./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ed153390-2cb1-4e48-93c7-179a572510b6/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ed153390-2cb1-4e48-93c7-179a572510b6/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ed153390-2cb1-4e48-93c7-179a572510b6/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ed153390-2cb1-4e48-93c7-179a572510b6/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ed153390-2cb1-4e48-93c7-179a572510b6/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ed153390-2cb1-4e48-93c7-179a572510b6/bin/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 0.1.24-678e011 [2019-11-20 11:32:23,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 11:32:23,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 11:32:23,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 11:32:23,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 11:32:23,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 11:32:23,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 11:32:23,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 11:32:23,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 11:32:23,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 11:32:23,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 11:32:23,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 11:32:23,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 11:32:23,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 11:32:23,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 11:32:23,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 11:32:23,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 11:32:23,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 11:32:23,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 11:32:23,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 11:32:23,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 11:32:23,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 11:32:23,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 11:32:23,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 11:32:23,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 11:32:23,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 11:32:23,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 11:32:23,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 11:32:23,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 11:32:23,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 11:32:23,149 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 11:32:23,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 11:32:23,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 11:32:23,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 11:32:23,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 11:32:23,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 11:32:23,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 11:32:23,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 11:32:23,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 11:32:23,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 11:32:23,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 11:32:23,156 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ed153390-2cb1-4e48-93c7-179a572510b6/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2019-11-20 11:32:23,170 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 11:32:23,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 11:32:23,171 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 11:32:23,171 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 11:32:23,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 11:32:23,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 11:32:23,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 11:32:23,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 11:32:23,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 11:32:23,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 11:32:23,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 11:32:23,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 11:32:23,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 11:32:23,173 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 11:32:23,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 11:32:23,173 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 11:32:23,174 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 11:32:23,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 11:32:23,174 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 11:32:23,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 11:32:23,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 11:32:23,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 11:32:23,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 11:32:23,175 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 11:32:23,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 11:32:23,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 11:32:23,175 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 11:32:23,175 INFO L138 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/run_dir_ed153390-2cb1-4e48-93c7-179a572510b6/bin/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 [2019-11-20 11:32:23,342 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 11:32:23,355 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 11:32:23,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 11:32:23,359 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 11:32:23,360 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 11:32:23,360 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ed153390-2cb1-4e48-93c7-179a572510b6/bin/ukojak/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2019-11-20 11:32:23,418 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ed153390-2cb1-4e48-93c7-179a572510b6/bin/ukojak/data/f6560d594/fae005edeabf43bbb47c4fb41c15bdd4/FLAGfa393e854 [2019-11-20 11:32:24,011 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 11:32:24,012 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ed153390-2cb1-4e48-93c7-179a572510b6/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2019-11-20 11:32:24,038 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ed153390-2cb1-4e48-93c7-179a572510b6/bin/ukojak/data/f6560d594/fae005edeabf43bbb47c4fb41c15bdd4/FLAGfa393e854 [2019-11-20 11:32:24,223 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ed153390-2cb1-4e48-93c7-179a572510b6/bin/ukojak/data/f6560d594/fae005edeabf43bbb47c4fb41c15bdd4 [2019-11-20 11:32:24,226 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 11:32:24,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 11:32:24,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 11:32:24,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 11:32:24,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 11:32:24,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:24" (1/1) ... [2019-11-20 11:32:24,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@471d9725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:24, skipping insertion in model container [2019-11-20 11:32:24,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:24" (1/1) ... [2019-11-20 11:32:24,240 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 11:32:24,300 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 11:32:25,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:32:25,105 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 11:32:25,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:32:25,365 INFO L192 MainTranslator]: Completed translation [2019-11-20 11:32:25,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:25 WrapperNode [2019-11-20 11:32:25,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 11:32:25,366 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 11:32:25,366 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 11:32:25,367 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 11:32:25,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:25" (1/1) ... [2019-11-20 11:32:25,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:25" (1/1) ... [2019-11-20 11:32:25,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 11:32:25,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 11:32:25,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 11:32:25,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 11:32:25,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:25" (1/1) ... [2019-11-20 11:32:25,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:25" (1/1) ... [2019-11-20 11:32:25,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:25" (1/1) ... [2019-11-20 11:32:25,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:25" (1/1) ... [2019-11-20 11:32:25,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:25" (1/1) ... [2019-11-20 11:32:25,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:25" (1/1) ... [2019-11-20 11:32:25,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:25" (1/1) ... [2019-11-20 11:32:25,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 11:32:25,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 11:32:25,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 11:32:25,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 11:32:25,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ed153390-2cb1-4e48-93c7-179a572510b6/bin/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 [2019-11-20 11:32:25,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 11:32:25,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 11:32:25,694 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_list_voltage_linear [2019-11-20 11:32:25,694 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_list_voltage_linear [2019-11-20 11:32:25,694 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-20 11:32:25,695 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-20 11:32:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 11:32:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_get_drvdata [2019-11-20 11:32:25,695 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_get_drvdata [2019-11-20 11:32:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 11:32:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx_of_isl_pmic [2019-11-20 11:32:25,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx_of_isl_pmic [2019-11-20 11:32:25,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 11:32:25,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 11:32:25,697 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-20 11:32:25,697 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-20 11:32:25,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-20 11:32:25,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-20 11:32:25,698 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_unregister [2019-11-20 11:32:25,699 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_unregister [2019-11-20 11:32:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 11:32:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2019-11-20 11:32:25,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2019-11-20 11:32:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-11-20 11:32:25,700 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-11-20 11:32:25,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 11:32:25,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 11:32:27,562 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 11:32:27,563 INFO L285 CfgBuilder]: Removed 64 assume(true) statements. [2019-11-20 11:32:27,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:32:27 BoogieIcfgContainer [2019-11-20 11:32:27,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 11:32:27,565 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 11:32:27,565 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 11:32:27,579 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 11:32:27,579 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:32:27" (1/1) ... [2019-11-20 11:32:27,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:32:27,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:27,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 103 states and 155 transitions. [2019-11-20 11:32:27,682 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 155 transitions. [2019-11-20 11:32:27,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 11:32:27,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:28,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:32:28,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:28,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 108 states and 180 transitions. [2019-11-20 11:32:28,117 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 180 transitions. [2019-11-20 11:32:28,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 11:32:28,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:28,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:32:28,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:28,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 117 states and 221 transitions. [2019-11-20 11:32:28,414 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 221 transitions. [2019-11-20 11:32:28,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 11:32:28,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:28,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:32:28,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:28,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 127 states and 263 transitions. [2019-11-20 11:32:28,743 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 263 transitions. [2019-11-20 11:32:28,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 11:32:28,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:28,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:32:28,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:28,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 128 states and 264 transitions. [2019-11-20 11:32:28,844 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 264 transitions. [2019-11-20 11:32:28,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 11:32:28,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:28,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:32:29,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:29,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 139 states and 307 transitions. [2019-11-20 11:32:29,359 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 307 transitions. [2019-11-20 11:32:29,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 11:32:29,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:29,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:32:30,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:30,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 151 states and 351 transitions. [2019-11-20 11:32:30,094 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 351 transitions. [2019-11-20 11:32:30,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 11:32:30,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:30,149 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:32:30,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:30,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 153 states and 354 transitions. [2019-11-20 11:32:30,166 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 354 transitions. [2019-11-20 11:32:30,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 11:32:30,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:30,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:32:30,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:30,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 154 states and 355 transitions. [2019-11-20 11:32:30,297 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 355 transitions. [2019-11-20 11:32:30,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 11:32:30,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:30,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:32:30,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:30,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 157 states and 385 transitions. [2019-11-20 11:32:30,825 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 385 transitions. [2019-11-20 11:32:30,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 11:32:30,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:30,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:32:31,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:31,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 158 states and 385 transitions. [2019-11-20 11:32:31,058 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 385 transitions. [2019-11-20 11:32:31,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 11:32:31,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:31,097 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 11:32:31,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:31,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 159 states and 386 transitions. [2019-11-20 11:32:31,198 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 386 transitions. [2019-11-20 11:32:31,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 11:32:31,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:31,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:32:31,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:31,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 160 states and 387 transitions. [2019-11-20 11:32:31,252 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 387 transitions. [2019-11-20 11:32:31,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 11:32:31,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:31,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:32:31,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:31,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 