,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3188 states to 1202 states and 3151 transitions. [2018-11-23 07:11:20,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 3151 transitions. [2018-11-23 07:11:20,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 07:11:20,149 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:20,178 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 07:11:20,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:20,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3189 states to 1203 states and 3152 transitions. [2018-11-23 07:11:20,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 3152 transitions. [2018-11-23 07:11:20,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 07:11:20,239 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:20,397 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 07:11:20,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:20,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3189 states to 1204 states and 3152 transitions. [2018-11-23 07:11:20,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 3152 transitions. [2018-11-23 07:11:20,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 07:11:20,458 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:20,478 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 07:11:20,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:20,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 1206 states and 3157 transitions. [2018-11-23 07:11:20,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 3157 transitions. [2018-11-23 07:11:20,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 07:11:20,496 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:20,520 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 07:11:21,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:21,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3195 states to 1207 states and 3158 transitions. [2018-11-23 07:11:21,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 3158 transitions. [2018-11-23 07:11:21,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 07:11:21,006 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:21,030 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 07:11:21,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:21,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3199 states to 1209 states and 3162 transitions. [2018-11-23 07:11:21,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 3162 transitions. [2018-11-23 07:11:21,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 07:11:21,769 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:21,789 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 07:11:21,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:21,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 1210 states and 3163 transitions. [2018-11-23 07:11:21,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 3163 transitions. [2018-11-23 07:11:21,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 07:11:21,857 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:21,877 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 07:11:21,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:21,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 1211 states and 3163 transitions. [2018-11-23 07:11:21,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 3163 transitions. [2018-11-23 07:11:21,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 07:11:21,898 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:21,920 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 07:11:22,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:22,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3201 states to 1212 states and 3164 transitions. [2018-11-23 07:11:22,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 3164 transitions. [2018-11-23 07:11:22,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 07:11:22,656 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:22,680 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 07:11:23,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:23,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3202 states to 1213 states and 3165 transitions. [2018-11-23 07:11:23,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 3165 transitions. [2018-11-23 07:11:23,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 07:11:23,659 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:23,684 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-23 07:11:24,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:24,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3202 states to 1214 states and 3165 transitions. [2018-11-23 07:11:24,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 3165 transitions. [2018-11-23 07:11:24,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 07:11:24,075 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:24,104 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 07:11:25,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:25,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 1220 states and 3176 transitions. [2018-11-23 07:11:25,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 3176 transitions. [2018-11-23 07:11:25,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 07:11:25,691 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:25,709 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 07:11:26,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:26,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3216 states to 1223 states and 3179 transitions. [2018-11-23 07:11:26,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 3179 transitions. [2018-11-23 07:11:26,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 07:11:26,558 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:26,580 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 07:11:26,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:26,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3216 states to 1224 states and 3179 transitions. [2018-11-23 07:11:26,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 3179 transitions. [2018-11-23 07:11:26,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 07:11:26,599 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:26,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:26,623 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 07:11:27,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:27,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3218 states to 1225 states and 3181 transitions. [2018-11-23 07:11:27,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 3181 transitions. [2018-11-23 07:11:27,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 07:11:27,141 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:27,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:27,165 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 07:11:27,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:27,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3219 states to 1226 states and 3182 transitions. [2018-11-23 07:11:27,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 3182 transitions. [2018-11-23 07:11:27,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 07:11:27,225 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:27,249 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 07:11:27,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:27,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3220 states to 1227 states and 3183 transitions. [2018-11-23 07:11:27,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 3183 transitions. [2018-11-23 07:11:27,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 07:11:27,343 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:27,367 