./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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1bf30619-fdc4-4e95-b276-9f3337e099f2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1bf30619-fdc4-4e95-b276-9f3337e099f2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1bf30619-fdc4-4e95-b276-9f3337e099f2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1bf30619-fdc4-4e95-b276-9f3337e099f2/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_1bf30619-fdc4-4e95-b276-9f3337e099f2/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1bf30619-fdc4-4e95-b276-9f3337e099f2/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 2842b72cf02dcb066239c52b322ba67e90da461c ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 11:17:33,837 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:17:33,838 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:17:33,844 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:17:33,844 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:17:33,845 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:17:33,845 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:17:33,846 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:17:33,847 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:17:33,848 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:17:33,848 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:17:33,848 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:17:33,849 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:17:33,849 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:17:33,850 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:17:33,850 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:17:33,851 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:17:33,851 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:17:33,852 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:17:33,853 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:17:33,854 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:17:33,854 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:17:33,855 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:17:33,855 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:17:33,856 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:17:33,856 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:17:33,856 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:17:33,857 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:17:33,857 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:17:33,858 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:17:33,858 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:17:33,858 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:17:33,858 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:17:33,858 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:17:33,859 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:17:33,859 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:17:33,859 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1bf30619-fdc4-4e95-b276-9f3337e099f2/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2018-12-09 11:17:33,866 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:17:33,867 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:17:33,867 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:17:33,867 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 11:17:33,867 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 11:17:33,868 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 11:17:33,868 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:17:33,868 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:17:33,868 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:17:33,868 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 11:17:33,868 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:17:33,868 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 11:17:33,868 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:17:33,868 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 11:17:33,868 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 11:17:33,868 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 11:17:33,869 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 11:17:33,869 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:17:33,869 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:17:33,869 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 11:17:33,869 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:17:33,869 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:17:33,869 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 11:17:33,869 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 11:17:33,869 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:17:33,869 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 11:17:33,869 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 11:17:33,869 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_1bf30619-fdc4-4e95-b276-9f3337e099f2/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 -> 2842b72cf02dcb066239c52b322ba67e90da461c [2018-12-09 11:17:33,887 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:17:33,897 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:17:33,899 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:17:33,900 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:17:33,900 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:17:33,900 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1bf30619-fdc4-4e95-b276-9f3337e099f2/bin-2019/ukojak/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_true-unreach-call_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2018-12-09 11:17:33,932 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1bf30619-fdc4-4e95-b276-9f3337e099f2/bin-2019/ukojak/data/9ac7d0489/2ef2b1d19ddb49fab334ba3db08dfde5/FLAG034102376 [2018-12-09 11:17:34,398 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:17:34,399 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1bf30619-fdc4-4e95-b276-9f3337e099f2/sv-benchmarks/c/ldv-consumption/32_7a_cilled_true-unreach-call_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2018-12-09 11:17:34,409 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1bf30619-fdc4-4e95-b276-9f3337e099f2/bin-2019/ukojak/data/9ac7d0489/2ef2b1d19ddb49fab334ba3db08dfde5/FLAG034102376 [2018-12-09 11:17:34,418 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1bf30619-fdc4-4e95-b276-9f3337e099f2/bin-2019/ukojak/data/9ac7d0489/2ef2b1d19ddb49fab334ba3db08dfde5 [2018-12-09 11:17:34,420 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:17:34,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:17:34,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:17:34,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:17:34,423 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:17:34,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:17:34" (1/1) ... [2018-12-09 11:17:34,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@661a1c75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:17:34, skipping insertion in model container [2018-12-09 11:17:34,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:17:34" (1/1) ... [2018-12-09 11:17:34,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:17:34,458 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:17:34,854 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:17:34,870 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:17:34,932 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:17:34,963 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:17:34,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:17:34 WrapperNode [2018-12-09 11:17:34,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:17:34,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:17:34,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:17:34,964 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:17:34,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:17:34" (1/1) ... [2018-12-09 11:17:34,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:17:34" (1/1) ... [2018-12-09 11:17:35,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:17:35,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:17:35,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:17:35,011 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:17:35,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:17:34" (1/1) ... [2018-12-09 11:17:35,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:17:34" (1/1) ... [2018-12-09 11:17:35,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:17:34" (1/1) ... [2018-12-09 11:17:35,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:17:34" (1/1) ... [2018-12-09 11:17:35,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:17:34" (1/1) ... [2018-12-09 11:17:35,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:17:34" (1/1) ... [2018-12-09 11:17:35,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:17:34" (1/1) ... [2018-12-09 11:17:35,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:17:35,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:17:35,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:17:35,045 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:17:35,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:17:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1bf30619-fdc4-4e95-b276-9f3337e099f2/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 11:17:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-09 11:17:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_list_voltage_linear [2018-12-09 11:17:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_list_voltage_linear [2018-12-09 11:17:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 11:17:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2018-12-09 11:17:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2018-12-09 11:17:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-09 11:17:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_get_drvdata [2018-12-09 11:17:35,080 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_get_drvdata [2018-12-09 11:17:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 11:17:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx_of_isl_pmic [2018-12-09 11:17:35,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx_of_isl_pmic [2018-12-09 11:17:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-09 11:17:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 11:17:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-12-09 11:17:35,080 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2018-12-09 11:17:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-12-09 11:17:35,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-12-09 11:17:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_unregister [2018-12-09 11:17:35,080 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_unregister [2018-12-09 11:17:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 11:17:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2018-12-09 11:17:35,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2018-12-09 11:17:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2018-12-09 11:17:35,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2018-12-09 11:17:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:17:35,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:17:36,070 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:17:36,071 INFO L280 CfgBuilder]: Removed 64 assue(true) statements. [2018-12-09 11:17:36,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:17:36 BoogieIcfgContainer [2018-12-09 11:17:36,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:17:36,072 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 11:17:36,072 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 11:17:36,081 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 11:17:36,081 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:17:36" (1/1) ... [2018-12-09 11:17:36,091 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:17:36,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:36,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 103 states and 155 transitions. [2018-12-09 11:17:36,127 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 155 transitions. [2018-12-09 11:17:36,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 11:17:36,132 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:36,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:17:36,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:36,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 108 states and 180 transitions. [2018-12-09 11:17:36,380 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 180 transitions. [2018-12-09 11:17:36,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 11:17:36,381 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:36,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:17:36,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:36,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 117 states and 221 transitions. [2018-12-09 11:17:36,543 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 221 transitions. [2018-12-09 11:17:36,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 11:17:36,545 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:36,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:17:36,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:36,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 127 states and 263 transitions. [2018-12-09 11:17:36,728 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 263 transitions. [2018-12-09 11:17:36,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 11:17:36,729 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:36,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:17:36,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:36,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 128 states and 264 transitions. [2018-12-09 11:17:36,770 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 264 transitions. [2018-12-09 11:17:36,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 11:17:36,772 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:36,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:17:37,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:37,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 139 states and 307 transitions. [2018-12-09 11:17:37,021 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 307 transitions. [2018-12-09 11:17:37,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 11:17:37,022 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:37,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:17:37,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:37,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 151 states and 351 transitions. [2018-12-09 11:17:37,335 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 351 transitions. [2018-12-09 11:17:37,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 11:17:37,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:37,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:17:37,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:37,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 153 states and 354 transitions. [2018-12-09 11:17:37,384 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 354 transitions. [2018-12-09 11:17:37,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 11:17:37,385 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:37,406 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:17:37,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:37,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 154 states and 355 transitions. [2018-12-09 11:17:37,422 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 355 transitions. [2018-12-09 11:17:37,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 11:17:37,423 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:37,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:17:37,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:37,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 157 states and 385 transitions. [2018-12-09 11:17:37,639 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 385 transitions. [2018-12-09 11:17:37,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 11:17:37,640 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:37,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:17:37,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:37,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 158 states and 385 transitions. [2018-12-09 11:17:37,751 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 385 transitions. [2018-12-09 11:17:37,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 11:17:37,752 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:37,771 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:17:37,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:37,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 159 states and 386 transitions. [2018-12-09 11:17:37,819 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 386 transitions. [2018-12-09 11:17:37,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 11:17:37,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:37,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:17:37,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:37,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 160 states and 387 transitions. [2018-12-09 11:17:37,857 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 387 transitions. [2018-12-09 11:17:37,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 11:17:37,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:37,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:17:37,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:37,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 161 states and 387 transitions. [2018-12-09 11:17:37,976 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 387 transitions. [2018-12-09 11:17:37,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 11:17:37,977 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:38,013 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:17:38,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:38,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 168 states and 420 transitions. [2018-12-09 11:17:38,310 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 420 transitions. [2018-12-09 11:17:38,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 11:17:38,311 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:38,335 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:17:38,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:38,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 170 states and 423 transitions. [2018-12-09 11:17:38,340 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 423 transitions. [2018-12-09 11:17:38,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 11:17:38,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:38,425 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:17:38,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:38,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 176 states and 462 transitions. [2018-12-09 11:17:38,791 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 462 transitions. [2018-12-09 11:17:38,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 11:17:38,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:38,827 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:17:39,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:39,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 181 states and 493 transitions. [2018-12-09 11:17:39,289 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 493 transitions. [2018-12-09 11:17:39,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 11:17:39,290 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:39,317 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:17:39,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:39,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 182 states and 493 transitions. [2018-12-09 11:17:39,420 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 493 transitions. [2018-12-09 11:17:39,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 11:17:39,421 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:39,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:17:39,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:39,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 183 states and 493 transitions. [2018-12-09 11:17:39,542 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 493 transitions. [2018-12-09 11:17:39,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 11:17:39,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:39,560 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:17:39,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:39,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 189 states and 521 transitions. [2018-12-09 11:17:39,658 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 521 transitions. [2018-12-09 11:17:39,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 11:17:39,658 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:39,673 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:17:39,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:39,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 190 states and 521 transitions. [2018-12-09 11:17:39,681 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 521 transitions. [2018-12-09 11:17:39,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 11:17:39,682 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:39,697 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:17:39,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:39,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 192 states and 525 transitions. [2018-12-09 11:17:39,896 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 525 transitions. [2018-12-09 11:17:39,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 11:17:39,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:39,920 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:17:39,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:39,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 193 states and 525 transitions. [2018-12-09 11:17:39,978 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 525 transitions. [2018-12-09 11:17:39,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 11:17:39,979 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:39,996 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:17:40,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:40,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 194 states and 526 transitions. [2018-12-09 11:17:40,117 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 526 transitions. [2018-12-09 11:17:40,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 11:17:40,118 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:40,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:17:40,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:40,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 195 states and 526 transitions. [2018-12-09 11:17:40,189 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 526 transitions. [2018-12-09 11:17:40,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 11:17:40,190 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:40,204 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:17:40,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:40,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 201 states and 554 transitions. [2018-12-09 11:17:40,294 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 554 transitions. [2018-12-09 11:17:40,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 11:17:40,294 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:40,308 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:17:40,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:40,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 202 states and 554 transitions. [2018-12-09 11:17:40,316 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 554 transitions. [2018-12-09 11:17:40,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 11:17:40,317 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:40,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:17:40,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:40,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 204 states and 558 transitions. [2018-12-09 11:17:40,545 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 558 transitions. [2018-12-09 11:17:40,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 11:17:40,546 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:40,559 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:17:40,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:40,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 205 states and 558 transitions. [2018-12-09 11:17:40,570 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 558 transitions. [2018-12-09 11:17:40,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 11:17:40,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:40,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:17:40,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:40,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 206 states and 559 transitions. [2018-12-09 11:17:40,687 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 559 transitions. [2018-12-09 11:17:40,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 11:17:40,687 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:40,700 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:17:40,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:40,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 212 states and 587 transitions. [2018-12-09 11:17:40,796 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 587 transitions. [2018-12-09 11:17:40,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 11:17:40,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:40,809 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:17:40,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:40,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 213 states and 587 transitions. [2018-12-09 11:17:40,818 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 587 transitions. [2018-12-09 11:17:40,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 11:17:40,819 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:40,832 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:17:41,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:41,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 215 states and 591 transitions. [2018-12-09 11:17:41,046 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 591 transitions. [2018-12-09 11:17:41,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 11:17:41,046 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:41,064 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:17:41,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:41,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 218 states and 598 transitions. [2018-12-09 11:17:41,362 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 598 transitions. [2018-12-09 11:17:41,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 11:17:41,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:41,379 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:17:41,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:41,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 219 states and 598 transitions. [2018-12-09 11:17:41,388 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 598 transitions. [2018-12-09 11:17:41,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 11:17:41,388 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:41,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:17:41,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:41,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 220 states and 599 transitions. [2018-12-09 11:17:41,553 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 599 transitions. [2018-12-09 11:17:41,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 11:17:41,554 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:41,565 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:17:41,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:41,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 221 states and 600 transitions. [2018-12-09 11:17:41,686 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 600 transitions. [2018-12-09 11:17:41,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 11:17:41,686 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:41,698 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:17:41,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:41,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 222 states and 602 transitions. [2018-12-09 11:17:41,769 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 602 transitions. [2018-12-09 11:17:41,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 11:17:41,770 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:41,781 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:17:42,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:42,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 225 states and 626 transitions. [2018-12-09 11:17:42,311 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 626 transitions. [2018-12-09 11:17:42,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 11:17:42,312 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:42,332 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:17:42,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:42,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 226 states and 628 transitions. [2018-12-09 11:17:42,418 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 628 transitions. [2018-12-09 11:17:42,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 11:17:42,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:42,439 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:17:42,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:42,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 229 states and 650 transitions. [2018-12-09 11:17:42,724 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 650 transitions. [2018-12-09 11:17:42,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 11:17:42,724 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:42,738 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:17:42,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:42,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 235 states and 678 transitions. [2018-12-09 11:17:42,810 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 678 transitions. [2018-12-09 11:17:42,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 11:17:42,811 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:42,902 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:17:43,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:43,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 238 states and 700 transitions. [2018-12-09 11:17:43,461 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 700 transitions. [2018-12-09 11:17:43,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 11:17:43,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:43,475 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:17:43,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:43,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 241 states and 706 transitions. [2018-12-09 11:17:43,558 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 706 transitions. [2018-12-09 11:17:43,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 11:17:43,558 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:43,574 