161 states and 387 transitions. [2019-11-20 11:32:31,496 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 387 transitions. [2019-11-20 11:32:31,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 11:32:31,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:31,572 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:32:32,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:32,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 168 states and 420 transitions. [2019-11-20 11:32:32,097 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 420 transitions. [2019-11-20 11:32:32,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 11:32:32,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:32,155 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:32:32,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:32,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 170 states and 423 transitions. [2019-11-20 11:32:32,174 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 423 transitions. [2019-11-20 11:32:32,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 11:32:32,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:32,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:32:33,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:33,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 176 states and 462 transitions. [2019-11-20 11:32:33,026 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 462 transitions. [2019-11-20 11:32:33,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 11:32:33,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:33,112 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:32:33,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:33,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 181 states and 493 transitions. [2019-11-20 11:32:33,985 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 493 transitions. [2019-11-20 11:32:33,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 11:32:33,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:34,051 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:32:34,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:34,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 182 states and 493 transitions. [2019-11-20 11:32:34,300 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 493 transitions. [2019-11-20 11:32:34,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 11:32:34,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:34,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:32:34,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:34,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 183 states and 493 transitions. [2019-11-20 11:32:34,600 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 493 transitions. [2019-11-20 11:32:34,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 11:32:34,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:34,643 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 11:32:34,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:34,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 189 states and 521 transitions. [2019-11-20 11:32:34,904 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 521 transitions. [2019-11-20 11:32:34,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 11:32:34,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:34,961 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 11:32:34,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:34,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 190 states and 521 transitions. [2019-11-20 11:32:34,980 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 521 transitions. [2019-11-20 11:32:34,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 11:32:34,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:35,055 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:32:35,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:35,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 192 states and 525 transitions. [2019-11-20 11:32:35,516 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 525 transitions. [2019-11-20 11:32:35,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 11:32:35,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:35,556 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:32:35,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:35,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 193 states and 525 transitions. [2019-11-20 11:32:35,671 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 525 transitions. [2019-11-20 11:32:35,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 11:32:35,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:35,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:32:35,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:35,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 194 states and 526 transitions. [2019-11-20 11:32:35,943 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 526 transitions. [2019-11-20 11:32:35,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 11:32:35,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:35,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:32:36,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:36,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 195 states and 526 transitions. [2019-11-20 11:32:36,104 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 526 transitions. [2019-11-20 11:32:36,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 11:32:36,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:36,151 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 11:32:36,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:36,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 201 states and 554 transitions. [2019-11-20 11:32:36,369 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 554 transitions. [2019-11-20 11:32:36,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 11:32:36,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:36,411 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 11:32:36,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:36,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 202 states and 554 transitions. [2019-11-20 11:32:36,427 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 554 transitions. [2019-11-20 11:32:36,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 11:32:36,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:36,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:36,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:32:36,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:36,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 204 states and 558 transitions. [2019-11-20 11:32:36,906 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 558 transitions. [2019-11-20 11:32:36,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 11:32:36,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:36,941 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:32:36,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:36,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 205 states and 558 transitions. [2019-11-20 11:32:36,968 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 558 transitions. [2019-11-20 11:32:36,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 11:32:36,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:36,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:37,015 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:32:37,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:37,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 206 states and 559 transitions. [2019-11-20 11:32:37,254 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 559 transitions. [2019-11-20 11:32:37,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 11:32:37,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:37,367 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 11:32:37,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:37,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 212 states and 587 transitions. [2019-11-20 11:32:37,569 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 587 transitions. [2019-11-20 11:32:37,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 11:32:37,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:37,620 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 11:32:37,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:37,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 213 states and 587 transitions. [2019-11-20 11:32:37,636 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 587 transitions. [2019-11-20 11:32:37,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 11:32:37,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:37,673 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:32:38,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:38,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 216 states and 596 transitions. [2019-11-20 11:32:38,227 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 596 transitions. [2019-11-20 11:32:38,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 11:32:38,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:38,269 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:32:38,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:38,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 218 states and 600 transitions. [2019-11-20 11:32:38,746 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 600 transitions. [2019-11-20 11:32:38,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 11:32:38,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:38,778 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:32:38,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:38,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 219 states and 600 transitions. [2019-11-20 11:32:38,802 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 600 transitions. [2019-11-20 11:32:38,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 11:32:38,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:38,831 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:32:39,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:39,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 220 states and 602 transitions. [2019-11-20 11:32:39,083 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 602 transitions. [2019-11-20 11:32:39,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 11:32:39,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:39,114 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:32:39,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:39,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 221 states and 603 transitions. [2019-11-20 11:32:39,375 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 603 transitions. [2019-11-20 11:32:39,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 11:32:39,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:39,402 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:32:39,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:39,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 222 states and 605 transitions. [2019-11-20 11:32:39,523 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 605 transitions. [2019-11-20 11:32:39,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 11:32:39,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:39,550 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:32:40,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:40,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 226 states and 634 transitions. [2019-11-20 11:32:40,142 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 634 transitions. [2019-11-20 11:32:40,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 11:32:40,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:40,169 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:32:40,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:40,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 229 states and 655 transitions. [2019-11-20 11:32:40,611 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 655 transitions. [2019-11-20 11:32:40,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 11:32:40,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:40,642 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 11:32:40,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:40,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 235 states and 683 transitions. [2019-11-20 11:32:40,769 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 683 transitions. [2019-11-20 11:32:40,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 11:32:40,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:40,948 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:32:41,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:41,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 238 states and 705 transitions. [2019-11-20 11:32:41,879 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 705 transitions. [2019-11-20 11:32:41,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 11:32:41,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:41,909 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:32:42,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:42,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 241 states and 711 transitions. [2019-11-20 11:32:42,054 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 711 transitions. [2019-11-20 11:32:42,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 11:32:42,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:42,085 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:32:42,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:42,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 242 states and 714 transitions. [2019-11-20 11:32:42,212 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 714 transitions. [2019-11-20 11:32:42,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 11:32:42,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:42,247 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 11:32:42,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:42,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 243 states and 714 transitions. [2019-11-20 11:32:42,275 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 714 transitions. [2019-11-20 11:32:42,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 11:32:42,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:42,306 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:32:42,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:42,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 244 states and 715 transitions. [2019-11-20 11:32:42,331 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 715 transitions. [2019-11-20 11:32:42,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 11:32:42,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:42,402 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:32:42,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:42,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 245 states and 715 transitions. [2019-11-20 11:32:42,429 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 715 transitions. [2019-11-20 11:32:42,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 11:32:42,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:42,456 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 11:32:42,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:42,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 246 states and 716 transitions. [2019-11-20 11:32:42,465 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 716 transitions. [2019-11-20 11:32:42,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 11:32:42,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:42,493 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 11:32:42,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:42,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 247 states and 716 transitions. [2019-11-20 11:32:42,630 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 716 transitions. [2019-11-20 11:32:42,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 11:32:42,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:42,761 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 11:32:42,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:42,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 248 states and 716 transitions. [2019-11-20 11:32:42,878 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 716 transitions. [2019-11-20 11:32:42,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 11:32:42,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:42,911 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:32:42,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:42,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 250 states and 719 transitions. [2019-11-20 11:32:42,920 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 719 transitions. [2019-11-20 11:32:42,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 11:32:42,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:42,954 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 11:32:43,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:43,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 253 states and 724 transitions. [2019-11-20 11:32:43,178 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 724 transitions. [2019-11-20 11:32:43,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 11:32:43,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:43,306 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:32:44,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:44,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 258 states and 754 