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 07:11:27,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:27,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3220 states to 1228 states and 3183 transitions. [2018-11-23 07:11:27,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 3183 transitions. [2018-11-23 07:11:27,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 07:11:27,394 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:27,414 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:11:28,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:28,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3238 states to 1237 states and 3199 transitions. [2018-11-23 07:11:28,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 3199 transitions. [2018-11-23 07:11:28,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 07:11:28,704 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:28,725 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:11:30,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:30,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3254 states to 1246 states and 3213 transitions. [2018-11-23 07:11:30,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 3213 transitions. [2018-11-23 07:11:30,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 07:11:30,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:30,265 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:11:31,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:31,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3269 states to 1255 states and 3226 transitions. [2018-11-23 07:11:31,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 3226 transitions. [2018-11-23 07:11:31,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 07:11:31,469 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:32,479 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:11:36,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:36,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3287 states to 1265 states and 3242 transitions. [2018-11-23 07:11:36,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 3242 transitions. [2018-11-23 07:11:36,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 07:11:36,573 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:36,603 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 07:11:38,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:38,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3300 states to 1271 states and 3255 transitions. [2018-11-23 07:11:38,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 3255 transitions. [2018-11-23 07:11:38,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 07:11:38,343 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:38,365 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 07:11:39,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:39,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3304 states to 1274 states and 3259 transitions. [2018-11-23 07:11:39,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 3259 transitions. [2018-11-23 07:11:39,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 07:11:39,206 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:39,231 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 07:11:39,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:39,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3308 states to 1277 states and 3263 transitions. [2018-11-23 07:11:39,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 3263 transitions. [2018-11-23 07:11:39,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 07:11:39,390 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:39,418 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 07:11:41,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:41,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3317 states to 1283 states and 3272 transitions. [2018-11-23 07:11:41,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 3272 transitions. [2018-11-23 07:11:41,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 07:11:41,207 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:41,229 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 07:11:41,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:41,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3322 states to 1285 states and 3277 transitions. [2018-11-23 07:11:41,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 3277 transitions. [2018-11-23 07:11:41,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 07:11:41,399 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:41,421 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 07:11:42,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:42,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3329 states to 1288 states and 3284 transitions. [2018-11-23 07:11:42,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 3284 transitions. [2018-11-23 07:11:42,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 07:11:42,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:42,303 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 07:11:43,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:43,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3331 states to 1289 states and 3286 transitions. [2018-11-23 07:11:43,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 3286 transitions. [2018-11-23 07:11:43,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 07:11:43,165 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:43,187 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 07:11:43,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:43,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3332 states to 1290 states and 3287 transitions. [2018-11-23 07:11:43,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 3287 transitions. [2018-11-23 07:11:43,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 07:11:43,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:43,226 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 07:11:43,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:43,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3332 states to 1291 states and 3287 transitions. [2018-11-23 07:11:43,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 3287 transitions. [2018-11-23 07:11:43,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 07:11:43,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:43,425 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 07:11:43,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:43,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3332 states to 1292 states and 3287 transitions. [2018-11-23 07:11:43,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 3287 transitions. [2018-11-23 07:11:43,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 07:11:43,447 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:43,470 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 07:11:44,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:44,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3335 states to 1295 states and 3290 transitions. [2018-11-23 07:11:44,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 3290 transitions. [2018-11-23 07:11:44,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 07:11:44,322 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:44,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:44,354 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 07:11:46,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:46,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3344 states to 1301 states and 3299 transitions. [2018-11-23 07:11:46,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 3299 transitions. [2018-11-23 07:11:46,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 07:11:46,056 