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:17:43,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:43,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 242 states and 709 transitions. [2018-12-09 11:17:43,648 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 709 transitions. [2018-12-09 11:17:43,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 11:17:43,649 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:43,661 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:17:43,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:43,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 243 states and 709 transitions. [2018-12-09 11:17:43,671 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 709 transitions. [2018-12-09 11:17:43,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 11:17:43,671 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:43,688 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:17:43,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:43,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 244 states and 709 transitions. [2018-12-09 11:17:43,699 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 709 transitions. [2018-12-09 11:17:43,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 11:17:43,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:43,710 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:17:43,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:43,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 245 states and 709 transitions. [2018-12-09 11:17:43,719 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 709 transitions. [2018-12-09 11:17:43,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:17:43,720 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:43,734 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:17:43,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:43,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 246 states and 710 transitions. [2018-12-09 11:17:43,740 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 710 transitions. [2018-12-09 11:17:43,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:17:43,741 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:43,759 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:17:43,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:43,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 247 states and 710 transitions. [2018-12-09 11:17:43,849 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 710 transitions. [2018-12-09 11:17:43,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:17:43,849 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:43,915 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:17:43,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:43,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 248 states and 710 transitions. [2018-12-09 11:17:43,986 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 710 transitions. [2018-12-09 11:17:43,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 11:17:43,987 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:44,002 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:17:44,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:44,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 250 states and 713 transitions. [2018-12-09 11:17:44,006 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 713 transitions. [2018-12-09 11:17:44,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 11:17:44,006 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:44,021 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:17:44,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:44,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 253 states and 718 transitions. [2018-12-09 11:17:44,148 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 718 transitions. [2018-12-09 11:17:44,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 11:17:44,148 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:44,218 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:17:44,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:44,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 258 states and 748 transitions. [2018-12-09 11:17:44,908 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 748 transitions. [2018-12-09 11:17:44,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 11:17:44,909 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:44,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:45,015 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:17:46,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:46,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 263 states and 787 transitions. [2018-12-09 11:17:46,255 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 787 transitions. [2018-12-09 11:17:46,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 11:17:46,255 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:46,273 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:17:46,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:46,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 264 states and 787 transitions. [2018-12-09 11:17:46,422 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 787 transitions. [2018-12-09 11:17:46,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 11:17:46,422 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:46,441 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:17:46,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:46,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 267 states and 813 transitions. [2018-12-09 11:17:46,754 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 813 transitions. [2018-12-09 11:17:46,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 11:17:46,755 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:46,766 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:17:46,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:46,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 270 states and 817 transitions. [2018-12-09 11:17:46,781 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 817 transitions. [2018-12-09 11:17:46,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 11:17:46,782 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:46,799 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:17:46,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:46,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 273 states and 821 transitions. [2018-12-09 11:17:46,809 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 821 transitions. [2018-12-09 11:17:46,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 11:17:46,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:46,821 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:17:46,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:46,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 274 states and 822 transitions. [2018-12-09 11:17:46,830 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 822 transitions. [2018-12-09 11:17:46,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 11:17:46,830 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:46,841 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:17:46,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:46,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 275 states and 823 transitions. [2018-12-09 11:17:46,849 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 823 transitions. [2018-12-09 11:17:46,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 11:17:46,850 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:46,861 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:17:46,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:46,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 276 states and 823 transitions. [2018-12-09 11:17:46,868 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 823 transitions. [2018-12-09 11:17:46,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 11:17:46,868 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:46,881 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:17:47,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:47,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 279 states and 829 transitions. [2018-12-09 11:17:47,166 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 829 transitions. [2018-12-09 11:17:47,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 11:17:47,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:47,244 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:17:48,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:48,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 285 states and 868 transitions. [2018-12-09 11:17:48,378 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 868 transitions. [2018-12-09 11:17:48,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 11:17:48,378 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:48,398 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:17:48,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:48,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 286 states and 869 transitions. [2018-12-09 11:17:48,414 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 869 transitions. [2018-12-09 11:17:48,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 11:17:48,415 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:48,431 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:17:48,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:48,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 288 states and 873 transitions. [2018-12-09 11:17:48,729 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 873 transitions. [2018-12-09 11:17:48,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 11:17:48,730 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:48,743 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:17:48,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:48,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 289 states and 873 transitions. [2018-12-09 11:17:48,882 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 873 transitions. [2018-12-09 11:17:48,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 11:17:48,882 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:48,893 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:17:48,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:48,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 291 states and 876 transitions. [2018-12-09 11:17:48,943 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 876 transitions. [2018-12-09 11:17:48,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 11:17:48,943 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:48,954 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:17:48,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:48,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 292 states and 876 transitions. [2018-12-09 11:17:48,994 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 876 transitions. [2018-12-09 11:17:48,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 11:17:48,995 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:49,008 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:17:49,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:49,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 294 states and 879 transitions. [2018-12-09 11:17:49,095 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 879 transitions. [2018-12-09 11:17:49,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 11:17:49,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:49,110 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:17:49,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:49,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 296 states and 883 transitions. [2018-12-09 11:17:49,414 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 883 transitions. [2018-12-09 11:17:49,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 11:17:49,414 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:49,543 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:17:50,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:50,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 303 states and 922 transitions. [2018-12-09 11:17:50,632 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 922 transitions. [2018-12-09 11:17:50,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 11:17:50,633 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:50,646 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:17:50,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:50,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 304 states and 922 transitions. [2018-12-09 11:17:50,714 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 922 transitions. [2018-12-09 11:17:50,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 11:17:50,714 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:50,728 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:17:51,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:51,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 307 states and 928 transitions. [2018-12-09 11:17:51,060 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 928 transitions. [2018-12-09 11:17:51,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 11:17:51,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:51,073 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:17:51,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:51,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 312 states and 955 transitions. [2018-12-09 11:17:51,794 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 955 transitions. [2018-12-09 11:17:51,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 11:17:51,794 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:51,806 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:17:52,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:52,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 314 states and 968 transitions. [2018-12-09 11:17:52,605 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 968 transitions. [2018-12-09 11:17:52,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 11:17:52,628 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:52,643 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:17:52,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:52,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 315 states and 968 transitions. [2018-12-09 11:17:52,806 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 968 transitions. [2018-12-09 11:17:52,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 11:17:52,807 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:52,819 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:17:53,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:53,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 316 states and 972 transitions. [2018-12-09 11:17:53,013 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 972 transitions. [2018-12-09 11:17:53,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 11:17:53,013 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:53,026 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:17:53,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:53,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 319 states and 978 transitions. [2018-12-09 11:17:53,379 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 978 transitions. [2018-12-09 11:17:53,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 11:17:53,379 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:53,391 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:17:53,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:53,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 320 states and 982 transitions. [2018-12-09 11:17:53,585 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 982 transitions. [2018-12-09 11:17:53,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 11:17:53,586 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:53,598 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:17:53,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:53,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 321 states and 983 transitions. [2018-12-09 11:17:53,610 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 983 transitions. [2018-12-09 11:17:53,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 11:17:53,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:53,623 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:17:53,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:53,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 322 states and 983 transitions. [2018-12-09 11:17:53,812 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 983 transitions. [2018-12-09 11:17:53,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 11:17:53,813 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:53,859 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:17:54,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:54,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 325 states and 989 transitions. [2018-12-09 11:17:54,093 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 989 transitions. [2018-12-09 11:17:54,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 11:17:54,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:54,196 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:17:55,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:55,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 330 states and 1020 transitions. [2018-12-09 11:17:55,101 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 1020 transitions. [2018-12-09 11:17:55,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 11:17:55,101 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:55,114 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:17:55,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:55,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 331 states and 1020 transitions. [2018-12-09 11:17:55,146 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 1020 transitions. [2018-12-09 11:17:55,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:17:55,146 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:55,350 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:17:55,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:55,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 333 states and 1023 transitions. [2018-12-09 11:17:55,975 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 1023 transitions. [2018-12-09 11:17:55,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:17:55,975 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:55,992 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:17:56,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:56,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 336 states and 1032 transitions. [2018-12-09 11:17:56,584 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 1032 transitions. [2018-12-09 11:17:56,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:17:56,584 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:56,599 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:17:56,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:56,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 338 states and 1037 transitions. [2018-12-09 11:17:56,909 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 1037 transitions. [2018-12-09 11:17:56,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:17:56,909 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:57,092 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:17:58,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:58,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 346 states and 1088 transitions. [2018-12-09 11:17:58,775 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 1088 transitions. [2018-12-09 11:17:58,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:17:58,775 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:58,792 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:17:59,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:59,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 348 states and 1091 transitions. [2018-12-09 11:17:59,211 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 1091 transitions. [2018-12-09 11:17:59,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:17:59,211 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:59,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:59,226 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:17:59,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:17:59,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 351 states and 1098 transitions. [2018-12-09 11:17:59,657 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 1098 transitions. [2018-12-09 11:17:59,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:17:59,658 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:17:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:17:59,673 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:18:00,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:00,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 354 states and 1104 transitions. [2018-12-09 11:18:00,140 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 1104 transitions. [2018-12-09 11:18:00,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:18:00,141 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:00,153 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:00,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:00,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 355 states and 1106 transitions. [2018-12-09 11:18:00,397 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 1106 transitions. [2018-12-09 11:18:00,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:18:00,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:00,409 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:18:00,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:00,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 356 states and 1107 transitions. [2018-12-09 11:18:00,423 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 1107 transitions. [2018-12-09 11:18:00,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:18:00,424 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:00,440 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:18:00,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:00,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 359 states and 1113 transitions. [2018-12-09 11:18:00,565 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 1113 transitions. [2018-12-09 11:18:00,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 11:18:00,566 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:00,578 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 11:18:00,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:00,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 360 states and 1113 transitions. [2018-12-09 11:18:00,597 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 1113 transitions. [2018-12-09 11:18:00,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 11:18:00,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:00,612 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:00,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:00,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 363 states and 1120 transitions. [2018-12-09 11:18:00,621 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 1120 transitions. [2018-12-09 11:18:00,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 11:18:00,621 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:00,636 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:00,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:00,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 364 states and 1121 transitions. [2018-12-09 11:18:00,651 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 1121 transitions. [2018-12-09 11:18:00,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 11:18:00,652 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:00,667 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:18:01,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:01,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 366 states and 1124 transitions. [2018-12-09 11:18:01,110 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 1124 transitions. [2018-12-09 11:18:01,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 11:18:01,110 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:01,123 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:18:01,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:01,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 369 states and 1131 transitions. [2018-12-09 11:18:01,606 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 1131 transitions. [2018-12-09 11:18:01,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 11:18:01,607 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:01,621 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:18:01,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:01,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 371 states and 1134 transitions. [2018-12-09 11:18:01,627 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 1134 transitions. [2018-12-09 11:18:01,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 11:18:01,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:01,640 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:18:01,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:01,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 374 states and 1150 transitions. [2018-12-09 11:18:01,960 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 1150 transitions. [2018-12-09 11:18:01,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 11:18:01,961 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:01,973 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:18:01,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:01,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 375 states and 1151 transitions. [2018-12-09 11:18:01,991 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 1151 transitions. [2018-12-09 11:18:01,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 11:18:01,991 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:02,004 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:02,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:02,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 376 states and 1151 transitions. [2018-12-09 11:18:02,018 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 1151 transitions. [2018-12-09 11:18:02,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 11:18:02,019 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:02,040 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:18:02,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:02,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 379 states and 1157 transitions. [2018-12-09 11:18:02,187 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 1157 transitions. [2018-12-09 11:18:02,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 11:18:02,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:02,201 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:02,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:02,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 380 states and 1158 transitions. [2018-12-09 11:18:02,474 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 1158 transitions. [2018-12-09 11:18:02,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 11:18:02,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:02,486 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:02,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:02,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 383 states and 1166 transitions. [2018-12-09 11:18:02,928 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 1166 transitions. [2018-12-09 11:18:02,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 11:18:02,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:02,942 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:18:03,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:03,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 384 states and 1167 transitions. [2018-12-09 11:18:03,171 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 1167 transitions. [2018-12-09 11:18:03,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 11:18:03,171 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:03,184 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:18:03,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:03,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 386 states and 1171 transitions. [2018-12-09 11:18:03,690 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 1171 transitions. [2018-12-09 11:18:03,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 11:18:03,691 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:03,708 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:04,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:04,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 388 states and 1174 transitions. [2018-12-09 11:18:04,460 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 1174 transitions. [2018-12-09 11:18:04,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 11:18:04,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:04,487 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:18:04,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:04,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 391 states and 1177 transitions. [2018-12-09 11:18:04,503 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 1177 transitions. [2018-12-09 11:18:04,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 11:18:04,503 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:04,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:04,526 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:18:05,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:05,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 394 states and 1184 transitions. [2018-12-09 11:18:05,103 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 1184 transitions. [2018-12-09 11:18:05,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 11:18:05,104 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:05,124 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:06,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:06,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 397 states and 1190 transitions. [2018-12-09 11:18:06,436 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 1190 transitions. [2018-12-09 11:18:06,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 11:18:06,436 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:06,461 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:18:06,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:06,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 399 states and 1194 transitions. [2018-12-09 11:18:06,468 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 1194 transitions. [2018-12-09 11:18:06,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 11:18:06,469 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:06,481 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:18:06,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:06,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 401 states and 1209 transitions. [2018-12-09 11:18:06,666 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 1209 transitions. [2018-12-09 11:18:06,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 11:18:06,667 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:06,689 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:18:06,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:06,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 