transitions. [2019-11-20 11:32:44,787 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 754 transitions. [2019-11-20 11:32:44,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 11:32:44,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:45,082 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:32:46,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:46,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 263 states and 793 transitions. [2019-11-20 11:32:46,259 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 793 transitions. [2019-11-20 11:32:46,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 11:32:46,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:46,296 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 11:32:46,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:46,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 264 states and 793 transitions. [2019-11-20 11:32:46,485 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 793 transitions. [2019-11-20 11:32:46,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 11:32:46,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:46,514 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:32:47,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:47,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 267 states and 819 transitions. [2019-11-20 11:32:47,016 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 819 transitions. [2019-11-20 11:32:47,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 11:32:47,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:47,043 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:32:47,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:47,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 270 states and 825 transitions. [2019-11-20 11:32:47,314 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 825 transitions. [2019-11-20 11:32:47,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 11:32:47,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:47,341 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:32:47,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:47,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 273 states and 829 transitions. [2019-11-20 11:32:47,537 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 829 transitions. [2019-11-20 11:32:47,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 11:32:47,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:47,564 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:32:47,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:47,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 274 states and 831 transitions. [2019-11-20 11:32:47,730 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 831 transitions. [2019-11-20 11:32:47,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 11:32:47,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:47,760 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:32:47,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:47,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 275 states and 832 transitions. [2019-11-20 11:32:47,779 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 832 transitions. [2019-11-20 11:32:47,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 11:32:47,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:47,804 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 11:32:47,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:47,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 276 states and 832 transitions. [2019-11-20 11:32:47,819 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 832 transitions. [2019-11-20 11:32:47,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 11:32:47,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:47,848 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 11:32:48,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:48,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 279 states and 838 transitions. [2019-11-20 11:32:48,362 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 838 transitions. [2019-11-20 11:32:48,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 11:32:48,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:48,501 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:32:50,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:50,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 285 states and 877 transitions. [2019-11-20 11:32:50,073 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 877 transitions. [2019-11-20 11:32:50,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 11:32:50,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:50,102 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 11:32:50,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:50,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 286 states and 878 transitions. [2019-11-20 11:32:50,133 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 878 transitions. [2019-11-20 11:32:50,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 11:32:50,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:50,161 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:32:50,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:50,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 288 states and 882 transitions. [2019-11-20 11:32:50,826 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 882 transitions. [2019-11-20 11:32:50,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 11:32:50,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:50,858 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 11:32:51,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:51,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 289 states and 882 transitions. [2019-11-20 11:32:51,185 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 882 transitions. [2019-11-20 11:32:51,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 11:32:51,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:51,210 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 11:32:51,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:51,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 291 states and 885 transitions. [2019-11-20 11:32:51,344 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 885 transitions. [2019-11-20 11:32:51,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 11:32:51,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:51,369 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 11:32:51,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:51,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 292 states and 885 transitions. [2019-11-20 11:32:51,442 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 885 transitions. [2019-11-20 11:32:51,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 11:32:51,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:51,734 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:32:53,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:53,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 299 states and 928 transitions. [2019-11-20 11:32:53,682 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 928 transitions. [2019-11-20 11:32:53,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 11:32:53,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:53,715 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:32:54,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:54,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 301 states and 932 transitions. [2019-11-20 11:32:54,235 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 932 transitions. [2019-11-20 11:32:54,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 11:32:54,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:54,263 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:32:55,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:55,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 304 states and 938 transitions. [2019-11-20 11:32:55,010 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 938 transitions. [2019-11-20 11:32:55,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 11:32:55,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:55,046 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:32:55,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:55,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 306 states and 941 transitions. [2019-11-20 11:32:55,236 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 941 transitions. [2019-11-20 11:32:55,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 11:32:55,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:55,265 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:32:55,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:55,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 307 states and 941 transitions. [2019-11-20 11:32:55,443 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 941 transitions. [2019-11-20 11:32:55,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 11:32:55,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:55,469 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:32:56,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:56,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 312 states and 968 transitions. [2019-11-20 11:32:56,658 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 968 transitions. [2019-11-20 11:32:56,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 11:32:56,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:56,684 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:32:57,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:57,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 314 states and 977 transitions. [2019-11-20 11:32:57,338 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 977 transitions. [2019-11-20 11:32:57,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 11:32:57,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:57,366 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:32:57,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:57,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 315 states and 977 transitions. [2019-11-20 11:32:57,629 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 977 transitions. [2019-11-20 11:32:57,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 11:32:57,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:57,655 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:32:57,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:57,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 316 states and 981 transitions. [2019-11-20 11:32:57,960 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 981 transitions. [2019-11-20 11:32:57,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 11:32:57,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:57,980 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 11:32:58,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:58,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 319 states and 987 transitions. [2019-11-20 11:32:58,549 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 987 transitions. [2019-11-20 11:32:58,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 11:32:58,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:58,575 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 11:32:58,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:58,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 320 states and 988 transitions. [2019-11-20 11:32:58,614 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 988 transitions. [2019-11-20 11:32:58,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 11:32:58,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:58,704 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 11:32:59,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:59,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 323 states and 994 transitions. [2019-11-20 11:32:59,159 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 994 transitions. [2019-11-20 11:32:59,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 11:32:59,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:59,191 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 11:32:59,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:32:59,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 324 states and 994 transitions. [2019-11-20 11:32:59,537 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 994 transitions. [2019-11-20 11:32:59,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 11:32:59,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:32:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:32:59,745 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:01,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:01,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 329 states and 1024 transitions. [2019-11-20 11:33:01,347 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 1024 transitions. [2019-11-20 11:33:01,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 11:33:01,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:01,373 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 11:33:01,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:01,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 330 states and 1024 transitions. [2019-11-20 11:33:01,446 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 1024 transitions. [2019-11-20 11:33:01,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 11:33:01,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:01,475 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:33:01,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:01,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 332 states and 1029 transitions. [2019-11-20 11:33:01,971 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 1029 transitions. [2019-11-20 11:33:01,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 11:33:01,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:02,295 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:33:03,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:03,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 334 states and 1032 transitions. [2019-11-20 11:33:03,459 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 1032 transitions. [2019-11-20 11:33:03,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 11:33:03,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:03,487 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:04,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:04,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 337 states and 1039 transitions. [2019-11-20 11:33:04,126 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 1039 transitions. [2019-11-20 11:33:04,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 11:33:04,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:04,446 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:33:07,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:07,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 345 states and 1091 transitions. [2019-11-20 11:33:07,114 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 1091 transitions. [2019-11-20 11:33:07,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 11:33:07,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:07,144 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:33:07,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:07,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 347 states and 1094 transitions. [2019-11-20 11:33:07,931 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 1094 transitions. [2019-11-20 11:33:07,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 11:33:07,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:07,951 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:33:08,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:08,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 350 states and 1101 transitions. [2019-11-20 11:33:08,665 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 1101 transitions. [2019-11-20 11:33:08,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 11:33:08,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:08,691 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 11:33:09,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:09,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 353 states and 1107 transitions. [2019-11-20 11:33:09,504 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 1107 transitions. [2019-11-20 11:33:09,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 11:33:09,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:09,523 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:09,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:09,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 354 states and 1109 transitions. [2019-11-20 11:33:09,879 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 1109 transitions. [2019-11-20 11:33:09,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 11:33:09,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:09,902 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 11:33:09,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:09,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 355 states and 1110 transitions. [2019-11-20 11:33:09,947 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 1110 transitions. [2019-11-20 11:33:09,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 11:33:09,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:09,981 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 11:33:10,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:10,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 358 states and 1116 transitions. [2019-11-20 11:33:10,203 