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:46,083 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 07:11:47,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:47,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3353 states to 1307 states and 3308 transitions. [2018-11-23 07:11:47,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 3308 transitions. [2018-11-23 07:11:47,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 07:11:47,547 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:47,569 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 07:11:47,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:47,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3347 states to 1305 states and 3302 transitions. [2018-11-23 07:11:47,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 3302 transitions. [2018-11-23 07:11:47,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 07:11:47,730 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:47,752 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 07:11:47,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:47,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3345 states to 1305 states and 3300 transitions. [2018-11-23 07:11:47,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 3300 transitions. [2018-11-23 07:11:47,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 07:11:47,846 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:47,868 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 07:11:47,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:47,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3346 states to 1306 states and 3301 transitions. [2018-11-23 07:11:47,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1306 states and 3301 transitions. [2018-11-23 07:11:47,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 07:11:47,891 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:47,913 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 07:11:47,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:47,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3346 states to 1307 states and 3301 transitions. [2018-11-23 07:11:47,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 3301 transitions. [2018-11-23 07:11:47,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 07:11:47,935 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:49,184 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 31 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:11:54,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:54,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3364 states to 1317 states and 3317 transitions. [2018-11-23 07:11:54,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 3317 transitions. [2018-11-23 07:11:54,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 07:11:54,792 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:54,815 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 07:11:54,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:54,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3366 states to 1319 states and 3319 transitions. [2018-11-23 07:11:54,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 3319 transitions. [2018-11-23 07:11:54,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 07:11:54,842 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:54,865 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 07:11:54,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:54,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3368 states to 1321 states and 3321 transitions. [2018-11-23 07:11:54,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 3321 transitions. [2018-11-23 07:11:54,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 07:11:54,891 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:54,915 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 07:11:55,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:55,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3371 states to 1324 states and 3324 transitions. [2018-11-23 07:11:55,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 3324 transitions. [2018-11-23 07:11:55,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 07:11:55,947 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:55,970 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 07:11:55,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:55,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3374 states to 1327 states and 3327 transitions. [2018-11-23 07:11:55,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 3327 transitions. [2018-11-23 07:11:56,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 07:11:56,000 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:56,023 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 07:11:56,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:56,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3377 states to 1330 states and 3330 transitions. [2018-11-23 07:11:56,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 3330 transitions. [2018-11-23 07:11:56,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 07:11:56,054 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:56,081 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 07:11:57,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:57,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3385 states to 1335 states and 3338 transitions. [2018-11-23 07:11:57,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 3338 transitions. [2018-11-23 07:11:57,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 07:11:57,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:57,997 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 07:11:58,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:58,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 1337 states and 3341 transitions. [2018-11-23 07:11:58,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 3341 transitions. [2018-11-23 07:11:58,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 07:11:58,127 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:58,154 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 07:11:59,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:11:59,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3391 states to 1340 states and 3344 transitions. [2018-11-23 07:11:59,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 3344 transitions. [2018-11-23 07:11:59,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 07:11:59,181 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:11:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:11:59,203 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 07:12:00,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:12:00,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3399 states to 1345 states and 3352 transitions. [2018-11-23 07:12:00,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 3352 transitions. [2018-11-23 07:12:00,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 07:12:00,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:12:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:12:00,990 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 07:12:02,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:12:02,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3402 states to 1348 states and 3355 transitions. [2018-11-23 07:12:02,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 3355 transitions. [2018-11-23 07:12:02,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 07:12:02,063 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:12:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:12:04,112 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 50 