408 states and 1220 transitions. [2018-12-09 11:18:06,983 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 1220 transitions. [2018-12-09 11:18:06,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 11:18:06,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:07,012 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:18:07,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:07,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 413 states and 1227 transitions. [2018-12-09 11:18:07,023 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 1227 transitions. [2018-12-09 11:18:07,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 11:18:07,024 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:07,038 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:18:07,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:07,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 414 states and 1229 transitions. [2018-12-09 11:18:07,211 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 1229 transitions. [2018-12-09 11:18:07,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 11:18:07,211 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:07,233 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:07,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:07,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 417 states and 1235 transitions. [2018-12-09 11:18:07,599 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 1235 transitions. [2018-12-09 11:18:07,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 11:18:07,600 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:07,613 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:18:07,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:07,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 418 states and 1236 transitions. [2018-12-09 11:18:07,659 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 1236 transitions. [2018-12-09 11:18:07,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 11:18:07,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:07,675 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:18:07,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:07,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 421 states and 1242 transitions. [2018-12-09 11:18:07,784 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 1242 transitions. [2018-12-09 11:18:07,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 11:18:07,784 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:07,800 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 11:18:08,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:08,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 422 states and 1242 transitions. [2018-12-09 11:18:08,016 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 1242 transitions. [2018-12-09 11:18:08,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 11:18:08,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:08,029 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:08,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:08,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 425 states and 1251 transitions. [2018-12-09 11:18:08,213 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 1251 transitions. [2018-12-09 11:18:08,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 11:18:08,213 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:08,227 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:18:08,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:08,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 428 states and 1255 transitions. [2018-12-09 11:18:08,239 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 1255 transitions. [2018-12-09 11:18:08,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 11:18:08,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:08,253 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:18:08,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:08,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 429 states and 1257 transitions. [2018-12-09 11:18:08,269 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 1257 transitions. [2018-12-09 11:18:08,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 11:18:08,270 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:08,282 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:08,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:08,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 430 states and 1258 transitions. [2018-12-09 11:18:08,293 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 1258 transitions. [2018-12-09 11:18:08,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 11:18:08,293 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:08,307 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:18:08,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:08,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 433 states and 1261 transitions. [2018-12-09 11:18:08,422 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 1261 transitions. [2018-12-09 11:18:08,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 11:18:08,422 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:08,437 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:18:08,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:08,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 436 states and 1264 transitions. [2018-12-09 11:18:08,456 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 1264 transitions. [2018-12-09 11:18:08,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 11:18:08,456 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:08,471 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 11:18:08,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:08,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 438 states and 1268 transitions. [2018-12-09 11:18:08,937 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 1268 transitions. [2018-12-09 11:18:08,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 11:18:08,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:08,951 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:09,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:09,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 441 states and 1275 transitions. [2018-12-09 11:18:09,205 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 1275 transitions. [2018-12-09 11:18:09,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 11:18:09,206 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:09,218 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:09,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:09,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 442 states and 1276 transitions. [2018-12-09 11:18:09,232 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 1276 transitions. [2018-12-09 11:18:09,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 11:18:09,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:09,249 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 11:18:09,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:09,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 443 states and 1276 transitions. [2018-12-09 11:18:09,490 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 1276 transitions. [2018-12-09 11:18:09,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 11:18:09,490 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:09,508 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:18:09,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:09,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 446 states and 1280 transitions. [2018-12-09 11:18:09,515 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 1280 transitions. [2018-12-09 11:18:09,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 11:18:09,515 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:09,528 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:18:09,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:09,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 447 states and 1284 transitions. [2018-12-09 11:18:09,820 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 1284 transitions. [2018-12-09 11:18:09,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 11:18:09,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:09,833 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:10,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:10,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 448 states and 1285 transitions. [2018-12-09 11:18:10,112 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 1285 transitions. [2018-12-09 11:18:10,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 11:18:10,112 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:10,126 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:18:10,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:10,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 451 states and 1289 transitions. [2018-12-09 11:18:10,140 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 1289 transitions. [2018-12-09 11:18:10,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 11:18:10,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:10,161 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:18:10,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:10,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 452 states and 1290 transitions. [2018-12-09 11:18:10,174 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 1290 transitions. [2018-12-09 11:18:10,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 11:18:10,174 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:10,187 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:18:10,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:10,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 453 states and 1291 transitions. [2018-12-09 11:18:10,332 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 1291 transitions. [2018-12-09 11:18:10,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 11:18:10,333 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:10,346 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:18:10,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:10,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 456 states and 1294 transitions. [2018-12-09 11:18:10,372 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 1294 transitions. [2018-12-09 11:18:10,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 11:18:10,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:10,386 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:18:10,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:10,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 458 states and 1300 transitions. [2018-12-09 11:18:10,899 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 1300 transitions. [2018-12-09 11:18:10,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 11:18:10,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:10,912 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:11,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:11,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 460 states and 1303 transitions. [2018-12-09 11:18:11,319 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 1303 transitions. [2018-12-09 11:18:11,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 11:18:11,319 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:11,332 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:18:11,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:11,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 463 states and 1306 transitions. [2018-12-09 11:18:11,348 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 1306 transitions. [2018-12-09 11:18:11,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 11:18:11,348 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:11,362 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:11,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:11,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 466 states and 1313 transitions. [2018-12-09 11:18:11,875 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 1313 transitions. [2018-12-09 11:18:11,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 11:18:11,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:11,889 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:18:11,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:11,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 468 states and 1316 transitions. [2018-12-09 11:18:11,895 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 1316 transitions. [2018-12-09 11:18:11,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 11:18:11,895 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:11,928 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:12,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:12,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 471 states and 1321 transitions. [2018-12-09 11:18:12,207 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 1321 transitions. [2018-12-09 11:18:12,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 11:18:12,207 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:12,221 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:12,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:12,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 472 states and 1323 transitions. [2018-12-09 11:18:12,237 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 1323 transitions. [2018-12-09 11:18:12,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 11:18:12,238 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:12,254 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:12,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:12,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 477 states and 1355 transitions. [2018-12-09 11:18:12,886 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 1355 transitions. [2018-12-09 11:18:12,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 11:18:12,886 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:12,902 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:18:13,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:13,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 478 states and 1355 transitions. [2018-12-09 11:18:13,015 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 1355 transitions. [2018-12-09 11:18:13,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 11:18:13,015 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:13,030 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 11:18:13,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:13,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 479 states and 1355 transitions. [2018-12-09 11:18:13,263 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 1355 transitions. [2018-12-09 11:18:13,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 11:18:13,263 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:13,279 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:18:13,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:13,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 482 states and 1359 transitions. [2018-12-09 11:18:13,289 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 1359 transitions. [2018-12-09 11:18:13,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 11:18:13,290 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:13,419 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:13,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:13,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 483 states and 1361 transitions. [2018-12-09 11:18:13,546 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 1361 transitions. [2018-12-09 11:18:13,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 11:18:13,546 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:13,561 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:18:13,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:13,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 484 states and 1364 transitions. [2018-12-09 11:18:13,938 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 1364 transitions. [2018-12-09 11:18:13,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 11:18:13,939 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:13,963 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:18:13,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:13,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 487 states and 1368 transitions. [2018-12-09 11:18:13,977 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 1368 transitions. [2018-12-09 11:18:13,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 11:18:13,978 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:13,993 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:18:14,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:14,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 488 states and 1369 transitions. [2018-12-09 11:18:14,004 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 1369 transitions. [2018-12-09 11:18:14,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 11:18:14,005 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:14,020 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:18:14,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:14,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 491 states and 1372 transitions. [2018-12-09 11:18:14,039 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 1372 transitions. [2018-12-09 11:18:14,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 11:18:14,039 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:14,052 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:18:14,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:14,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 494 states and 1375 transitions. [2018-12-09 11:18:14,078 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 1375 transitions. [2018-12-09 11:18:14,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 11:18:14,078 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:14,092 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:18:14,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:14,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 497 states and 1381 transitions. [2018-12-09 11:18:14,389 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 1381 transitions. [2018-12-09 11:18:14,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 11:18:14,389 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:14,405 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:14,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:14,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 500 states and 1387 transitions. [2018-12-09 11:18:14,680 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 1387 transitions. [2018-12-09 11:18:14,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 11:18:14,680 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:14,694 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 11:18:15,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:15,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 505 states and 1409 transitions. [2018-12-09 11:18:15,376 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 1409 transitions. [2018-12-09 11:18:15,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 11:18:15,376 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:15,398 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:15,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:15,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 506 states and 1409 transitions. [2018-12-09 11:18:15,410 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 1409 transitions. [2018-12-09 11:18:15,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 11:18:15,410 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:15,426 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:16,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:16,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 511 states and 1440 transitions. [2018-12-09 11:18:16,159 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 1440 transitions. [2018-12-09 11:18:16,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 11:18:16,160 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:16,188 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:16,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:16,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 513 states and 1461 transitions. [2018-12-09 11:18:16,507 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 1461 transitions. [2018-12-09 11:18:16,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 11:18:16,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:16,535 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 11:18:16,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:16,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 514 states and 1461 transitions. [2018-12-09 11:18:16,665 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 1461 transitions. [2018-12-09 11:18:16,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 11:18:16,666 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:16,682 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 11:18:17,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:17,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 516 states and 1464 transitions. [2018-12-09 11:18:17,218 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 1464 transitions. [2018-12-09 11:18:17,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 11:18:17,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:17,234 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:18:17,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:17,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 517 states and 1464 transitions. [2018-12-09 11:18:17,253 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 1464 transitions. [2018-12-09 11:18:17,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 11:18:17,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:17,269 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 11:18:17,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:17,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 518 states and 1464 transitions. [2018-12-09 11:18:17,555 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 1464 transitions. [2018-12-09 11:18:17,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 11:18:17,555 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:17,572 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:18:17,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:17,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 521 states and 1468 transitions. [2018-12-09 11:18:17,586 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 1468 transitions. [2018-12-09 11:18:17,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 11:18:17,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:17,599 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:18:17,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:17,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 522 states and 1469 transitions. [2018-12-09 11:18:17,900 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 1469 transitions. [2018-12-09 11:18:17,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 11:18:17,901 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:17,913 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:18:17,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:17,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 525 states and 1473 transitions. [2018-12-09 11:18:17,924 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 1473 transitions. [2018-12-09 11:18:17,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 11:18:17,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:17,937 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:18:17,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:17,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 526 states and 1474 transitions. [2018-12-09 11:18:17,948 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1474 transitions. [2018-12-09 11:18:17,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 11:18:17,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:17,961 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:18:17,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:17,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 529 states and 1477 transitions. [2018-12-09 11:18:17,978 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 1477 transitions. [2018-12-09 11:18:17,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 11:18:17,978 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:17,991 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:18:18,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:18,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 531 states and 1480 transitions. [2018-12-09 11:18:18,204 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 1480 transitions. [2018-12-09 11:18:18,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 11:18:18,204 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:18,218 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 11:18:18,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:18,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 532 states and 1482 transitions. [2018-12-09 11:18:18,556 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 1482 transitions. [2018-12-09 11:18:18,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 11:18:18,557 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:18,570 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:18,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:18,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 533 states and 1482 transitions. [2018-12-09 11:18:18,855 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 1482 transitions. [2018-12-09 11:18:18,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 11:18:18,856 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:18,872 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:19,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:19,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 538 states and 1506 transitions. [2018-12-09 11:18:19,524 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1506 transitions. [2018-12-09 11:18:19,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 11:18:19,524 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:19,539 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:19,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:19,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 540 states and 1520 transitions. [2018-12-09 11:18:19,729 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 1520 transitions. [2018-12-09 11:18:19,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 11:18:19,730 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:19,745 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:20,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:20,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 542 states and 1534 transitions. [2018-12-09 11:18:20,079 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 1534 transitions. [2018-12-09 11:18:20,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 11:18:20,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:20,095 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 11:18:20,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:20,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 544 states and 1537 transitions. [2018-12-09 11:18:20,698 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 1537 transitions. [2018-12-09 11:18:20,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 11:18:20,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:20,720 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:18:20,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:20,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 545 states and 1537 transitions. [2018-12-09 11:18:20,739 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 1537 transitions. [2018-12-09 11:18:20,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 11:18:20,739 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:20,756 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:21,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:21,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 547 states and 1555 transitions. [2018-12-09 11:18:21,113 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 1555 transitions. [2018-12-09 11:18:21,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 11:18:21,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:21,132 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 11:18:21,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:21,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 548 states and 1555 transitions. [2018-12-09 11:18:21,405 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 1555 transitions. [2018-12-09 11:18:21,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 11:18:21,406 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:21,420 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:21,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:21,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 550 states and 1570 transitions. [2018-12-09 11:18:21,753 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 1570 transitions. [2018-12-09 11:18:21,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 11:18:21,754 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:21,770 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:18:21,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:21,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 553 states and 1574 transitions. [2018-12-09 11:18:21,783 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 1574 transitions. [2018-12-09 11:18:21,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 11:18:21,784 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:21,816 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:18:23,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:23,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 564 states and 1649 transitions. [2018-12-09 11:18:23,066 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 1649 transitions. [2018-12-09 11:18:23,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 11:18:23,066 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:23,078 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:18:23,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:23,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 565 states and 1651 transitions. [2018-12-09 11:18:23,388 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 1651 transitions. [2018-12-09 11:18:23,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 11:18:23,389 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:23,420 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:18:24,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:24,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 567 states and 1662 transitions. [2018-12-09 11:18:24,178 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 1662 transitions. [2018-12-09 11:18:24,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 11:18:24,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:24,195 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 11:18:24,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:24,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 569 states and 1666 transitions. [2018-12-09 11:18:24,795 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 1666 transitions. [2018-12-09 11:18:24,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 