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 1116 transitions. [2019-11-20 11:33:10,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 11:33:10,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:10,227 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 11:33:10,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:10,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 359 states and 1116 transitions. [2019-11-20 11:33:10,264 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 1116 transitions. [2019-11-20 11:33:10,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 11:33:10,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:10,290 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:10,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:10,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 362 states and 1123 transitions. [2019-11-20 11:33:10,315 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 1123 transitions. [2019-11-20 11:33:10,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 11:33:10,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:10,342 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:10,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:10,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 363 states and 1124 transitions. [2019-11-20 11:33:10,368 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 1124 transitions. [2019-11-20 11:33:10,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 11:33:10,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:10,398 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:33:11,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:11,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 365 states and 1127 transitions. [2019-11-20 11:33:11,101 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 1127 transitions. [2019-11-20 11:33:11,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 11:33:11,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:11,130 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:33:11,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:11,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 368 states and 1134 transitions. [2019-11-20 11:33:11,836 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 1134 transitions. [2019-11-20 11:33:11,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 11:33:11,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:11,865 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:33:11,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:11,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 370 states and 1137 transitions. [2019-11-20 11:33:11,876 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 1137 transitions. [2019-11-20 11:33:11,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 11:33:11,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:11,903 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:33:12,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:12,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 373 states and 1152 transitions. [2019-11-20 11:33:12,524 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 1152 transitions. [2019-11-20 11:33:12,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 11:33:12,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:12,552 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 11:33:12,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:12,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 374 states and 1153 transitions. [2019-11-20 11:33:12,585 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 1153 transitions. [2019-11-20 11:33:12,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 11:33:12,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:12,609 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:12,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:12,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 375 states and 1153 transitions. [2019-11-20 11:33:12,645 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 1153 transitions. [2019-11-20 11:33:12,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 11:33:12,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:12,693 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 11:33:12,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:12,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 378 states and 1159 transitions. [2019-11-20 11:33:12,830 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 1159 transitions. [2019-11-20 11:33:12,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 11:33:12,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:12,857 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:13,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:13,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 379 states and 1160 transitions. [2019-11-20 11:33:13,333 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 1160 transitions. [2019-11-20 11:33:13,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 11:33:13,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:13,359 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 11:33:13,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:13,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 380 states and 1161 transitions. [2019-11-20 11:33:13,730 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 1161 transitions. [2019-11-20 11:33:13,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 11:33:13,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:13,761 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:14,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:14,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 383 states and 1167 transitions. [2019-11-20 11:33:14,589 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 1167 transitions. [2019-11-20 11:33:14,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 11:33:14,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:14,612 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:33:15,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:15,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 385 states and 1170 transitions. [2019-11-20 11:33:15,351 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 1170 transitions. [2019-11-20 11:33:15,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 11:33:15,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:15,380 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:16,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:16,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 387 states and 1173 transitions. [2019-11-20 11:33:16,049 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 1173 transitions. [2019-11-20 11:33:16,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 11:33:16,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:16,085 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:33:16,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:16,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 390 states and 1176 transitions. [2019-11-20 11:33:16,142 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 1176 transitions. [2019-11-20 11:33:16,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 11:33:16,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:16,180 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:17,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:17,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 393 states and 1185 transitions. [2019-11-20 11:33:17,240 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 1185 transitions. [2019-11-20 11:33:17,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 11:33:17,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:17,273 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:33:18,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:18,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 396 states and 1191 transitions. [2019-11-20 11:33:18,251 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 1191 transitions. [2019-11-20 11:33:18,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 11:33:18,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:18,276 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:33:18,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:18,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 398 states and 1195 transitions. [2019-11-20 11:33:18,285 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 1195 transitions. [2019-11-20 11:33:18,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 11:33:18,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:18,317 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:33:18,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:18,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 400 states and 1209 transitions. [2019-11-20 11:33:18,672 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 1209 transitions. [2019-11-20 11:33:18,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 11:33:18,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:18,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:33:19,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:19,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 407 states and 1220 transitions. [2019-11-20 11:33:19,261 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 1220 transitions. [2019-11-20 11:33:19,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 11:33:19,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:19,305 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:33:19,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:19,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 412 states and 1227 transitions. [2019-11-20 11:33:19,335 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 1227 transitions. [2019-11-20 11:33:19,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 11:33:19,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:19,370 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 11:33:19,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:19,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 413 states and 1229 transitions. [2019-11-20 11:33:19,754 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 1229 transitions. [2019-11-20 11:33:19,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 11:33:19,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:19,789 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:20,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:20,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 416 states and 1235 transitions. [2019-11-20 11:33:20,475 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 1235 transitions. [2019-11-20 11:33:20,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 11:33:20,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:20,502 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:33:20,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:20,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 417 states and 1236 transitions. [2019-11-20 11:33:20,639 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 1236 transitions. [2019-11-20 11:33:20,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 11:33:20,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:20,688 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 11:33:21,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:21,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 418 states and 1236 transitions. [2019-11-20 11:33:21,143 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 1236 transitions. [2019-11-20 11:33:21,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 11:33:21,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:21,184 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 11:33:21,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:21,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 421 states and 1242 transitions. [2019-11-20 11:33:21,419 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 1242 transitions. [2019-11-20 11:33:21,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 11:33:21,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:21,457 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:33:21,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:21,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 424 states and 1246 transitions. [2019-11-20 11:33:21,481 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 1246 transitions. [2019-11-20 11:33:21,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 11:33:21,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:21,526 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:21,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:21,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 427 states and 1253 transitions. [2019-11-20 11:33:21,548 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1253 transitions. [2019-11-20 11:33:21,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 11:33:21,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:21,584 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:21,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:21,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 428 states and 1256 transitions. [2019-11-20 11:33:21,873 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 1256 transitions. [2019-11-20 11:33:21,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 11:33:21,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:21,901 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:33:21,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:21,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 429 states and 1257 transitions. [2019-11-20 11:33:21,920 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 1257 transitions. [2019-11-20 11:33:21,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 11:33:21,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:21,951 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:33:22,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:22,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 432 states and 1260 transitions. [2019-11-20 11:33:22,196 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 1260 transitions. [2019-11-20 11:33:22,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 11:33:22,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:22,224 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:33:22,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:22,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 435 states and 1263 transitions. [2019-11-20 11:33:22,254 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 1263 transitions. [2019-11-20 11:33:22,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 11:33:22,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:22,284 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 11:33:23,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:23,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 437 states and 1267 transitions. [2019-11-20 11:33:23,126 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 1267 transitions. [2019-11-20 11:33:23,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 11:33:23,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:23,151 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:23,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:23,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 440 states and 1274 transitions. [2019-11-20 11:33:23,532 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 1274 transitions. [2019-11-20 11:33:23,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 11:33:23,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:23,559 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:23,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:23,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 441 states and 1275 transitions. [2019-11-20 11:33:23,596 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 1275 transitions. [2019-11-20 11:33:23,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 11:33:23,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:23,627 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 11:33:24,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:24,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 442 states and 1275 transitions. [2019-11-20 11:33:24,007 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 1275 transitions. [2019-11-20 11:33:24,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 11:33:24,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:24,033 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 11:33:24,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:24,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 445 states and 1279 transitions. [2019-11-20 11:33:24,046 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 1279 transitions. [2019-11-20 11:33:24,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 11:33:24,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:24,069 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:33:24,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:24,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 446 states and 1282 transitions. [2019-11-20 11:33:24,524 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 1282 transitions. [2019-11-20 11:33:24,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 11:33:24,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:24,550 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:24,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:24,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 447 states and 1283 transitions. [2019-11-20 11:33:24,994 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 1283 transitions. [2019-11-20 