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:12:09,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:12:09,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3428 states to 1355 states and 3381 transitions. [2018-11-23 07:12:09,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 3381 transitions. [2018-11-23 07:12:09,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 07:12:09,680 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:12:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:12:09,708 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 07:12:11,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:12:11,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3438 states to 1361 states and 3391 transitions. [2018-11-23 07:12:11,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 3391 transitions. [2018-11-23 07:12:11,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 07:12:11,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:12:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:12:12,344 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 50 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:12:13,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:12:13,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3439 states to 1362 states and 3392 transitions. [2018-11-23 07:12:13,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 3392 transitions. [2018-11-23 07:12:13,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 07:12:13,317 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:12:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:12:13,352 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 07:12:13,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:12:13,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3442 states to 1364 states and 3395 transitions. [2018-11-23 07:12:13,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 3395 transitions. [2018-11-23 07:12:13,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 07:12:13,377 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:12:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:12:13,406 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 07:12:15,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:12:15,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3451 states to 1370 states and 3404 transitions. [2018-11-23 07:12:15,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 3404 transitions. [2018-11-23 07:12:15,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 07:12:15,419 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:12:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:12:15,448 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 07:12:15,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:12:15,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3453 states to 1372 states and 3406 transitions. [2018-11-23 07:12:15,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 3406 transitions. [2018-11-23 07:12:15,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 07:12:15,581 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:12:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:12:15,609 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 07:12:17,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:12:17,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3462 states to 1378 states and 3415 transitions. [2018-11-23 07:12:17,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 3415 transitions. [2018-11-23 07:12:17,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 07:12:17,691 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:12:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:12:17,718 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 07:12:17,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:12:17,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3464 states to 1380 states and 3417 transitions. [2018-11-23 07:12:17,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 3417 transitions. [2018-11-23 07:12:17,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 07:12:17,749 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:12:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:12:17,775 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 07:12:19,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:12:19,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3482 states to 1389 states and 3433 transitions. [2018-11-23 07:12:19,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 3433 transitions. [2018-11-23 07:12:19,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 07:12:19,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:12:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:12:19,607 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 07:12:20,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:12:20,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3497 states to 1398 states and 3446 transitions. [2018-11-23 07:12:20,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 3446 transitions. [2018-11-23 07:12:20,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 07:12:20,578 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:12:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:12:20,602 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 07:12:22,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:12:22,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3512 states to 291 states and 515 transitions. [2018-11-23 07:12:22,250 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 515 transitions. [2018-11-23 07:12:22,250 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 07:12:22,250 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 520 iterations. [2018-11-23 07:12:22,259 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 07:12:22,473 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 36 [2018-11-23 07:12:22,827 WARN L180 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2018-11-23 07:12:23,138 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 24 [2018-11-23 07:12:23,507 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 28 [2018-11-23 07:12:23,787 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 30 [2018-11-23 07:12:24,002 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 24 [2018-11-23 07:12:24,139 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 24 [2018-11-23 07:12:24,253 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:12:24,256 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:12:24,257 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:12:24,257 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:12:24,257 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:12:24,257 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:12:24,257 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:12:24,257 INFO L579 CodeCheckObserver]: Invariant with dag size 24 [2018-11-23 07:12:24,262 INFO L579 CodeCheckObserver]: Invariant with dag size 24 [2018-11-23 07:12:24,263 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:12:24,263 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:12:24,264 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:12:24,264 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:12:24,264 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:12:24,264 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:12:24,264 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:12:24,265 INFO L579 CodeCheckObserver]: Invariant with dag size 39 [2018-11-23 07:12:24,267 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:12:24,267 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:12:24,267 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:12:24,267 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:12:24,267 