11:18:24,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:24,808 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:18:29,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:29,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 575 states and 1703 transitions. [2018-12-09 11:18:29,104 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1703 transitions. [2018-12-09 11:18:29,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 11:18:29,104 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:29,117 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 11:18:29,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:29,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 578 states and 1707 transitions. [2018-12-09 11:18:29,980 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 1707 transitions. [2018-12-09 11:18:29,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 11:18:29,980 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:29,993 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 11:18:30,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:30,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 579 states and 1707 transitions. [2018-12-09 11:18:30,149 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 1707 transitions. [2018-12-09 11:18:30,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 11:18:30,149 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:30,670 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:18:32,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:32,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 582 states and 1713 transitions. [2018-12-09 11:18:32,084 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 1713 transitions. [2018-12-09 11:18:32,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 11:18:32,085 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:32,101 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:18:32,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:32,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 585 states and 1719 transitions. [2018-12-09 11:18:32,133 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 1719 transitions. [2018-12-09 11:18:32,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 11:18:32,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:32,151 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:18:32,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:32,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 589 states and 1725 transitions. [2018-12-09 11:18:32,516 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 1725 transitions. [2018-12-09 11:18:32,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 11:18:32,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:32,531 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:18:32,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:32,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 591 states and 1733 transitions. [2018-12-09 11:18:32,765 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1733 transitions. [2018-12-09 11:18:32,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 11:18:32,765 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:32,790 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 11:18:33,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:33,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 594 states and 1743 transitions. [2018-12-09 11:18:33,209 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 1743 transitions. [2018-12-09 11:18:33,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 11:18:33,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:33,225 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:33,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:33,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 599 states and 1765 transitions. [2018-12-09 11:18:33,990 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1765 transitions. [2018-12-09 11:18:33,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 11:18:33,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:34,005 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:34,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:34,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 604 states and 1793 transitions. [2018-12-09 11:18:34,919 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1793 transitions. [2018-12-09 11:18:34,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 11:18:34,920 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:34,935 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 11:18:35,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:35,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 606 states and 1796 transitions. [2018-12-09 11:18:35,396 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 1796 transitions. [2018-12-09 11:18:35,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 11:18:35,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:35,412 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 11:18:35,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:35,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1801 states to 608 states and 1799 transitions. [2018-12-09 11:18:35,691 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 1799 transitions. [2018-12-09 11:18:35,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 11:18:35,692 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:36,249 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:44,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:44,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 634 states and 1952 transitions. [2018-12-09 11:18:44,434 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 1952 transitions. [2018-12-09 11:18:44,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 11:18:44,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:44,493 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:18:44,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:44,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 641 states and 1990 transitions. [2018-12-09 11:18:44,972 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 1990 transitions. [2018-12-09 11:18:44,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 11:18:44,973 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:44,986 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 11:18:46,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:46,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 644 states and 1995 transitions. [2018-12-09 11:18:46,428 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1995 transitions. [2018-12-09 11:18:46,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 11:18:46,428 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:46,449 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 11:18:46,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:46,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 645 states and 1999 transitions. [2018-12-09 11:18:46,873 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1999 transitions. [2018-12-09 11:18:46,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 11:18:46,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:46,887 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:18:47,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:47,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 648 states and 2007 transitions. [2018-12-09 11:18:47,278 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 2007 transitions. [2018-12-09 11:18:47,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 11:18:47,279 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:47,292 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:18:47,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:47,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 651 states and 2015 transitions. [2018-12-09 11:18:47,693 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 2015 transitions. [2018-12-09 11:18:47,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 11:18:47,693 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:47,710 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:47,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:47,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2021 states to 654 states and 2019 transitions. [2018-12-09 11:18:47,729 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 2019 transitions. [2018-12-09 11:18:47,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 11:18:47,729 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:47,762 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:18:48,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:48,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2063 states to 661 states and 2061 transitions. [2018-12-09 11:18:48,285 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 2061 transitions. [2018-12-09 11:18:48,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 11:18:48,286 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:48,299 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 11:18:49,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:49,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 664 states and 2066 transitions. [2018-12-09 11:18:49,175 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 2066 transitions. [2018-12-09 11:18:49,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 11:18:49,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:49,189 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 11:18:49,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:49,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 665 states and 2070 transitions. [2018-12-09 11:18:49,571 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 2070 transitions. [2018-12-09 11:18:49,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 11:18:49,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:49,585 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 11:18:49,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:49,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2073 states to 666 states and 2071 transitions. [2018-12-09 11:18:49,938 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 2071 transitions. [2018-12-09 11:18:49,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 11:18:49,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:49,953 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:18:49,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:49,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 668 states and 2083 transitions. [2018-12-09 11:18:49,966 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 2083 transitions. [2018-12-09 11:18:49,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 11:18:49,966 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:49,979 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:50,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:50,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2088 states to 670 states and 2086 transitions. [2018-12-09 11:18:50,154 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 2086 transitions. [2018-12-09 11:18:50,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 11:18:50,154 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:50,197 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:18:50,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:50,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2091 states to 672 states and 2089 transitions. [2018-12-09 11:18:50,242 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 2089 transitions. [2018-12-09 11:18:50,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 11:18:50,242 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:50,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:18:50,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:50,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2097 states to 674 states and 2091 transitions. [2018-12-09 11:18:50,685 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 2091 transitions. [2018-12-09 11:18:50,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 11:18:50,686 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:50,844 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:18:50,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:50,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 671 states and 2087 transitions. [2018-12-09 11:18:50,854 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 2087 transitions. [2018-12-09 11:18:50,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 11:18:50,855 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:50,872 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:18:51,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:51,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 672 states and 2087 transitions. [2018-12-09 11:18:51,056 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 2087 transitions. [2018-12-09 11:18:51,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 11:18:51,056 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:51,073 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:18:52,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:52,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 675 states and 2096 transitions. [2018-12-09 11:18:52,434 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 2096 transitions. [2018-12-09 11:18:52,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 11:18:52,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:52,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:52,451 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:18:53,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:53,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 676 states and 2099 transitions. [2018-12-09 11:18:53,019 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 2099 transitions. [2018-12-09 11:18:53,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 11:18:53,020 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:53,202 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:18:53,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:53,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 677 states and 2101 transitions. [2018-12-09 11:18:53,393 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 2101 transitions. [2018-12-09 11:18:53,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 11:18:53,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:53,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:53,411 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:18:53,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:53,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 678 states and 2108 transitions. [2018-12-09 11:18:53,830 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 2108 transitions. [2018-12-09 11:18:53,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 11:18:53,831 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:53,848 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:18:55,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:55,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 683 states and 2140 transitions. [2018-12-09 11:18:55,692 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 2140 transitions. [2018-12-09 11:18:55,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 11:18:55,692 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:55,710 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:18:56,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:56,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 686 states and 2169 transitions. [2018-12-09 11:18:56,373 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 2169 transitions. [2018-12-09 11:18:56,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 11:18:56,374 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:56,400 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:18:56,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:56,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 689 states and 2173 transitions. [2018-12-09 11:18:56,426 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 2173 transitions. [2018-12-09 11:18:56,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 11:18:56,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:56,451 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 11:18:57,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:57,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2194 states to 694 states and 2181 transitions. [2018-12-09 11:18:57,269 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 2181 transitions. [2018-12-09 11:18:57,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 11:18:57,270 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:57,356 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 11:18:58,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:58,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 698 states and 2203 transitions. [2018-12-09 11:18:58,411 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 2203 transitions. [2018-12-09 11:18:58,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 11:18:58,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:58,442 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 11:18:58,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:58,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 699 states and 2206 transitions. [2018-12-09 11:18:58,878 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 2206 transitions. [2018-12-09 11:18:58,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 11:18:58,879 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:58,893 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 11:18:59,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:59,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 700 states and 2209 transitions. [2018-12-09 11:18:59,276 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 2209 transitions. [2018-12-09 11:18:59,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 11:18:59,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:59,291 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 11:18:59,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:18:59,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 701 states and 2211 transitions. [2018-12-09 11:18:59,306 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 2211 transitions. [2018-12-09 11:18:59,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 11:18:59,307 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:18:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:59,319 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:19:00,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:00,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 704 states and 2216 transitions. [2018-12-09 11:19:00,037 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 2216 transitions. [2018-12-09 11:19:00,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 11:19:00,038 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:00,734 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:19:02,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 707 states and 2223 transitions. [2018-12-09 11:19:02,243 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 2223 transitions. [2018-12-09 11:19:02,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 11:19:02,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,257 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:19:02,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 710 states and 2226 transitions. [2018-12-09 11:19:02,928 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 2226 transitions. [2018-12-09 11:19:02,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 11:19:02,929 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,948 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:19:03,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:03,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2243 states to 713 states and 2230 transitions. [2018-12-09 11:19:03,361 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 2230 transitions. [2018-12-09 11:19:03,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 11:19:03,362 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:03,376 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:19:03,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:03,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2246 states to 716 states and 2233 transitions. [2018-12-09 11:19:03,767 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 2233 transitions. [2018-12-09 11:19:03,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 11:19:03,768 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:03,793 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 11:19:03,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:03,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2248 states to 719 states and 2235 transitions. [2018-12-09 11:19:03,999 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 2235 transitions. [2018-12-09 11:19:03,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 11:19:03,999 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:04,016 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:19:05,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:05,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 722 states and 2242 transitions. [2018-12-09 11:19:05,201 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 2242 transitions. [2018-12-09 11:19:05,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 11:19:05,201 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:05,217 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:19:05,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:05,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2260 states to 723 states and 2247 transitions. [2018-12-09 11:19:05,631 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 2247 transitions. [2018-12-09 11:19:05,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 11:19:05,632 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:05,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:05,648 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:19:05,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:05,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 724 states and 2249 transitions. [2018-12-09 11:19:05,674 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 2249 transitions. [2018-12-09 11:19:05,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 11:19:05,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:05,691 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:19:05,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:05,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 725 states and 2251 transitions. [2018-12-09 11:19:05,713 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 2251 transitions. [2018-12-09 11:19:05,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 11:19:05,713 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:05,729 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:19:06,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:06,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2266 states to 726 states and 2253 transitions. [2018-12-09 11:19:06,173 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 2253 transitions. [2018-12-09 11:19:06,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 11:19:06,173 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:06,190 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:19:06,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:06,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2294 states to 729 states and 2281 transitions. [2018-12-09 11:19:06,640 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 2281 transitions. [2018-12-09 11:19:06,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 11:19:06,640 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:06,654 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 11:19:08,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:08,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2319 states to 732 states and 2306 transitions. [2018-12-09 11:19:08,668 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 2306 transitions. [2018-12-09 11:19:08,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 11:19:08,669 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:08,685 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:19:08,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:08,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 735 states and 2310 transitions. [2018-12-09 11:19:08,702 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 2310 transitions. [2018-12-09 11:19:08,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:08,703 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:08,724 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:19:08,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:08,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2326 states to 737 states and 2313 transitions. [2018-12-09 11:19:08,733 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 2313 transitions. [2018-12-09 11:19:08,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:08,734 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:08,755 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 11:19:09,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:09,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 742 states and 2321 transitions. [2018-12-09 11:19:09,718 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 2321 transitions. [2018-12-09 11:19:09,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 11:19:09,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:09,937 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:19:10,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:10,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 743 states and 2321 transitions. [2018-12-09 11:19:10,126 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 2321 transitions. [2018-12-09 11:19:10,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 11:19:10,126 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:10,139 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 11:19:12,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:12,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2345 states to 747 states and 2332 transitions. [2018-12-09 11:19:12,841 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 2332 transitions. [2018-12-09 11:19:12,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 11:19:12,842 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:12,865 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:19:13,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:13,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 748 states and 2333 transitions. [2018-12-09 11:19:13,139 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 2333 transitions. [2018-12-09 11:19:13,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 11:19:13,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:13,153 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:19:14,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:14,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 749 states and 2336 transitions. [2018-12-09 11:19:14,046 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 2336 transitions. [2018-12-09 11:19:14,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 11:19:14,047 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:14,069 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:19:14,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:14,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2352 states to 750 states and 2339 transitions. [2018-12-09 11:19:14,673 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 2339 transitions. [2018-12-09 11:19:14,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 11:19:14,673 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:14,686 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 11:19:15,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:15,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2352 states to 751 states and 2339 transitions. [2018-12-09 11:19:15,169 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 2339 transitions. [2018-12-09 11:19:15,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 11:19:15,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:15,184 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:19:15,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:15,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 754 states and 2343 transitions. [2018-12-09 11:19:15,204 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 2343 transitions. [2018-12-09 11:19:15,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 11:19:15,204 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:15,577 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 11:19:17,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:17,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 758 states and 2349 transitions. [2018-12-09 11:19:17,094 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 2349 transitions. [2018-12-09 11:19:17,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:17,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:17,284 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:19:19,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:19,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 761 states and 2355 transitions. [2018-12-09 11:19:19,447 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 2355 transitions. [2018-12-09 11:19:19,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:19,448 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:19,469 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:19:20,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:20,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 764 states and 2358 transitions. [2018-12-09 11:19:20,202 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 2358 transitions. [2018-12-09 11:19:20,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 11:19:20,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:20,219 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 11:19:20,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:20,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2375 states to 767 states and 2362 transitions. [2018-12-09 11:19:20,236 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 2362 transitions. [2018-12-09 11:19:20,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 11:19:20,237 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:20,254 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 11:19:20,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:20,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 768 states and 2363 transitions. [2018-12-09 11:19:20,273 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 2363 transitions. [2018-12-09 11:19:20,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 11:19:20,273 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:20,289 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:19:20,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:20,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 769 states and 2364 transitions. [2018-12-09 11:19:20,536 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 2364 transitions. [2018-12-09 11:19:20,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 11:19:20,537 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:20,552 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:19:21,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:21,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 772 states and 2370 transitions. [2018-12-09 11:19:21,751 