11:33:24,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 11:33:24,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:25,018 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:33:25,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:25,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 450 states and 1287 transitions. [2019-11-20 11:33:25,053 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 1287 transitions. [2019-11-20 11:33:25,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 11:33:25,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:25,152 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:33:25,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:25,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 451 states and 1288 transitions. [2019-11-20 11:33:25,190 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 1288 transitions. [2019-11-20 11:33:25,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 11:33:25,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:25,216 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 11:33:25,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:25,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 452 states and 1289 transitions. [2019-11-20 11:33:25,518 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 1289 transitions. [2019-11-20 11:33:25,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 11:33:25,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:25,562 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:33:25,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:25,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 455 states and 1292 transitions. [2019-11-20 11:33:25,588 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 1292 transitions. [2019-11-20 11:33:25,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 11:33:25,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:25,616 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:26,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:26,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 457 states and 1297 transitions. [2019-11-20 11:33:26,639 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 1297 transitions. [2019-11-20 11:33:26,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 11:33:26,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:26,678 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 11:33:27,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:27,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 459 states and 1301 transitions. [2019-11-20 11:33:27,484 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 1301 transitions. [2019-11-20 11:33:27,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 11:33:27,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:27,512 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:33:27,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:27,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 462 states and 1304 transitions. [2019-11-20 11:33:27,552 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 1304 transitions. [2019-11-20 11:33:27,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 11:33:27,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:27,576 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:28,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:28,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 465 states and 1311 transitions. [2019-11-20 11:33:28,401 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 1311 transitions. [2019-11-20 11:33:28,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 11:33:28,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:28,430 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:33:29,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:29,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 467 states and 1315 transitions. [2019-11-20 11:33:29,034 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 1315 transitions. [2019-11-20 11:33:29,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 11:33:29,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:29,059 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:29,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:29,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 470 states and 1320 transitions. [2019-11-20 11:33:29,556 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 1320 transitions. [2019-11-20 11:33:29,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 11:33:29,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:29,577 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:29,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:29,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 471 states and 1322 transitions. [2019-11-20 11:33:29,596 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 1322 transitions. [2019-11-20 11:33:29,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 11:33:29,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:29,629 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:30,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:30,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 476 states and 1353 transitions. [2019-11-20 11:33:30,601 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 1353 transitions. [2019-11-20 11:33:30,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 11:33:30,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:30,638 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 11:33:31,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:31,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 477 states and 1353 transitions. [2019-11-20 11:33:31,152 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 1353 transitions. [2019-11-20 11:33:31,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 11:33:31,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:31,179 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 11:33:31,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:31,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 478 states and 1353 transitions. [2019-11-20 11:33:31,370 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 1353 transitions. [2019-11-20 11:33:31,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 11:33:31,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:31,407 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 11:33:31,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:31,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 481 states and 1357 transitions. [2019-11-20 11:33:31,425 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 1357 transitions. [2019-11-20 11:33:31,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 11:33:31,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:31,641 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:31,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:31,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 482 states and 1359 transitions. [2019-11-20 11:33:31,841 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 1359 transitions. [2019-11-20 11:33:31,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 11:33:31,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:31,862 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:33:32,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:32,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 483 states and 1362 transitions. [2019-11-20 11:33:32,293 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 1362 transitions. [2019-11-20 11:33:32,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 11:33:32,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:32,319 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:33:32,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:32,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 486 states and 1366 transitions. [2019-11-20 11:33:32,347 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 1366 transitions. [2019-11-20 11:33:32,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 11:33:32,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:32,374 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:33:32,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:32,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 487 states and 1367 transitions. [2019-11-20 11:33:32,394 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 1367 transitions. [2019-11-20 11:33:32,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 11:33:32,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:32,424 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:33:32,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:32,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 490 states and 1370 transitions. [2019-11-20 11:33:32,460 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 1370 transitions. [2019-11-20 11:33:32,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 11:33:32,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:32,490 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:33:32,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:32,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 493 states and 1374 transitions. [2019-11-20 11:33:32,533 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 1374 transitions. [2019-11-20 11:33:32,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 11:33:32,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:32,567 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 11:33:33,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:33,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 496 states and 1380 transitions. [2019-11-20 11:33:33,021 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 1380 transitions. [2019-11-20 11:33:33,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 11:33:33,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:33,046 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 11:33:34,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:34,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 501 states and 1404 transitions. [2019-11-20 11:33:34,147 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 1404 transitions. [2019-11-20 11:33:34,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 11:33:34,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:34,171 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:34,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:34,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 504 states and 1408 transitions. [2019-11-20 11:33:34,479 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 1408 transitions. [2019-11-20 11:33:34,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 11:33:34,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:34,498 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:34,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:34,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 505 states and 1408 transitions. [2019-11-20 11:33:34,510 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 1408 transitions. [2019-11-20 11:33:34,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 11:33:34,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:34,533 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:35,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:35,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 508 states and 1420 transitions. [2019-11-20 11:33:35,073 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 1420 transitions. [2019-11-20 11:33:35,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 11:33:35,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:35,106 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:35,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:35,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 510 states and 1440 transitions. [2019-11-20 11:33:35,638 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 1440 transitions. [2019-11-20 11:33:35,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 11:33:35,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:35,681 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 11:33:36,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:36,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 512 states and 1443 transitions. [2019-11-20 11:33:36,546 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 1443 transitions. [2019-11-20 11:33:36,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 11:33:36,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:36,569 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:37,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:37,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 514 states and 1464 transitions. [2019-11-20 11:33:37,057 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 1464 transitions. [2019-11-20 11:33:37,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 11:33:37,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:37,079 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 11:33:37,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:37,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 515 states and 1464 transitions. [2019-11-20 11:33:37,265 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 1464 transitions. [2019-11-20 11:33:37,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 11:33:37,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:37,288 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 11:33:37,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:37,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 516 states and 1464 transitions. [2019-11-20 11:33:37,310 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 1464 transitions. [2019-11-20 11:33:37,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 11:33:37,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:37,334 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 11:33:37,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:37,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 517 states and 1464 transitions. [2019-11-20 11:33:37,894 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 1464 transitions. [2019-11-20 11:33:37,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 11:33:37,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:37,927 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 11:33:37,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:37,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 520 states and 1468 transitions. [2019-11-20 11:33:37,954 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 1468 transitions. [2019-11-20 11:33:37,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 11:33:37,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:37,982 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:33:38,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:38,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 521 states and 1469 transitions. [2019-11-20 11:33:38,680 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 1469 transitions. [2019-11-20 11:33:38,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 11:33:38,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:38,706 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:33:38,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:38,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 524 states and 1473 transitions. [2019-11-20 11:33:38,724 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 1473 transitions. [2019-11-20 11:33:38,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 11:33:38,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:38,753 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:33:38,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:38,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 525 states and 1474 transitions. [2019-11-20 11:33:38,769 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 1474 transitions. [2019-11-20 11:33:38,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 11:33:38,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:38,789 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:33:38,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:38,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 528 states and 1477 transitions. [2019-11-20 11:33:38,814 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 1477 transitions. [2019-11-20 11:33:38,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 11:33:38,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:38,837 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 11:33:39,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:39,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 530 states and 1480 transitions. [2019-11-20 11:33:39,296 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 1480 transitions. [2019-11-20 11:33:39,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 11:33:39,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:39,318 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 11:33:39,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:39,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 531 states and 1481 transitions. [2019-11-20 11:33:39,337 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 1481 transitions. [2019-11-20 11:33:39,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 11:33:39,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:39,358 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:39,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:39,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 532 states and 1481 transitions. [2019-11-20 11:33:39,395 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 1481 transitions. [2019-11-20 11:33:39,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 11:33:39,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:39,422 