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:12:24,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 07:12:24 ImpRootNode [2018-11-23 07:12:24,268 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 07:12:24,268 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:12:24,268 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:12:24,268 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:12:24,269 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:08:19" (3/4) ... [2018-11-23 07:12:24,273 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 07:12:24,278 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_mtx_of_isl_pmic [2018-11-23 07:12:24,279 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2018-11-23 07:12:24,279 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2018-11-23 07:12:24,279 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure regulator_unregister [2018-11-23 07:12:24,279 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2018-11-23 07:12:24,279 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure external_alloc [2018-11-23 07:12:24,279 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_mtx_of_isl_pmic [2018-11-23 07:12:24,279 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rdev_get_drvdata [2018-11-23 07:12:24,279 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure regulator_list_voltage_linear [2018-11-23 07:12:24,290 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 94 nodes and edges [2018-11-23 07:12:24,291 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2018-11-23 07:12:24,292 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 07:12:24,293 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:12:24,294 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:12:24,392 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ee986ffe-7ff3-429d-a469-232fd811c7ff/bin-2019/ukojak/witness.graphml [2018-11-23 07:12:24,392 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:12:24,393 INFO L168 Benchmark]: Toolchain (without parser) took 247111.42 ms. Allocated memory was 1.0 GB in the beginning and 4.2 GB in the end (delta: 3.2 GB). Free memory was 956.5 MB in the beginning and 1.6 GB in the end (delta: -646.2 MB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. [2018-11-23 07:12:24,394 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:12:24,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -133.2 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:12:24,394 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:12:24,394 INFO L168 Benchmark]: Boogie Preprocessor took 47.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:12:24,395 INFO L168 Benchmark]: RCFGBuilder took 1522.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.9 MB in the end (delta: 187.1 MB). Peak memory consumption was 187.1 MB. Max. memory is 11.5 GB. [2018-11-23 07:12:24,395 INFO L168 Benchmark]: CodeCheck took 244654.20 ms. Allocated memory was 1.2 GB in the beginning and 4.2 GB in the end (delta: 3.1 GB). Free memory was 891.9 MB in the beginning and 1.6 GB in the end (delta: -710.9 MB). Peak memory consumption was 2.4 GB. Max. memory is 11.5 GB. [2018-11-23 07:12:24,395 INFO L168 Benchmark]: Witness Printer took 124.13 ms. Allocated memory is still 4.2 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 2.2 kB). Peak memory consumption was 2.2 kB. Max. memory is 11.5 GB. [2018-11-23 07:12:24,397 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 163 locations, 1 error locations. SAFE Result, 242.6s OverallTime, 520 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1584204940 SDtfs, 1028426122 SDslu, 1141626720 SDs, 0 SdLazy, -1975905554 SolverSat, -1545651284 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1637.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 314961 GetRequests, 311254 SyntacticMatches, 1745 SemanticMatches, 1962 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2439714 ImplicationChecksByTransitivity, 217.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.0s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 17.7s InterpolantComputationTime, 20106 NumberOfCodeBlocks, 20106 NumberOfCodeBlocksAsserted, 519 NumberOfCheckSat, 19587 ConstructedInterpolants, 0 QuantifiedInterpolants, 2014476 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 519 InterpolantComputations, 419 PerfectInterpolantSequences, 14870/15593 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: 2676]: 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: 3192]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2640]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2451]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2648]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2656]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2316]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2481]: Loop Invariant Derived loop invariant: (((((!(1 == ldv_mutex_cred_guard_mutex_of_signal_struct) || !(0 == ldv_state_variable_0)) || !(1 == ldv_mutex_mtx_of_isl_pmic)) || !(1 == ldv_state_variable_3)) || !(1 == ldv_mutex_mutex_of_device)) || !(1 == ldv_state_variable_2)) || !(1 == ldv_mutex_lock) - InvariantResult [Line: 2489]: Loop Invariant Derived loop invariant: (((((!(1 == ldv_mutex_lock) || !(1 == ldv_mutex_cred_guard_mutex_of_signal_struct)) || !(0 == ldv_state_variable_0)) || !(1 == ldv_state_variable_2)) || !(1 == ldv_state_variable_3)) || !(1 == ldv_mutex_mutex_of_device)) || !(1 == ldv_mutex_mtx_of_isl_pmic) - InvariantResult [Line: 3115]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2371]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2664]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2335]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2299]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2299]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2524]: Loop Invariant Derived loop invariant: ((((((((!(1 == ldv_mutex_cred_guard_mutex_of_signal_struct) || !(ldv_state_variable_0 == 3)) || !(1 == ldv_mutex_lock)) || !(1 == ldv_state_variable_2)) || !(1 == ldv_state_variable_1)) || !(1 == ldv_mutex_mutex_of_device)) || !(ref_cnt == 0)) || ((!(1 == tmp___2) || aux-switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { regulator_list_voltage_linear(isl_core_ops_group0, ldvarg4); ldv_state_variable_3 = 1; } else { } goto ldv_20065; case 1: ; if (ldv_state_variable_3 == 1) { regulator_map_voltage_linear(isl_core_ops_group0, ldvarg3, ldvarg2); ldv_state_variable_3 = 1; } else { } goto ldv_20065; case 2: ; if (ldv_state_variable_3 == 1) { isl6271a_set_voltage_sel(isl_core_ops_group0, ldvarg1); ldv_state_variable_3 = 1; } else { } goto ldv_20065; case 3: ; if (ldv_state_variable_3 == 1) { isl6271a_get_voltage_sel(isl_core_ops_group0); ldv_state_variable_3 = 1; } else { } goto ldv_20065; default: ; goto ldv_20065; }-aux) && !(0 == tmp___2))) || !(1 == ldv_mutex_mtx_of_isl_pmic)) || !(1 == ldv_state_variable_3) - InvariantResult [Line: 2288]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2436]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3151]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 698.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -133.2 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1522.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.9 MB in the end (delta: 187.1 MB). Peak memory consumption was 187.1 MB. Max. memory is 11.5 GB. * CodeCheck took 244654.20 ms. Allocated memory was 1.2 GB in the beginning and 4.2 GB in the end (delta: 3.1 GB). Free memory was 891.9 MB in the beginning and 1.6 GB in the end (delta: -710.9 MB). Peak memory consumption was 2.4 GB. Max. memory is 11.5 GB. * Witness Printer took 124.13 ms. Allocated memory is still 4.2 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 2.2 kB). Peak memory consumption was 2.2 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...