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 2370 transitions. [2018-12-09 11:19:21,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 11:19:21,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:21,767 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:19:21,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:21,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 773 states and 2373 transitions. [2018-12-09 11:19:21,790 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 2373 transitions. [2018-12-09 11:19:21,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 11:19:21,791 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:21,806 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:19:22,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:22,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 774 states and 2375 transitions. [2018-12-09 11:19:22,290 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 2375 transitions. [2018-12-09 11:19:22,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 11:19:22,290 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:22,307 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:19:23,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:23,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2408 states to 777 states and 2395 transitions. [2018-12-09 11:19:23,919 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 2395 transitions. [2018-12-09 11:19:23,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:23,920 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:23,945 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 11:19:24,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:24,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 779 states and 2399 transitions. [2018-12-09 11:19:24,542 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 2399 transitions. [2018-12-09 11:19:24,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:24,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:24,565 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:19:24,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:24,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 782 states and 2405 transitions. [2018-12-09 11:19:24,989 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 2405 transitions. [2018-12-09 11:19:24,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:24,989 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:25,006 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:19:25,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:25,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2425 states to 783 states and 2412 transitions. [2018-12-09 11:19:25,465 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 2412 transitions. [2018-12-09 11:19:25,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:25,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:25,482 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 11:19:25,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:25,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2429 states to 786 states and 2416 transitions. [2018-12-09 11:19:25,507 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 2416 transitions. [2018-12-09 11:19:25,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:25,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:25,548 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:19:26,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:26,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2440 states to 790 states and 2427 transitions. [2018-12-09 11:19:26,270 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 2427 transitions. [2018-12-09 11:19:26,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:26,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:26,720 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:19:28,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:28,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2448 states to 794 states and 2435 transitions. [2018-12-09 11:19:28,872 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 2435 transitions. [2018-12-09 11:19:28,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 11:19:28,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:28,895 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:19:28,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:28,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2451 states to 796 states and 2438 transitions. [2018-12-09 11:19:28,907 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 2438 transitions. [2018-12-09 11:19:28,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 11:19:28,908 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:28,931 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 11:19:30,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:30,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2459 states to 801 states and 2446 transitions. [2018-12-09 11:19:30,171 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 2446 transitions. [2018-12-09 11:19:30,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:30,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:30,206 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 11:19:30,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:30,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2463 states to 803 states and 2450 transitions. [2018-12-09 11:19:30,484 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 2450 transitions. [2018-12-09 11:19:30,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:30,485 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:30,499 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 11:19:31,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:31,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2472 states to 806 states and 2459 transitions. [2018-12-09 11:19:31,270 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 2459 transitions. [2018-12-09 11:19:31,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:31,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:31,285 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 11:19:31,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:31,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2473 states to 807 states and 2460 transitions. [2018-12-09 11:19:31,740 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 2460 transitions. [2018-12-09 11:19:31,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:31,740 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:31,754 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 11:19:32,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:32,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 808 states and 2462 transitions. [2018-12-09 11:19:32,228 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 2462 transitions. [2018-12-09 11:19:32,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:32,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:32,241 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 11:19:33,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:33,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2481 states to 811 states and 2468 transitions. [2018-12-09 11:19:33,019 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 2468 transitions. [2018-12-09 11:19:33,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:33,020 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:33,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:33,033 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:19:33,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:33,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2482 states to 812 states and 2469 transitions. [2018-12-09 11:19:33,482 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 2469 transitions. [2018-12-09 11:19:33,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:33,483 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:33,496 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:19:34,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:34,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 813 states and 2472 transitions. [2018-12-09 11:19:34,021 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 2472 transitions. [2018-12-09 11:19:34,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:34,021 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:34,034 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:19:34,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:34,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2511 states to 816 states and 2498 transitions. [2018-12-09 11:19:34,524 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 2498 transitions. [2018-12-09 11:19:34,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:34,525 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:34,557 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:19:35,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:35,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2534 states to 818 states and 2521 transitions. [2018-12-09 11:19:35,076 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 2521 transitions. [2018-12-09 11:19:35,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:35,077 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:35,138 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:19:35,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:35,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2549 states to 820 states and 2536 transitions. [2018-12-09 11:19:35,805 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 2536 transitions. [2018-12-09 11:19:35,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:35,807 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:35,828 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 11:19:36,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:36,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2555 states to 823 states and 2542 transitions. [2018-12-09 11:19:36,573 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 2542 transitions. [2018-12-09 11:19:36,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:36,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:36,596 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:19:38,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:38,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 826 states and 2548 transitions. [2018-12-09 11:19:38,471 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 2548 transitions. [2018-12-09 11:19:38,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:38,473 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:38,497 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:19:38,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:38,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 828 states and 2550 transitions. [2018-12-09 11:19:38,976 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 2550 transitions. [2018-12-09 11:19:38,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:38,977 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:38,992 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 11:19:39,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:39,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 829 states and 2551 transitions. [2018-12-09 11:19:39,451 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 2551 transitions. [2018-12-09 11:19:39,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:39,451 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:39,485 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 11:19:39,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:39,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 830 states and 2551 transitions. [2018-12-09 11:19:39,525 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 2551 transitions. [2018-12-09 11:19:39,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:39,526 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:39,544 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 11:19:39,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:39,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 831 states and 2551 transitions. [2018-12-09 11:19:39,566 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 2551 transitions. [2018-12-09 11:19:39,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:39,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:39,776 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:19:40,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:40,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 825 states and 2537 transitions. [2018-12-09 11:19:40,067 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 2537 transitions. [2018-12-09 11:19:40,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:40,067 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:40,083 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 11:19:40,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:40,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2562 states to 828 states and 2541 transitions. [2018-12-09 11:19:40,096 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 2541 transitions. [2018-12-09 11:19:40,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:40,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:40,112 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 11:19:40,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:40,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 829 states and 2542 transitions. [2018-12-09 11:19:40,128 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 2542 transitions. [2018-12-09 11:19:40,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:19:40,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:40,343 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:19:40,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:40,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 830 states and 2543 transitions. [2018-12-09 11:19:40,787 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 2543 transitions. [2018-12-09 11:19:40,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 11:19:40,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:40,808 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:19:40,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:40,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 832 states and 2546 transitions. [2018-12-09 11:19:40,821 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 2546 transitions. [2018-12-09 11:19:40,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 11:19:40,822 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:40,842 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 11:19:42,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:42,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 837 states and 2554 transitions. [2018-12-09 11:19:42,158 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 2554 transitions. [2018-12-09 11:19:42,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 11:19:42,159 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:42,172 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 11:19:42,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:42,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 838 states and 2554 transitions. [2018-12-09 11:19:42,688 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 2554 transitions. [2018-12-09 11:19:42,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 11:19:42,689 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:42,703 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 11:19:43,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:43,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2576 states to 839 states and 2555 transitions. [2018-12-09 11:19:43,193 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 2555 transitions. [2018-12-09 11:19:43,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 11:19:43,194 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:43,227 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 11:19:43,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:43,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 840 states and 2556 transitions. [2018-12-09 11:19:43,701 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 2556 transitions. [2018-12-09 11:19:43,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 11:19:43,702 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:43,716 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 11:19:44,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:44,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 841 states and 2556 transitions. [2018-12-09 11:19:44,012 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 2556 transitions. [2018-12-09 11:19:44,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 11:19:44,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:44,027 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-09 11:19:44,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:44,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 842 states and 2556 transitions. [2018-12-09 11:19:44,264 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 2556 transitions. [2018-12-09 11:19:44,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 11:19:44,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:44,277 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:19:46,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:46,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2581 states to 845 states and 2560 transitions. [2018-12-09 11:19:46,163 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 2560 transitions. [2018-12-09 11:19:46,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 11:19:46,164 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:46,180 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 11:19:47,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:47,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2584 states to 848 states and 2563 transitions. [2018-12-09 11:19:47,029 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 2563 transitions. [2018-12-09 11:19:47,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 11:19:47,029 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:47,042 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:19:47,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:47,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2587 states to 849 states and 2566 transitions. [2018-12-09 11:19:47,563 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 2566 transitions. [2018-12-09 11:19:47,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 11:19:47,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:47,577 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:19:48,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:48,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2589 states to 850 states and 2568 transitions. [2018-12-09 11:19:48,162 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 2568 transitions. [2018-12-09 11:19:48,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 11:19:48,162 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:48,179 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:19:48,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:48,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 853 states and 2591 transitions. [2018-12-09 11:19:48,435 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 2591 transitions. [2018-12-09 11:19:48,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 11:19:48,436 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:48,449 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 11:19:48,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:48,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2613 states to 855 states and 2592 transitions. [2018-12-09 11:19:48,854 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 2592 transitions. [2018-12-09 11:19:48,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 11:19:48,855 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:48,873 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:19:49,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:49,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2620 states to 859 states and 2599 transitions. [2018-12-09 11:19:49,512 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 2599 transitions. [2018-12-09 11:19:49,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 11:19:49,513 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:49,536 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:19:49,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:49,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2623 states to 861 states and 2602 transitions. [2018-12-09 11:19:49,552 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 2602 transitions. [2018-12-09 11:19:49,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 11:19:49,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:49,804 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:19:50,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:50,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2626 states to 864 states and 2605 transitions. [2018-12-09 11:19:50,325 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 2605 transitions. [2018-12-09 11:19:50,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 11:19:50,325 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:50,345 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:19:51,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:51,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2634 states to 869 states and 2613 transitions. [2018-12-09 11:19:51,536 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 2613 transitions. [2018-12-09 11:19:51,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 11:19:51,537 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:51,558 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:19:51,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:51,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2637 states to 871 states and 2616 transitions. [2018-12-09 11:19:51,625 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 2616 transitions. [2018-12-09 11:19:51,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 11:19:51,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:51,646 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:19:53,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:53,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 876 states and 2624 transitions. [2018-12-09 11:19:53,145 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 2624 transitions. [2018-12-09 11:19:53,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 11:19:53,146 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:53,166 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 11:19:53,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:53,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 878 states and 2626 transitions. [2018-12-09 11:19:53,178 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 2626 transitions. [2018-12-09 11:19:53,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 11:19:53,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:53,199 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:19:54,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:54,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2655 states to 883 states and 2634 transitions. [2018-12-09 11:19:54,837 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 2634 transitions. [2018-12-09 11:19:54,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 11:19:54,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:54,860 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:19:54,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:54,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2658 states to 885 states and 2637 transitions. [2018-12-09 11:19:54,879 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 2637 transitions. [2018-12-09 11:19:54,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 11:19:54,880 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:54,900 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 11:19:54,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:54,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 887 states and 2639 transitions. [2018-12-09 11:19:54,920 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 2639 transitions. [2018-12-09 11:19:54,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 11:19:54,920 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:54,935 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:19:55,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:55,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 890 states and 2642 transitions. [2018-12-09 11:19:55,544 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 2642 transitions. [2018-12-09 11:19:55,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 11:19:55,545 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:55,564 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 11:19:56,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:56,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 891 states and 2642 transitions. [2018-12-09 11:19:56,135 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 2642 transitions. [2018-12-09 11:19:56,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 11:19:56,137 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:56,164 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:19:56,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:56,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2666 states to 893 states and 2645 transitions. [2018-12-09 11:19:56,179 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 2645 transitions. [2018-12-09 11:19:56,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 11:19:56,180 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:56,199 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:19:58,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:58,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 898 states and 2653 transitions. [2018-12-09 11:19:58,004 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 2653 transitions. [2018-12-09 11:19:58,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 11:19:58,005 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:58,024 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 11:19:58,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:58,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 900 states and 2655 transitions. [2018-12-09 11:19:58,041 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 2655 transitions. [2018-12-09 11:19:58,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 11:19:58,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:58,064 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:20:00,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:00,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 905 states and 2663 transitions. [2018-12-09 11:20:00,139 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 2663 transitions. [2018-12-09 11:20:00,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 11:20:00,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:00,162 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:00,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:00,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 906 states and 2663 transitions. [2018-12-09 11:20:00,944 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 2663 transitions. [2018-12-09 11:20:00,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 11:20:00,945 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:00,973 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:20:04,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:04,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 913 states and 2704 transitions. [2018-12-09 11:20:04,093 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 2704 transitions. [2018-12-09 11:20:04,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 11:20:04,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:04,114 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:20:04,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:04,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 914 states and 2704 transitions. [2018-12-09 11:20:04,139 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 2704 transitions. [2018-12-09 11:20:04,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 11:20:04,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:04,159 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 11:20:05,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:05,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2727 states to 916 states and 2706 transitions. [2018-12-09 11:20:05,082 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 2706 transitions. [2018-12-09 11:20:05,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 11:20:05,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:05,103 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:20:05,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:05,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 918 states and 2709 transitions. [2018-12-09 11:20:05,123 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 2709 transitions. [2018-12-09 11:20:05,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 11:20:05,124 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:05,143 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 11:20:05,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:05,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2732 states to 920 states and 2711 transitions. [2018-12-09 11:20:05,163 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 2711 transitions. [2018-12-09 11:20:05,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 11:20:05,164 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:05,178 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:20:05,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:05,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 923 states and 2716 transitions. [2018-12-09 11:20:05,953 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 2716 transitions. [2018-12-09 11:20:05,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 11:20:05,954 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:05,968 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:20:05,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:05,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 924 states and 2716 transitions. [2018-12-09 11:20:05,984 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 2716 transitions. [2018-12-09 11:20:05,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 11:20:05,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:05,998 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:06,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:06,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 925 states and 2716 transitions. [2018-12-09 11:20:06,066 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 2716 transitions. [2018-12-09 11:20:06,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 11:20:06,067 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:06,087 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:07,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:07,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2740 states to 927 states and 2719 transitions. [2018-12-09 11:20:07,239 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 2719 transitions. [2018-12-09 11:20:07,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 11:20:07,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:07,261 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 