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:39,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:39,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 535 states and 1492 transitions. [2019-11-20 11:33:39,980 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 1492 transitions. [2019-11-20 11:33:39,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 11:33:39,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:40,008 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:40,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:40,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 537 states and 1506 transitions. [2019-11-20 11:33:40,450 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1506 transitions. [2019-11-20 11:33:40,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 11:33:40,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:40,473 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:40,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:40,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 539 states and 1526 transitions. [2019-11-20 11:33:40,973 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 1526 transitions. [2019-11-20 11:33:40,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 11:33:40,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:41,004 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:41,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:41,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 541 states and 1539 transitions. [2019-11-20 11:33:41,509 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 1539 transitions. [2019-11-20 11:33:41,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 11:33:41,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:41,531 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:41,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:41,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 543 states and 1553 transitions. [2019-11-20 11:33:41,808 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 1553 transitions. [2019-11-20 11:33:41,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 11:33:41,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:41,830 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:42,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:42,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 545 states and 1571 transitions. [2019-11-20 11:33:42,394 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 1571 transitions. [2019-11-20 11:33:42,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 11:33:42,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:42,417 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 11:33:43,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:43,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 547 states and 1574 transitions. [2019-11-20 11:33:43,220 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 1574 transitions. [2019-11-20 11:33:43,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 11:33:43,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:43,241 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 11:33:43,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:43,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 548 states and 1574 transitions. [2019-11-20 11:33:43,265 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 1574 transitions. [2019-11-20 11:33:43,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 11:33:43,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:43,294 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 11:33:43,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:43,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 549 states and 1574 transitions. [2019-11-20 11:33:43,714 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 1574 transitions. [2019-11-20 11:33:43,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 11:33:43,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:43,751 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 11:33:43,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:43,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 552 states and 1578 transitions. [2019-11-20 11:33:43,780 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 1578 transitions. [2019-11-20 11:33:43,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 11:33:43,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:43,805 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:33:44,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:44,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 553 states and 1580 transitions. [2019-11-20 11:33:44,253 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 1580 transitions. [2019-11-20 11:33:44,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 11:33:44,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:44,271 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:33:46,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:46,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 564 states and 1654 transitions. [2019-11-20 11:33:46,299 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 1654 transitions. [2019-11-20 11:33:46,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 11:33:46,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:46,322 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:33:48,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:48,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 570 states and 1692 transitions. [2019-11-20 11:33:48,914 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 1692 transitions. [2019-11-20 11:33:48,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 11:33:48,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:48,934 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 11:33:50,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:50,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 573 states and 1697 transitions. [2019-11-20 11:33:50,245 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 1697 transitions. [2019-11-20 11:33:50,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 11:33:50,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:50,265 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 11:33:50,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:50,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 574 states and 1700 transitions. [2019-11-20 11:33:50,692 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 1700 transitions. [2019-11-20 11:33:50,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 11:33:50,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:50,711 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 11:33:50,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:50,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 575 states and 1700 transitions. [2019-11-20 11:33:50,920 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1700 transitions. [2019-11-20 11:33:50,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 11:33:50,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:50,942 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:33:51,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:51,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 580 states and 1707 transitions. [2019-11-20 11:33:51,181 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 1707 transitions. [2019-11-20 11:33:51,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 11:33:51,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:51,201 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 11:33:51,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:51,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 583 states and 1713 transitions. [2019-11-20 11:33:51,529 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 1713 transitions. [2019-11-20 11:33:51,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 11:33:51,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:51,556 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:33:51,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:51,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 586 states and 1717 transitions. [2019-11-20 11:33:51,584 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 1717 transitions. [2019-11-20 11:33:51,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 11:33:51,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:51,604 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 11:33:51,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:51,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1728 states to 588 states and 1726 transitions. [2019-11-20 11:33:51,838 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 1726 transitions. [2019-11-20 11:33:51,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 11:33:51,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:51,862 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 11:33:52,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:52,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1737 states to 591 states and 1735 transitions. [2019-11-20 11:33:52,457 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1735 transitions. [2019-11-20 11:33:52,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 11:33:52,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:52,480 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:53,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:53,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 596 states and 1757 transitions. [2019-11-20 11:33:53,325 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1757 transitions. [2019-11-20 11:33:53,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 11:33:53,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:53,347 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:33:54,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:54,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 601 states and 1782 transitions. [2019-11-20 11:33:54,153 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1782 transitions. [2019-11-20 11:33:54,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 11:33:54,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:54,181 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 11:33:54,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:54,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 603 states and 1785 transitions. [2019-11-20 11:33:54,861 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 1785 transitions. [2019-11-20 11:33:54,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 11:33:54,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:54,886 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 11:33:54,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:33:54,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 604 states and 1785 transitions. [2019-11-20 11:33:54,903 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1785 transitions. [2019-11-20 11:33:54,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 11:33:54,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:33:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:33:55,716 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:34:02,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:02,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 630 states and 1936 transitions. [2019-11-20 11:34:02,163 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 1936 transitions. [2019-11-20 11:34:02,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 11:34:02,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:02,184 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:34:02,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:02,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 637 states and 1975 transitions. [2019-11-20 11:34:02,871 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 1975 transitions. [2019-11-20 11:34:02,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 11:34:02,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:02,895 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 11:34:04,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:04,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1982 states to 640 states and 1980 transitions. [2019-11-20 11:34:04,399 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1980 transitions. [2019-11-20 11:34:04,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 11:34:04,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:04,426 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 11:34:05,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:05,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 641 states and 1983 transitions. [2019-11-20 11:34:05,146 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 1983 transitions. [2019-11-20 11:34:05,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 11:34:05,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:05,172 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 11:34:05,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:05,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1993 states to 644 states and 1991 transitions. [2019-11-20 11:34:05,848 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1991 transitions. [2019-11-20 11:34:05,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 11:34:05,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:05,869 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 11:34:06,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:06,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 647 states and 2000 transitions. [2019-11-20 11:34:06,511 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 2000 transitions. [2019-11-20 11:34:06,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 11:34:06,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:06,540 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:34:06,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:06,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 650 states and 2004 transitions. [2019-11-20 11:34:06,565 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 2004 transitions. [2019-11-20 11:34:06,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 11:34:06,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:06,586 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:34:07,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:07,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2053 states to 657 states and 2051 transitions. [2019-11-20 11:34:07,408 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 2051 transitions. [2019-11-20 11:34:07,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 11:34:07,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:07,430 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 11:34:08,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:08,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 660 states and 2056 transitions. [2019-11-20 11:34:08,982 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 2056 transitions. [2019-11-20 11:34:08,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 11:34:08,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:09,005 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 11:34:09,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:09,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 661 states and 2060 transitions. [2019-11-20 11:34:09,564 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 2060 transitions. [2019-11-20 11:34:09,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 11:34:09,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:09,596 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 11:34:10,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:10,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2064 states to 663 states and 2062 transitions. [2019-11-20 11:34:10,221 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 2062 transitions. [2019-11-20 11:34:10,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 11:34:10,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:10,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:10,243 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 11:34:10,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:10,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2065 states to 664 states and 2063 transitions. [2019-11-20 11:34:10,814 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 2063 transitions. [2019-11-20 11:34:10,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 11:34:10,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:10,844 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:34:11,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:11,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 666 states and 2066 transitions. [2019-11-20 11:34:11,168 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 2066 transitions. [2019-11-20 11:34:11,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 11:34:11,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:11,191 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:34:11,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:11,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2073 states to 668 states and 2071 transitions. [2019-11-20 11:34:11,212 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 2071 transitions. [2019-11-20 11:34:11,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 11:34:11,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:11,232 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 11:34:11,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:11,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2076 states to 670 states and 2074 transitions. [2019-11-20 11:34:11,305 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 2074 transitions. [2019-11-20 11:34:11,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 11:34:11,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:11,636 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:34:11,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:11,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 672 states and 2076 transitions. [2019-11-20 11:34:11,904 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 2076 transitions. [2019-11-20 11:34:11,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 11:34:11,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:11,938 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:34:11,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:11,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 669 states and 2072 transitions. [2019-11-20 11:34:11,966 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 2072 transitions. [2019-11-20 11:34:11,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 11:34:11,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:12,003 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 11:34:13,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:13,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 672 states and 2080 transitions. [2019-11-20 11:34:13,739 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 2080 transitions. [2019-11-20 11:34:13,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 11:34:13,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:13,775 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 11:34:14,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:14,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 673 states and 2083 transitions. [2019-11-20 11:34:14,384 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 2083 transitions. [2019-11-20 11:34:14,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 11:34:14,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:14,655 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 11:34:14,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:14,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 674 states and 2085 transitions. [2019-11-20 11:34:14,948 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 2085 transitions. [2019-11-20 11:34:14,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 11:34:14,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:14,984 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 11:34:15,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:15,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 675 states and 2091 transitions. [2019-11-20 11:34:15,661 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 2091 transitions. [2019-11-20 11:34:15,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 11:34:15,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:15,696 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 11:34:16,823 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2019-11-20 11:34:18,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:18,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2137 states to 680 states and 2124 transitions. [2019-11-20 11:34:18,172 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 2124 transitions. [2019-11-20 11:34:18,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 11:34:18,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:18,200 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 11:34:18,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:18,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 683 states and 2151 transitions. [2019-11-20 11:34:18,772 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 2151 transitions. [2019-11-20 11:34:18,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 11:34:18,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:18,808 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:34:18,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:18,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 686 states and 2155 transitions. [2019-11-20 11:34:18,862 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 2155 transitions. [2019-11-20 11:34:18,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 11:34:18,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:18,934 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 11:34:20,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:20,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 691 states and 2163 transitions. [2019-11-20 11:34:20,575 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 2163 transitions. [2019-11-20 11:34:20,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 11:34:20,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:20,604 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 11:34:22,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:22,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 695 states and 2185 transitions. [2019-11-20 11:34:22,581 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 2185 transitions. [2019-11-20 11:34:22,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 11:34:22,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:22,615 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 11:34:23,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:23,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 696 states and 2188 transitions. [2019-11-20 11:34:23,389 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 2188 transitions. [2019-11-20 11:34:23,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 11:34:23,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:23,414 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 11:34:24,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:24,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2204 states to 697 states and 2191 transitions. [2019-11-20 11:34:24,104 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 2191 transitions. [2019-11-20 11:34:24,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 11:34:24,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:24,133 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 11:34:25,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:25,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2209 states to 700 states and 2196 transitions. [2019-11-20 11:34:25,348 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 2196 transitions. [2019-11-20 11:34:25,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 11:34:25,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:25,382 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:34:26,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:26,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 703 states and 2207 transitions. [2019-11-20 11:34:26,335 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 2207 transitions. [2019-11-20 11:34:26,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 11:34:26,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:26,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:26,360 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:34:27,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:27,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2223 states to 706 states and 2210 transitions. [2019-11-20 11:34:27,343 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 2210 transitions. [2019-11-20 11:34:27,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 11:34:27,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:27,366 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 11:34:27,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:27,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 709 states and 2213 transitions. [2019-11-20 11:34:27,968 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 2213 transitions. [2019-11-20 11:34:27,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 11:34:27,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:28,004 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 11:34:28,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:28,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2227 states to 710 states and 2214 transitions. [2019-11-20 11:34:28,329 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 2214 transitions. [2019-11-20 11:34:28,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 11:34:28,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:28,352 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 11:34:29,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:29,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 713 states and 2223 transitions. [2019-11-20 11:34:29,990 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 2223 transitions. [2019-11-20 11:34:29,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 11:34:29,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:30,023 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 11:34:30,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:30,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 714 states and 2228 transitions. [2019-11-20 11:34:30,613 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 2228 transitions. [2019-11-20 11:34:30,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 11:34:30,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:30,639 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 11:34:30,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:30,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 715 states and 2229 transitions. [2019-11-20 11:34:30,708 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 2229 transitions. [2019-11-20 11:34:30,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 11:34:30,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:30,739 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 11:34:30,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:30,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 716 states and 2231 transitions. [2019-11-20 11:34:30,765 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 2231 transitions. [2019-11-20 11:34:30,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 11:34:30,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:30,789 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 11:34:31,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:31,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2275 states to 720 states and 2262 transitions. [2019-11-20 11:34:31,924 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 2262 transitions. [2019-11-20 11:34:31,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 11:34:31,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:31,945 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 11:34:33,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:33,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2300 states to 723 states and 2287 transitions. [2019-11-20 11:34:33,422 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 2287 transitions. [2019-11-20 11:34:33,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 11:34:33,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:33,453 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:34:33,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:33,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2304 states to 726 states and 2291 transitions. [2019-11-20 11:34:33,489 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 2291 transitions. [2019-11-20 11:34:33,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:34:33,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:33,539 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:34:33,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:33,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 728 states and 2294 transitions. [2019-11-20 11:34:33,558 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 2294 transitions. [2019-11-20 11:34:33,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:34:33,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:33,765 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 11:34:35,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:35,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 733 states and 2302 transitions. [2019-11-20 11:34:35,526 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 2302 transitions. [2019-11-20 11:34:35,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 11:34:35,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:36,039 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:34:36,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:36,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 734 states and 2302 transitions. [2019-11-20 11:34:36,385 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 2302 transitions. [2019-11-20 11:34:36,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 11:34:36,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:36,419 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 11:34:37,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:37,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2321 states to 737 states and 2308 transitions. [2019-11-20 11:34:37,238 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 2308 transitions. [2019-11-20 11:34:37,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 11:34:37,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:37,263 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 11:34:38,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:38,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2322 states to 738 states and 2309 transitions. [2019-11-20 11:34:38,008 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 2309 transitions. [2019-11-20 11:34:38,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 11:34:38,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:38,032 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:34:38,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:38,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 739 states and 2310 transitions. [2019-11-20 11:34:38,450 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 2310 transitions. [2019-11-20 11:34:38,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 11:34:38,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:38,481 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:34:40,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:40,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2329 states to 741 states and 2316 transitions. [2019-11-20 11:34:40,097 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 2316 transitions. [2019-11-20 11:34:40,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 11:34:40,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:40,129 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:34:40,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:40,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 742 states and 2318 transitions. [2019-11-20 11:34:40,934 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 2318 transitions. [2019-11-20 11:34:40,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 11:34:40,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:40,965 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 11:34:41,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:41,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 743 states and 2318 transitions. [2019-11-20 11:34:41,700 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 2318 transitions. [2019-11-20 11:34:41,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 11:34:41,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:41,729 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 11:34:41,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:41,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 746 states and 2322 transitions. [2019-11-20 11:34:41,762 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 2322 transitions. [2019-11-20 11:34:41,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 11:34:41,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:42,385 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 11:34:45,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:45,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2357 states to 752 states and 2344 transitions. [2019-11-20 11:34:45,597 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 2344 transitions. [2019-11-20 11:34:45,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:34:45,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:45,621 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:34:46,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:46,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 755 states and 2347 transitions. [2019-11-20 11:34:46,366 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 2347 transitions. [2019-11-20 11:34:46,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:34:46,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:46,392 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:34:47,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:47,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2363 states to 758 states and 2350 transitions. [2019-11-20 11:34:47,112 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 2350 transitions. [2019-11-20 11:34:47,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 11:34:47,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:47,144 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 11:34:47,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:47,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 761 states and 2354 transitions. [2019-11-20 11:34:47,170 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 2354 transitions. [2019-11-20 11:34:47,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 