11:20:07,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:07,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2743 states to 928 states and 2722 transitions. [2018-12-09 11:20:07,297 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 2722 transitions. [2018-12-09 11:20:07,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 11:20:07,298 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:07,318 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:07,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:07,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2744 states to 929 states and 2723 transitions. [2018-12-09 11:20:07,801 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 2723 transitions. [2018-12-09 11:20:07,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 11:20:07,802 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:07,821 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:20:07,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:07,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2744 states to 930 states and 2723 transitions. [2018-12-09 11:20:07,852 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 2723 transitions. [2018-12-09 11:20:07,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 11:20:07,853 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:08,120 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 11:20:09,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:09,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2743 states to 931 states and 2722 transitions. [2018-12-09 11:20:09,331 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 2722 transitions. [2018-12-09 11:20:09,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 11:20:09,333 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:09,352 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:20:09,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:09,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2743 states to 932 states and 2722 transitions. [2018-12-09 11:20:09,370 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 2722 transitions. [2018-12-09 11:20:09,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 11:20:09,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:09,385 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 11:20:09,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:09,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 935 states and 2728 transitions. [2018-12-09 11:20:09,560 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 2728 transitions. [2018-12-09 11:20:09,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 11:20:09,561 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:09,580 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 11:20:09,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:09,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2751 states to 937 states and 2730 transitions. [2018-12-09 11:20:09,604 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 2730 transitions. [2018-12-09 11:20:09,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 11:20:09,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:09,624 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:10,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:10,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 939 states and 2733 transitions. [2018-12-09 11:20:10,873 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 2733 transitions. [2018-12-09 11:20:10,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 11:20:10,874 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:10,898 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 11:20:10,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:10,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2757 states to 940 states and 2736 transitions. [2018-12-09 11:20:10,939 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 2736 transitions. [2018-12-09 11:20:10,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 11:20:10,940 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:10,961 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:20:10,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:10,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2760 states to 943 states and 2739 transitions. [2018-12-09 11:20:10,984 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 2739 transitions. [2018-12-09 11:20:10,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 11:20:10,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:11,004 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:20:11,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:11,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 944 states and 2740 transitions. [2018-12-09 11:20:11,030 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 2740 transitions. [2018-12-09 11:20:11,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 11:20:11,031 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:11,050 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:20:11,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:11,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 945 states and 2740 transitions. [2018-12-09 11:20:11,066 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 2740 transitions. [2018-12-09 11:20:11,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 11:20:11,067 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:11,083 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:12,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:12,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2776 states to 954 states and 2753 transitions. [2018-12-09 11:20:12,513 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 2753 transitions. [2018-12-09 11:20:12,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 11:20:12,514 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:12,529 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:12,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:12,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 963 states and 2766 transitions. [2018-12-09 11:20:12,580 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 2766 transitions. [2018-12-09 11:20:12,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 11:20:12,581 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:12,604 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 11:20:12,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:12,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 965 states and 2768 transitions. [2018-12-09 11:20:12,640 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 2768 transitions. [2018-12-09 11:20:12,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 11:20:12,641 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:12,665 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:13,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:13,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2797 states to 967 states and 2772 transitions. [2018-12-09 11:20:13,906 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 2772 transitions. [2018-12-09 11:20:13,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 11:20:13,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:13,929 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:20:13,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:13,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2800 states to 970 states and 2775 transitions. [2018-12-09 11:20:13,951 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 2775 transitions. [2018-12-09 11:20:13,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 11:20:13,952 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:13,973 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:14,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:14,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2802 states to 971 states and 2777 transitions. [2018-12-09 11:20:14,312 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 2777 transitions. [2018-12-09 11:20:14,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 11:20:14,312 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:14,333 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:14,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:14,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2802 states to 972 states and 2777 transitions. [2018-12-09 11:20:14,372 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 2777 transitions. [2018-12-09 11:20:14,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 11:20:14,373 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:14,392 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 11:20:14,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:14,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2802 states to 973 states and 2777 transitions. [2018-12-09 11:20:14,417 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 2777 transitions. [2018-12-09 11:20:14,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 11:20:14,417 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:14,438 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:20:14,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:14,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 974 states and 2778 transitions. [2018-12-09 11:20:14,465 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 2778 transitions. [2018-12-09 11:20:14,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 11:20:14,466 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:14,486 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:14,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:14,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 975 states and 2778 transitions. [2018-12-09 11:20:14,519 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 2778 transitions. [2018-12-09 11:20:14,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 11:20:14,520 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:14,540 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:14,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:14,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 976 states and 2779 transitions. [2018-12-09 11:20:14,832 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 2779 transitions. [2018-12-09 11:20:14,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 11:20:14,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:14,849 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-09 11:20:15,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:15,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 977 states and 2779 transitions. [2018-12-09 11:20:15,097 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 2779 transitions. [2018-12-09 11:20:15,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 11:20:15,098 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:15,113 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 11:20:15,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:15,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 978 states and 2782 transitions. [2018-12-09 11:20:15,807 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 2782 transitions. [2018-12-09 11:20:15,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 11:20:15,808 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:15,824 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 11:20:16,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:16,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 979 states and 2783 transitions. [2018-12-09 11:20:16,373 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 2783 transitions. [2018-12-09 11:20:16,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 11:20:16,374 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:16,389 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 11:20:17,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:17,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2809 states to 980 states and 2784 transitions. [2018-12-09 11:20:17,093 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 2784 transitions. [2018-12-09 11:20:17,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 11:20:17,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:17,110 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 11:20:17,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:17,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 982 states and 2787 transitions. [2018-12-09 11:20:17,232 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 2787 transitions. [2018-12-09 11:20:17,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 11:20:17,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:17,248 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:18,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:18,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 991 states and 2800 transitions. [2018-12-09 11:20:18,184 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 2800 transitions. [2018-12-09 11:20:18,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 11:20:18,184 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:18,200 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:18,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:18,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2842 states to 1000 states and 2813 transitions. [2018-12-09 11:20:18,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 2813 transitions. [2018-12-09 11:20:18,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 11:20:18,261 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:18,281 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 11:20:18,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:18,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2844 states to 1002 states and 2815 transitions. [2018-12-09 11:20:18,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 2815 transitions. [2018-12-09 11:20:18,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 11:20:18,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:18,320 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:18,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:18,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2844 states to 1003 states and 2815 transitions. [2018-12-09 11:20:18,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 2815 transitions. [2018-12-09 11:20:18,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 11:20:18,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:18,617 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:19,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:19,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2851 states to 1006 states and 2822 transitions. [2018-12-09 11:20:19,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 2822 transitions. [2018-12-09 11:20:19,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 11:20:19,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:19,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:19,924 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:20:22,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:22,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2873 states to 1011 states and 2844 transitions. [2018-12-09 11:20:22,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 2844 transitions. [2018-12-09 11:20:22,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 11:20:22,418 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:22,441 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:22,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:22,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2874 states to 1012 states and 2845 transitions. [2018-12-09 11:20:22,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 2845 transitions. [2018-12-09 11:20:22,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 11:20:22,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:22,482 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:24,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:24,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2877 states to 1014 states and 2848 transitions. [2018-12-09 11:20:24,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 2848 transitions. [2018-12-09 11:20:24,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 11:20:24,034 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:24,054 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 11:20:24,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:24,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2877 states to 1015 states and 2848 transitions. [2018-12-09 11:20:24,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 2848 transitions. [2018-12-09 11:20:24,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 11:20:24,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:24,367 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:20:24,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:24,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2880 states to 1016 states and 2851 transitions. [2018-12-09 11:20:24,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 2851 transitions. [2018-12-09 11:20:24,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 11:20:24,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:24,930 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 11:20:24,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:24,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2880 states to 1017 states and 2851 transitions. [2018-12-09 11:20:24,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 2851 transitions. [2018-12-09 11:20:24,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 11:20:24,979 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:24,998 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:25,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:25,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 1018 states and 2852 transitions. [2018-12-09 11:20:25,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 2852 transitions. [2018-12-09 11:20:25,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 11:20:25,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:25,321 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:25,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:25,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 1019 states and 2852 transitions. [2018-12-09 11:20:25,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 2852 transitions. [2018-12-09 11:20:25,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 11:20:25,390 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:25,409 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 11:20:26,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:26,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2884 states to 1020 states and 2855 transitions. [2018-12-09 11:20:26,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 2855 transitions. [2018-12-09 11:20:26,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 11:20:26,124 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:26,145 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 11:20:26,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:26,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2885 states to 1021 states and 2856 transitions. [2018-12-09 11:20:26,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 2856 transitions. [2018-12-09 11:20:26,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 11:20:26,514 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:26,536 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:20:26,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:26,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2888 states to 1024 states and 2859 transitions. [2018-12-09 11:20:26,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 2859 transitions. [2018-12-09 11:20:26,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 11:20:26,607 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:26,627 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:20:26,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:26,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2889 states to 1025 states and 2860 transitions. [2018-12-09 11:20:26,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 2860 transitions. [2018-12-09 11:20:26,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 11:20:26,664 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:26,685 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:26,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:26,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2889 states to 1026 states and 2860 transitions. [2018-12-09 11:20:26,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 2860 transitions. [2018-12-09 11:20:26,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 11:20:26,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:26,962 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 11:20:27,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:27,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2892 states to 1029 states and 2863 transitions. [2018-12-09 11:20:27,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 2863 transitions. [2018-12-09 11:20:27,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 11:20:27,621 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:27,635 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:20:27,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:27,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 1029 states and 2860 transitions. [2018-12-09 11:20:27,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 2860 transitions. [2018-12-09 11:20:27,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 11:20:27,676 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:27,690 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:20:27,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:27,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2894 states to 1029 states and 2857 transitions. [2018-12-09 11:20:27,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 2857 transitions. [2018-12-09 11:20:27,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 11:20:27,727 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:27,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:27,748 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 11:20:27,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:27,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2896 states to 1031 states and 2859 transitions. [2018-12-09 11:20:27,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 2859 transitions. [2018-12-09 11:20:27,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 11:20:27,864 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:27,884 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:20:27,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:27,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 1034 states and 2863 transitions. [2018-12-09 11:20:27,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 2863 transitions. [2018-12-09 11:20:27,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 11:20:27,965 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:27,986 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:28,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:28,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 1036 states and 2865 transitions. [2018-12-09 11:20:28,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 2865 transitions. [2018-12-09 11:20:28,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 11:20:28,011 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:28,031 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:20:28,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:28,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2903 states to 1037 states and 2866 transitions. [2018-12-09 11:20:28,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 2866 transitions. [2018-12-09 11:20:28,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 11:20:28,078 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:28,098 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:28,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:28,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2903 states to 1038 states and 2866 transitions. [2018-12-09 11:20:28,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 2866 transitions. [2018-12-09 11:20:28,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 11:20:28,138 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:28,159 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:20:28,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:28,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2906 states to 1039 states and 2869 transitions. [2018-12-09 11:20:28,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 2869 transitions. [2018-12-09 11:20:28,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 11:20:28,795 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:28,817 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:29,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:29,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 1040 states and 2870 transitions. [2018-12-09 11:20:29,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 2870 transitions. [2018-12-09 11:20:29,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 11:20:29,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:29,164 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:29,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:29,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 1041 states and 2872 transitions. [2018-12-09 11:20:29,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 2872 transitions. [2018-12-09 11:20:29,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 11:20:29,517 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:29,539 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 11:20:30,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:30,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 1047 states and 2881 transitions. [2018-12-09 11:20:30,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 2881 transitions. [2018-12-09 11:20:30,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 11:20:30,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:30,787 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:31,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:31,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 1049 states and 2895 transitions. [2018-12-09 11:20:31,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 2895 transitions. [2018-12-09 11:20:31,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 11:20:31,426 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:31,447 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:20:31,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:31,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2936 states to 1052 states and 2899 transitions. [2018-12-09 11:20:31,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 2899 transitions. [2018-12-09 11:20:31,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 11:20:31,466 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:31,486 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:20:31,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:31,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 1053 states and 2900 transitions. [2018-12-09 11:20:31,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 2900 transitions. [2018-12-09 11:20:31,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 11:20:31,506 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:31,525 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:31,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:31,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 1054 states and 2900 transitions. [2018-12-09 11:20:31,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 2900 transitions. [2018-12-09 11:20:31,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 11:20:31,575 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:31,600 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:32,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:32,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2952 states to 1063 states and 2913 transitions. [2018-12-09 11:20:32,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 2913 transitions. [2018-12-09 11:20:32,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 11:20:32,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:33,007 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:33,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:33,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2967 states to 1072 states and 2926 transitions. [2018-12-09 11:20:33,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 2926 transitions. [2018-12-09 11:20:33,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 11:20:33,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:34,830 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 11:20:35,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:35,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2971 states to 1075 states and 2930 transitions. [2018-12-09 11:20:35,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 2930 transitions. [2018-12-09 11:20:35,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 11:20:35,520 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:35,541 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:20:36,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:36,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2972 states to 1076 states and 2931 transitions. [2018-12-09 11:20:36,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 2931 transitions. [2018-12-09 11:20:36,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 11:20:36,187 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:36,208 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 11:20:36,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:36,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2977 states to 1079 states and 2936 transitions. [2018-12-09 11:20:36,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 2936 transitions. [2018-12-09 11:20:36,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 11:20:36,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:36,649 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-09 11:20:36,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:36,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2979 states to 1081 states and 2938 transitions. [2018-12-09 11:20:36,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 2938 transitions. [2018-12-09 11:20:36,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 11:20:36,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:36,733 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 11:20:37,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:37,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2984 states to 1084 states and 2943 transitions. [2018-12-09 11:20:37,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 2943 transitions. [2018-12-09 11:20:37,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 11:20:37,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:37,117 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:37,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:37,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 1087 states and 2947 transitions. [2018-12-09 11:20:37,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 2947 transitions. [2018-12-09 11:20:37,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 11:20:37,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:37,278 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 11:20:38,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:38,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2997 states to 1093 states and 2956 transitions. [2018-12-09 11:20:38,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 2956 transitions. [2018-12-09 11:20:38,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 11:20:38,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:38,633 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:20:38,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:38,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2998 states to 1094 states and 2957 transitions. [2018-12-09 11:20:38,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 2957 transitions. [2018-12-09 11:20:38,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 11:20:38,986 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:39,008 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:20:40,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:40,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2999 states to 1095 states and 2958 transitions. [2018-12-09 11:20:40,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 2958 transitions. [2018-12-09 11:20:40,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 11:20:40,162 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:40,182 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:40,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:40,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 1098 states and 2964 transitions. [2018-12-09 11:20:40,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 2964 transitions. [2018-12-09 11:20:40,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 11:20:40,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:40,362 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 11:20:40,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:40,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 1101 states and 2968 transitions. [2018-12-09 11:20:40,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 2968 transitions. [2018-12-09 11:20:40,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 11:20:40,497 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:40,682 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 11:20:40,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:40,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 1102 states and 2968 transitions. [2018-12-09 11:20:40,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 2968 transitions. [2018-12-09 11:20:40,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 11:20:40,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:40,759 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 11:20:42,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:42,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3018 states to 1108 states and 2977 transitions. [2018-12-09 11:20:42,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2977 transitions. [2018-12-09 11:20:42,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 11:20:42,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:42,304 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-09 11:20:43,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:43,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 1110 states and 2979 transitions. [2018-12-09 11:20:43,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 2979 transitions. [2018-12-09 11:20:43,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 11:20:43,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:43,839 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 11:20:45,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:45,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3031 states to 1112 states and 2990 transitions. [2018-12-09 11:20:45,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2990 transitions. [2018-12-09 11:20:45,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 11:20:45,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:45,764 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 11:20:46,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:46,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3037 states to 1113 states and 2996 transitions. [2018-12-09 11:20:46,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 2996 transitions. [2018-12-09 11:20:46,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 11:20:46,421 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:46,446 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:20:47,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:47,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3038 states to 1114 states and 2997 transitions. [2018-12-09 11:20:47,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 2997 transitions. [2018-12-09 11:20:47,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 11:20:47,187 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:47,207 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:20:47,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:47,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 1116 states and 3000 transitions. [2018-12-09 11:20:47,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 3000 transitions. [2018-12-09 11:20:47,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 11:20:47,981 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:48,008 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 11:20:51,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:51,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3050 states to 1122 states and 3009 transitions. [2018-12-09 11:20:51,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 3009 transitions. [2018-12-09 11:20:51,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 11:20:51,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:51,139 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 11:20:51,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:51,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3050 states to 1123 states and 3009 transitions. [2018-12-09 11:20:51,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 3009 transitions. [2018-12-09 11:20:51,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 11:20:51,161 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:51,183 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-09 11:20:52,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:52,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3052 states to 1125 states and 3011 transitions. [2018-12-09 11:20:52,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 3011 transitions. [2018-12-09 11:20:52,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 11:20:52,020 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:52,042 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 11:20:52,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:52,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3073 states to 1132 states and 3032 transitions. [2018-12-09 11:20:52,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 3032 transitions. [2018-12-09 11:20:52,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 11:20:52,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:52,550 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:20:53,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:53,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3092 states to 1141 states and 3049 transitions. [2018-12-09 11:20:53,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 3049 transitions. [2018-12-09 11:20:53,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 11:20:53,135 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:53,150 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:20:53,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:53,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3111 states to 1150 states and 3066 transitions. [2018-12-09 11:20:53,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 3066 transitions. [2018-12-09 11:20:53,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 11:20:53,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:53,327 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 11:20:54,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:54,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3130 states to 1153 states and 3085 transitions. [2018-12-09 11:20:54,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 3085 transitions. [2018-12-09 11:20:54,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 11:20:54,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:54,517 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:20:55,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:55,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 1154 states and 3088 transitions. [2018-12-09 11:20:55,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 3088 transitions. [2018-12-09 11:20:55,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 11:20:55,259 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:55,280 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:20:56,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:56,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3135 states to 1155 states and 3090 transitions. [2018-12-09 11:20:56,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 3090 transitions. [2018-12-09 11:20:56,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 11:20:56,067 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:56,089 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 11:20:57,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:57,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 1156 states and 3095 transitions. [2018-12-09 11:20:57,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 3095 transitions. [2018-12-09 11:20:57,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 11:20:57,207 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:57,233 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 11:20:58,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:58,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3142 states to 1157 states and 3097 transitions. [2018-12-09 11:20:58,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 3097 transitions. [2018-12-09 11:20:58,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 11:20:58,651 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:58,673 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:20:59,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:20:59,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3142 states to 1158 states and 3097 transitions. [2018-12-09 11:20:59,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 3097 transitions. [2018-12-09 11:20:59,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 11:20:59,421 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:20:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:20:59,446 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:21:00,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:00,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3147 states to 1161 states and 3102 transitions. [2018-12-09 11:21:00,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 3102 transitions. [2018-12-09 11:21:00,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 11:21:00,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:00,814 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 11:21:02,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:02,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 1164 states and 3105 transitions. [2018-12-09 11:21:02,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 3105 transitions. [2018-12-09 11:21:02,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 11:21:02,762 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:02,935 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 11:21:04,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:04,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 1167 states and 3125 transitions. [2018-12-09 11:21:04,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 3125 transitions. [2018-12-09 11:21:04,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 11:21:04,293 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:04,314 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 11:21:04,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:04,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 1168 states and 3125 transitions. [2018-12-09 11:21:04,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 3125 transitions. [2018-12-09 11:21:04,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 11:21:04,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:05,169 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 11:21:05,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:05,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3173 states to 1171 states and 3128 transitions. [2018-12-09 11:21:05,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 3128 transitions. [2018-12-09 11:21:05,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 11:21:05,256 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:05,277 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:21:06,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:06,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3174 states to 1172 states and 3129 transitions. [2018-12-09 11:21:06,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 3129 transitions. [2018-12-09 11:21:06,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 11:21:06,459 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:06,484 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:21:07,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:07,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3176 states to 1173 states and 3131 transitions. [2018-12-09 11:21:07,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 3131 transitions. [2018-12-09 11:21:07,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 11:21:07,246 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:07,266 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 11:21:07,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:07,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 1174 states and 3132 transitions. [2018-12-09 11:21:07,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 3132 transitions. [2018-12-09 11:21:07,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 11:21:07,987 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:08,008 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:21:08,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:08,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 1175 states and 3132 transitions. [2018-12-09 11:21:08,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 3132 transitions. [2018-12-09 11:21:08,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 11:21:08,710 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:08,732 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 11:21:10,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:10,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3187 states to 1181 states and 3142 transitions. [2018-12-09 11:21:10,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 3142 transitions. [2018-12-09 11:21:10,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 11:21:10,256 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:10,272 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:21:11,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:11,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 1190 states and 3158 transitions. [2018-12-09 11:21:11,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 3158 transitions. [2018-12-09 11:21:11,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 11:21:11,485 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:11,501 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:21:11,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:11,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3223 states to 1199 states and 3174 transitions. [2018-12-09 11:21:11,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 3174 transitions. [2018-12-09 11:21:11,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 11:21:11,831 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:11,850 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:21:13,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:13,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3238 states to 1208 states and 3187 transitions. [2018-12-09 11:21:13,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 3187 transitions. [2018-12-09 11:21:13,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 11:21:13,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:14,480 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:21:18,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:18,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3254 states to 1217 states and 3201 transitions. [2018-12-09 11:21:18,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 3201 transitions. [2018-12-09 11:21:18,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 11:21:18,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:19,014 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 11:21:20,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:20,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3260 states to 1219 states and 3207 transitions. [2018-12-09 11:21:20,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 3207 transitions. [2018-12-09 11:21:20,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 11:21:20,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:20,351 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 11:21:21,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:21,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 1220 states and 3208 transitions. [2018-12-09 11:21:21,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 3208 transitions. [2018-12-09 11:21:21,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 11:21:21,027 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:21,049 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 11:21:21,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:21,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 1221 states and 3208 transitions. [2018-12-09 11:21:21,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 3208 transitions. [2018-12-09 11:21:21,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 11:21:21,109 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:21,129 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:21:23,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:23,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3266 states to 1224 states and 3213 transitions. [2018-12-09 11:21:23,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 3213 transitions. [2018-12-09 11:21:23,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 11:21:23,091 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:23,136 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 11:21:23,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:23,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3266 states to 1225 states and 3213 transitions. [2018-12-09 11:21:23,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 3213 transitions. [2018-12-09 11:21:23,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 11:21:23,488 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:23,509 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:21:25,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:25,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3269 states to 1227 states and 3216 transitions. [2018-12-09 11:21:25,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 3216 transitions. [2018-12-09 11:21:25,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 11:21:25,442 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:25,466 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:21:26,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:26,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3269 states to 1228 states and 3216 transitions. [2018-12-09 11:21:26,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 3216 transitions. [2018-12-09 11:21:26,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 11:21:26,073 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:26,097 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 11:21:27,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:27,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3271 states to 1229 states and 3218 transitions. [2018-12-09 11:21:27,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 3218 transitions. [2018-12-09 11:21:27,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 11:21:27,721 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:27,743 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-09 11:21:28,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:28,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3271 states to 1230 states and 3218 transitions. [2018-12-09 11:21:28,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 3218 transitions. [2018-12-09 11:21:28,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 11:21:28,447 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:28,477 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 11:21:31,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:31,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 1236 states and 3230 transitions. [2018-12-09 11:21:31,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 3230 transitions. [2018-12-09 11:21:31,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 11:21:31,621 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:31,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:31,642 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 11:21:34,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:34,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3286 states to 1239 states and 3233 transitions. [2018-12-09 11:21:34,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 3233 transitions. [2018-12-09 11:21:34,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 11:21:34,062 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:34,110 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 11:21:34,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:34,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3287 states to 1240 states and 3234 transitions. [2018-12-09 11:21:34,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 3234 transitions. [2018-12-09 11:21:34,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 11:21:34,868 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:34,890 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:21:35,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:35,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3288 states to 1241 states and 3235 transitions. [2018-12-09 11:21:35,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 3235 transitions. [2018-12-09 11:21:35,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 11:21:35,910 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:35,935 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-09 11:21:35,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:35,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3289 states to 1242 states and 3236 transitions. [2018-12-09 11:21:35,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1242 states and 3236 transitions. [2018-12-09 11:21:35,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 11:21:35,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:35,980 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-09 11:21:36,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:36,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3289 states to 1243 states and 3236 transitions. [2018-12-09 11:21:36,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 3236 transitions. [2018-12-09 11:21:36,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 11:21:36,322 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:36,343 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 11:21:37,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:37,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3298 states to 1249 states and 3245 transitions. [2018-12-09 11:21:37,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 3245 transitions. [2018-12-09 11:21:37,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 11:21:37,997 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:38,037 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 11:21:38,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:38,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3298 states to 1250 states and 3245 transitions. [2018-12-09 11:21:38,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 3245 transitions. [2018-12-09 11:21:38,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 11:21:38,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:38,277 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 11:21:38,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:38,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3298 states to 1251 states and 3245 transitions. [2018-12-09 11:21:38,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 3245 transitions. [2018-12-09 11:21:38,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 11:21:38,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:38,518 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 11:21:40,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:40,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 1252 states and 3241 transitions. [2018-12-09 11:21:40,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 3241 transitions. [2018-12-09 11:21:40,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 11:21:40,742 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:40,793 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 11:21:40,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:40,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3295 states to 1253 states and 3242 transitions. [2018-12-09 11:21:40,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 3242 transitions. [2018-12-09 11:21:40,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 11:21:40,814 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:40,860 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 11:21:40,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:40,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3300 states to 1255 states and 3247 transitions. [2018-12-09 11:21:40,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 3247 transitions. [2018-12-09 11:21:40,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 11:21:40,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:40,911 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 11:21:41,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:41,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3304 states to 1258 states and 3251 transitions. [2018-12-09 11:21:41,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 3251 transitions. [2018-12-09 11:21:41,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 11:21:41,570 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:41,612 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 11:21:41,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:41,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3305 states to 1259 states and 3252 transitions. [2018-12-09 11:21:41,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 3252 transitions. [2018-12-09 11:21:41,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 11:21:41,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:41,697 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 11:21:42,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:42,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3306 states to 1260 states and 3253 transitions. [2018-12-09 11:21:42,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 3253 transitions. [2018-12-09 11:21:42,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 11:21:42,159 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:42,209 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 11:21:42,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:42,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 1263 states and 3258 transitions. [2018-12-09 11:21:42,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 3258 transitions. [2018-12-09 11:21:42,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 11:21:42,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:42,360 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 11:21:44,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:44,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3314 states to 1266 states and 3261 transitions. [2018-12-09 11:21:44,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 3261 transitions. [2018-12-09 11:21:44,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 11:21:44,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:44,697 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 11:21:47,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:47,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3324 states to 1272 states and 3271 transitions. [2018-12-09 11:21:47,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 3271 transitions. [2018-12-09 11:21:47,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 11:21:47,889 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:47,917 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 11:21:49,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:49,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3333 states to 1278 states and 3280 transitions. [2018-12-09 11:21:49,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 3280 transitions. [2018-12-09 11:21:49,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 11:21:49,483 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:51,870 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 31 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:21:56,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:56,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3349 states to 1287 states and 3294 transitions. [2018-12-09 11:21:56,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 3294 transitions. [2018-12-09 11:21:56,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 11:21:56,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:56,890 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-09 11:21:57,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:57,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3358 states to 1290 states and 3303 transitions. [2018-12-09 11:21:57,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 3303 transitions. [2018-12-09 11:21:57,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 11:21:57,829 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:57,870 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 11:21:58,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:58,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3359 states to 1291 states and 3304 transitions. [2018-12-09 11:21:58,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 3304 transitions. [2018-12-09 11:21:58,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 11:21:58,282 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:58,306 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-09 11:21:58,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:21:58,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3360 states to 1293 states and 3305 transitions. [2018-12-09 11:21:58,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 3305 transitions. [2018-12-09 11:21:58,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 11:21:58,913 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:21:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:21:59,015 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 11:22:00,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:00,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3366 states to 1295 states and 3311 transitions. [2018-12-09 11:22:00,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 3311 transitions. [2018-12-09 11:22:01,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 11:22:01,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:01,100 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 11:22:01,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:01,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3367 states to 1296 states and 3312 transitions. [2018-12-09 11:22:01,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 3312 transitions. [2018-12-09 11:22:01,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 11:22:01,643 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:01,750 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 11:22:02,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:02,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3370 states to 1298 states and 3315 transitions. [2018-12-09 11:22:02,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 3315 transitions. [2018-12-09 11:22:02,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 11:22:02,133 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:02,232 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 11:22:03,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:03,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3372 states to 1299 states and 3317 transitions. [2018-12-09 11:22:03,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 3317 transitions. [2018-12-09 11:22:03,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 11:22:03,035 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:03,140 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 11:22:03,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:03,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3372 states to 1300 states and 3317 transitions. [2018-12-09 11:22:03,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 3317 transitions. [2018-12-09 11:22:03,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 11:22:03,160 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:03,182 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 11:22:03,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:03,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3376 states to 1302 states and 3321 transitions. [2018-12-09 11:22:03,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 3321 transitions. [2018-12-09 11:22:03,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 11:22:03,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:03,307 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 11:22:03,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:03,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3376 states to 1303 states and 3321 transitions. [2018-12-09 11:22:03,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 3321 transitions. [2018-12-09 11:22:03,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 11:22:03,327 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:03,426 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 11:22:03,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:03,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3376 states to 1304 states and 3321 transitions. [2018-12-09 11:22:03,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 3321 transitions. [2018-12-09 11:22:03,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 11:22:03,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:03,517 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 11:22:03,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:03,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3380 states to 1307 states and 3325 transitions. [2018-12-09 11:22:03,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 3325 transitions. [2018-12-09 11:22:03,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 11:22:03,710 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:03,897 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 11:22:03,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:03,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3380 states to 1308 states and 3325 transitions. [2018-12-09 11:22:03,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 3325 transitions. [2018-12-09 11:22:03,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 11:22:03,958 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:04,059 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 11:22:04,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:04,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3383 states to 1310 states and 3328 transitions. [2018-12-09 11:22:04,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 3328 transitions. [2018-12-09 11:22:04,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 11:22:04,148 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:04,248 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-09 11:22:04,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:04,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3377 states to 1308 states and 3322 transitions. [2018-12-09 11:22:04,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 3322 transitions. [2018-12-09 11:22:04,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 11:22:04,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:04,365 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 11:22:04,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:04,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 1310 states and 3326 transitions. [2018-12-09 11:22:04,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 3326 transitions. [2018-12-09 11:22:04,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 11:22:04,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:04,865 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 11:22:04,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:04,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 1311 states and 3326 transitions. [2018-12-09 11:22:04,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 3326 transitions. [2018-12-09 11:22:04,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 11:22:04,935 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:05,046 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 11:22:05,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:05,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 1312 states and 3326 transitions. [2018-12-09 11:22:05,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 3326 transitions. [2018-12-09 11:22:05,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 11:22:05,102 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:05,204 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 11:22:05,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:05,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3380 states to 1312 states and 3325 transitions. [2018-12-09 11:22:05,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 3325 transitions. [2018-12-09 11:22:05,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 11:22:05,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:05,325 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 11:22:05,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:05,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3383 states to 1314 states and 3328 transitions. [2018-12-09 11:22:05,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 3328 transitions. [2018-12-09 11:22:05,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 11:22:05,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:05,536 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 11:22:05,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:05,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3384 states to 1315 states and 3329 transitions. [2018-12-09 11:22:05,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 3329 transitions. [2018-12-09 11:22:05,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 11:22:05,623 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:05,664 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 11:22:05,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:05,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 1317 states and 3331 transitions. [2018-12-09 11:22:05,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 3331 transitions. [2018-12-09 11:22:05,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 11:22:05,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:05,888 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 11:22:05,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:05,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3385 states to 1317 states and 3330 transitions. [2018-12-09 11:22:05,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 3330 transitions. [2018-12-09 11:22:05,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 11:22:05,954 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:05,993 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 11:22:06,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:06,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3385 states to 1318 states and 3330 transitions. [2018-12-09 11:22:06,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 3330 transitions. [2018-12-09 11:22:06,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 11:22:06,056 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:06,155 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 11:22:06,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:06,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3385 states to 1319 states and 3330 transitions. [2018-12-09 11:22:06,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 3330 transitions. [2018-12-09 11:22:06,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 11:22:06,242 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:06,346 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 11:22:06,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:06,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3385 states to 1320 states and 3330 transitions. [2018-12-09 11:22:06,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 3330 transitions. [2018-12-09 11:22:06,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 11:22:06,415 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:06,515 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 11:22:06,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:06,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 1322 states and 3333 transitions. [2018-12-09 11:22:06,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 3333 transitions. [2018-12-09 11:22:06,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 11:22:06,607 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:06,707 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 11:22:06,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:06,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3385 states to 1321 states and 3330 transitions. [2018-12-09 11:22:06,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 3330 transitions. [2018-12-09 11:22:06,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 11:22:06,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:06,844 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 11:22:06,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:06,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3385 states to 1322 states and 3330 transitions. [2018-12-09 11:22:06,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 3330 transitions. [2018-12-09 11:22:06,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 11:22:06,913 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:07,016 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:22:07,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:07,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3384 states to 1322 states and 3329 transitions. [2018-12-09 11:22:07,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 3329 transitions. [2018-12-09 11:22:07,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 11:22:07,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:07,113 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 11:22:08,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:08,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3387 states to 1325 states and 3332 transitions. [2018-12-09 11:22:08,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 3332 transitions. [2018-12-09 11:22:08,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 11:22:08,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:08,428 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 11:22:08,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:08,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 1326 states and 3333 transitions. [2018-12-09 11:22:08,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 3333 transitions. [2018-12-09 11:22:08,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 11:22:08,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:08,547 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 11:22:09,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:09,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3391 states to 1329 states and 3336 transitions. [2018-12-09 11:22:09,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 3336 transitions. [2018-12-09 11:22:09,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 11:22:09,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:09,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:09,446 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 11:22:09,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:09,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3397 states to 1332 states and 3342 transitions. [2018-12-09 11:22:09,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 3342 transitions. [2018-12-09 11:22:09,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 11:22:09,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:09,710 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 11:22:09,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:09,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3400 states to 1334 states and 3345 transitions. [2018-12-09 11:22:09,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 3345 transitions. [2018-12-09 11:22:09,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 11:22:09,903 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:10,006 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 11:22:10,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:10,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3403 states to 1336 states and 3348 transitions. [2018-12-09 11:22:10,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 3348 transitions. [2018-12-09 11:22:10,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 11:22:10,126 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:10,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:10,229 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 11:22:10,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:10,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 1339 states and 3354 transitions. [2018-12-09 11:22:10,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 3354 transitions. [2018-12-09 11:22:10,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 11:22:10,836 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:10,946 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 11:22:11,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:11,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3411 states to 1341 states and 3356 transitions. [2018-12-09 11:22:11,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 3356 transitions. [2018-12-09 11:22:11,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 11:22:11,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:11,120 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 11:22:11,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:11,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3415 states to 1344 states and 3360 transitions. [2018-12-09 11:22:11,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 3360 transitions. [2018-12-09 11:22:11,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 11:22:11,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:11,372 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 11:22:13,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:13,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3418 states to 1347 states and 3363 transitions. [2018-12-09 11:22:13,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 3363 transitions. [2018-12-09 11:22:13,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 11:22:13,553 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:13,679 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 11:22:14,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:14,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3421 states to 1350 states and 3366 transitions. [2018-12-09 11:22:14,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 3366 transitions. [2018-12-09 11:22:14,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 11:22:14,666 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:14,781 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 11:22:16,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:16,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3424 states to 1353 states and 3369 transitions. [2018-12-09 11:22:16,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 3369 transitions. [2018-12-09 11:22:16,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 11:22:16,501 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:16,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:16,533 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 11:22:20,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:20,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3435 states to 1359 states and 3380 transitions. [2018-12-09 11:22:20,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 3380 transitions. [2018-12-09 11:22:20,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 11:22:20,765 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:20,814 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 11:22:22,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:22,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3444 states to 1365 states and 3389 transitions. [2018-12-09 11:22:22,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 3389 transitions. [2018-12-09 11:22:22,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 11:22:22,509 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:22,612 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 11:22:22,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:22,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3448 states to 1368 states and 3393 transitions. [2018-12-09 11:22:22,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 3393 transitions. [2018-12-09 11:22:22,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 11:22:22,789 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:22,890 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 11:22:25,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:25,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3457 states to 1374 states and 3402 transitions. [2018-12-09 11:22:25,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 3402 transitions. [2018-12-09 11:22:25,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 11:22:25,442 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:25,491 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 11:22:27,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:27,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3465 states to 1379 states and 3410 transitions. [2018-12-09 11:22:27,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 3410 transitions. [2018-12-09 11:22:27,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-09 11:22:27,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:27,231 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 11:22:27,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:27,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3468 states to 1381 states and 3413 transitions. [2018-12-09 11:22:27,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 3413 transitions. [2018-12-09 11:22:27,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 11:22:27,336 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:27,445 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 11:22:30,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:30,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3476 states to 1386 states and 3421 transitions. [2018-12-09 11:22:30,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 3421 transitions. [2018-12-09 11:22:30,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 11:22:30,521 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:30,640 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 11:22:30,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:30,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3479 states to 1388 states and 3424 transitions. [2018-12-09 11:22:30,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 3424 transitions. [2018-12-09 11:22:30,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-09 11:22:30,770 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:30,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:30,822 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 11:22:30,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:30,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3481 states to 1390 states and 3426 transitions. [2018-12-09 11:22:30,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 3426 transitions. [2018-12-09 11:22:30,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-09 11:22:30,937 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:31,049 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 11:22:31,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:31,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3483 states to 1392 states and 3428 transitions. [2018-12-09 11:22:31,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 3428 transitions. [2018-12-09 11:22:31,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-09 11:22:31,178 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:31,236 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 11:22:32,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:32,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3498 states to 1401 states and 3441 transitions. [2018-12-09 11:22:32,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 3441 transitions. [2018-12-09 11:22:32,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-09 11:22:32,976 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:22:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:22:33,104 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 11:22:35,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:22:35,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3513 states to 323 states and 594 transitions. [2018-12-09 11:22:35,014 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 594 transitions. [2018-12-09 11:22:35,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 11:22:35,015 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 520 iterations. [2018-12-09 11:22:35,023 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 11:22:35,296 WARN L180 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 51 [2018-12-09 11:22:35,611 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 40 [2018-12-09 11:22:35,917 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 24 [2018-12-09 11:22:36,289 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 26 [2018-12-09 11:22:36,592 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 30 [2018-12-09 11:22:36,693 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 39 [2018-12-09 11:22:36,825 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 24 [2018-12-09 11:22:36,957 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 24 [2018-12-09 11:22:37,117 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:22:37,119 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:22:37,119 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:22:37,119 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:22:37,119 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:22:37,119 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:22:37,119 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:22:37,119 INFO L583 CodeCheckObserver]: Invariant with dag size 24 [2018-12-09 11:22:37,123 INFO L583 CodeCheckObserver]: Invariant with dag size 24 [2018-12-09 11:22:37,123 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:22:37,123 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:22:37,123 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:22:37,124 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:22:37,124 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:22:37,124 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:22:37,124 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:22:37,124 INFO L583 CodeCheckObserver]: Invariant with dag size 39 [2018-12-09 11:22:37,125 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:22:37,125 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:22:37,125 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:22:37,126 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:22:37,126 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:22:37,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 11:22:37 ImpRootNode [2018-12-09 11:22:37,126 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 11:22:37,126 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:22:37,126 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:22:37,126 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:22:37,127 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:17:36" (3/4) ... [2018-12-09 11:22:37,129 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 11:22:37,133 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_mtx_of_isl_pmic [2018-12-09 11:22:37,133 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2018-12-09 11:22:37,133 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2018-12-09 11:22:37,133 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure regulator_unregister [2018-12-09 11:22:37,134 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2018-12-09 11:22:37,134 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure external_alloc [2018-12-09 11:22:37,134 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_mtx_of_isl_pmic [2018-12-09 11:22:37,134 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rdev_get_drvdata [2018-12-09 11:22:37,134 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure regulator_list_voltage_linear [2018-12-09 11:22:37,141 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 95 nodes and edges [2018-12-09 11:22:37,141 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2018-12-09 11:22:37,142 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 11:22:37,142 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 11:22:37,219 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1bf30619-fdc4-4e95-b276-9f3337e099f2/bin-2019/ukojak/witness.graphml [2018-12-09 11:22:37,219 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:22:37,219 INFO L168 Benchmark]: Toolchain (without parser) took 302799.56 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 951.7 MB in the beginning and 595.3 MB in the end (delta: 356.4 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-12-09 11:22:37,220 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:22:37,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 542.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -146.5 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:22:37,220 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.91 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-09 11:22:37,220 INFO L168 Benchmark]: Boogie Preprocessor took 34.14 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-09 11:22:37,220 INFO L168 Benchmark]: RCFGBuilder took 1026.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 904.9 MB in the end (delta: 179.1 MB). Peak memory consumption was 179.1 MB. Max. memory is 11.5 GB. [2018-12-09 11:22:37,221 INFO L168 Benchmark]: CodeCheck took 301054.19 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 904.9 MB in the beginning and 627.5 MB in the end (delta: 277.4 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-12-09 11:22:37,221 INFO L168 Benchmark]: Witness Printer took 92.90 ms. Allocated memory is still 2.6 GB. Free memory was 627.5 MB in the beginning and 595.3 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-12-09 11:22:37,222 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, 298.9s OverallTime, 520 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 42218196 SDtfs, -1374431556 SDslu, 1437413440 SDs, 0 SdLazy, -470404224 SolverSat, 54276844 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1826.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 332718 GetRequests, 328544 SyntacticMatches, 2148 SemanticMatches, 2026 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2833253 ImplicationChecksByTransitivity, 274.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.0s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 20.5s InterpolantComputationTime, 20958 NumberOfCodeBlocks, 20958 NumberOfCodeBlocksAsserted, 519 NumberOfCheckSat, 20439 ConstructedInterpolants, 0 QuantifiedInterpolants, 2129612 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 519 InterpolantComputations, 425 PerfectInterpolantSequences, 14929/15214 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_state_variable_2) || !(1 == ldv_state_variable_3)) || !(1 == ldv_mutex_mtx_of_isl_pmic)) || !(1 == ldv_mutex_cred_guard_mutex_of_signal_struct)) || !(1 == ldv_mutex_mutex_of_device)) || !(1 == ldv_mutex_lock)) || !(ldv_state_variable_0 == 0) - InvariantResult [Line: 2489]: Loop Invariant Derived loop invariant: (((((!(1 == ldv_mutex_cred_guard_mutex_of_signal_struct) || !(ldv_state_variable_0 == 0)) || !(1 == ldv_mutex_mtx_of_isl_pmic)) || !(1 == ldv_mutex_lock)) || !(1 == ldv_state_variable_3)) || !(1 == ldv_state_variable_2)) || !(1 == ldv_mutex_mutex_of_device) - 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_lock) || !(1 == ldv_mutex_cred_guard_mutex_of_signal_struct)) || !(1 == ldv_state_variable_2)) || !(1 == ldv_state_variable_1)) || !(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_mutex_mutex_of_device)) || !(ldv_state_variable_0 == 3)) || !(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 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 542.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -146.5 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.91 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.14 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1026.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 904.9 MB in the end (delta: 179.1 MB). Peak memory consumption was 179.1 MB. Max. memory is 11.5 GB. * CodeCheck took 301054.19 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 904.9 MB in the beginning and 627.5 MB in the end (delta: 277.4 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 92.90 ms. Allocated memory is still 2.6 GB. Free memory was 627.5 MB in the beginning and 595.3 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...