11:34:47,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:47,199 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 11:34:47,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:47,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 762 states and 2355 transitions. [2019-11-20 11:34:47,230 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 2355 transitions. [2019-11-20 11:34:47,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 11:34:47,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:47,265 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 11:34:47,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:47,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 763 states and 2355 transitions. [2019-11-20 11:34:47,649 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 2355 transitions. [2019-11-20 11:34:47,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 11:34:47,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:47,677 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 11:34:48,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:48,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 764 states and 2356 transitions. [2019-11-20 11:34:48,077 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 2356 transitions. [2019-11-20 11:34:48,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 11:34:48,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:48,108 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 11:34:49,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:49,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2375 states to 767 states and 2362 transitions. [2019-11-20 11:34:49,658 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 2362 transitions. [2019-11-20 11:34:49,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 11:34:49,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:49,694 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 11:34:49,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:49,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2378 states to 768 states and 2365 transitions. [2019-11-20 11:34:49,728 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 2365 transitions. [2019-11-20 11:34:49,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 11:34:49,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:49,767 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 11:34:52,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:52,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2400 states to 772 states and 2387 transitions. [2019-11-20 11:34:52,042 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 2387 transitions. [2019-11-20 11:34:52,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:34:52,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:52,071 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:34:52,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:52,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 775 states and 2393 transitions. [2019-11-20 11:34:52,732 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 2393 transitions. [2019-11-20 11:34:52,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:34:52,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:53,165 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 11:34:54,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:54,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 779 states and 2403 transitions. [2019-11-20 11:34:54,488 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 2403 transitions. [2019-11-20 11:34:54,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:34:54,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:54,529 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 11:34:54,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:54,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2420 states to 782 states and 2407 transitions. [2019-11-20 11:34:54,581 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 2407 transitions. [2019-11-20 11:34:54,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 11:34:54,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:54,631 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:34:54,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:54,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2423 states to 784 states and 2410 transitions. [2019-11-20 11:34:54,660 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 2410 transitions. [2019-11-20 11:34:54,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 11:34:54,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:54,710 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 11:34:56,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:56,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2431 states to 789 states and 2418 transitions. [2019-11-20 11:34:56,552 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 2418 transitions. [2019-11-20 11:34:56,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:34:56,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:56,582 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 11:34:59,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:34:59,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2447 states to 793 states and 2434 transitions. [2019-11-20 11:34:59,171 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 2434 transitions. [2019-11-20 11:34:59,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:34:59,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:34:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:34:59,205 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 11:35:00,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:00,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2450 states to 794 states and 2437 transitions. [2019-11-20 11:35:00,045 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 2437 transitions. [2019-11-20 11:35:00,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:35:00,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:00,074 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 11:35:01,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:01,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 797 states and 2443 transitions. [2019-11-20 11:35:01,982 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 2443 transitions. [2019-11-20 11:35:01,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:35:01,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:02,005 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:35:02,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:02,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2459 states to 798 states and 2446 transitions. [2019-11-20 11:35:02,834 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 2446 transitions. [2019-11-20 11:35:02,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:35:02,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:02,859 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:35:04,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:04,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 802 states and 2477 transitions. [2019-11-20 11:35:04,798 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 2477 transitions. [2019-11-20 11:35:04,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:35:04,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:04,823 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:35:05,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:05,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2503 states to 804 states and 2490 transitions. [2019-11-20 11:35:05,454 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 2490 transitions. [2019-11-20 11:35:05,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:35:05,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:05,479 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 11:35:07,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:07,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2538 states to 808 states and 2525 transitions. [2019-11-20 11:35:07,747 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 2525 transitions. [2019-11-20 11:35:07,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:35:07,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:07,777 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2019-11-20 11:35:08,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:08,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2538 states to 809 states and 2525 transitions. [2019-11-20 11:35:08,539 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 2525 transitions. [2019-11-20 11:35:08,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:35:08,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:08,562 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:35:09,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:09,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2555 states to 811 states and 2542 transitions. [2019-11-20 11:35:09,480 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 2542 transitions. [2019-11-20 11:35:09,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:35:09,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:09,504 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:35:10,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:10,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2571 states to 813 states and 2558 transitions. [2019-11-20 11:35:10,444 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 2558 transitions. [2019-11-20 11:35:10,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:35:10,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:10,468 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 11:35:11,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:11,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 816 states and 2564 transitions. [2019-11-20 11:35:11,377 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 2564 transitions. [2019-11-20 11:35:11,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:35:11,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:11,403 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:35:12,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:12,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2583 states to 819 states and 2570 transitions. [2019-11-20 11:35:12,564 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 2570 transitions. [2019-11-20 11:35:12,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:35:12,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:12,596 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:35:13,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:13,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2586 states to 821 states and 2573 transitions. [2019-11-20 11:35:13,273 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 2573 transitions. [2019-11-20 11:35:13,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:35:13,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:13,294 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 11:35:14,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:14,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2593 states to 824 states and 2580 transitions. [2019-11-20 11:35:14,438 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 2580 transitions. [2019-11-20 11:35:14,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:35:14,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:14,470 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 11:35:15,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:15,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2597 states to 827 states and 2584 transitions. [2019-11-20 11:35:15,586 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 2584 transitions. [2019-11-20 11:35:15,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:35:15,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:15,605 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 11:35:16,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:16,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2601 states to 829 states and 2588 transitions. [2019-11-20 11:35:16,271 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 2588 transitions. [2019-11-20 11:35:16,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:35:16,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:16,290 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 11:35:16,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:16,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2601 states to 830 states and 2588 transitions. [2019-11-20 11:35:16,631 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 2588 transitions. [2019-11-20 11:35:16,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:35:16,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:16,935 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 11:35:17,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:17,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 830 states and 2586 transitions. [2019-11-20 11:35:17,365 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 2586 transitions. [2019-11-20 11:35:17,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:35:17,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:17,393 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 11:35:17,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:17,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 833 states and 2590 transitions. [2019-11-20 11:35:17,413 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 2590 transitions. [2019-11-20 11:35:17,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:35:17,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:17,443 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 11:35:17,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:17,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2604 states to 834 states and 2591 transitions. [2019-11-20 11:35:17,477 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 2591 transitions. [2019-11-20 11:35:17,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:35:17,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:17,793 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 11:35:18,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:18,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 835 states and 2592 transitions. [2019-11-20 11:35:18,514 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 2592 transitions. [2019-11-20 11:35:18,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 11:35:18,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:18,550 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:35:18,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:18,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2608 states to 837 states and 2595 transitions. [2019-11-20 11:35:18,567 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 2595 transitions. [2019-11-20 11:35:18,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 11:35:18,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:18,605 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 11:35:20,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:20,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 842 states and 2603 transitions. [2019-11-20 11:35:20,283 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 2603 transitions. [2019-11-20 11:35:20,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 11:35:20,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:20,308 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 11:35:21,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:21,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 843 states and 2603 transitions. [2019-11-20 11:35:21,361 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 2603 transitions. [2019-11-20 11:35:21,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 11:35:21,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:21,388 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 11:35:21,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:21,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 844 states and 2604 transitions. [2019-11-20 11:35:21,467 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 2604 transitions. [2019-11-20 11:35:21,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 11:35:21,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:21,492 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 11:35:21,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:21,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 845 states and 2604 transitions. [2019-11-20 11:35:21,586 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 2604 transitions. [2019-11-20 11:35:21,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 11:35:21,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:21,613 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 11:35:22,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:22,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2618 states to 846 states and 2605 transitions. [2019-11-20 11:35:22,614 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 2605 transitions. [2019-11-20 11:35:22,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 11:35:22,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:22,639 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 11:35:23,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:23,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 849 states and 2611 transitions. [2019-11-20 11:35:23,793 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 2611 transitions. [2019-11-20 11:35:23,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 11:35:23,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:23,818 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-20 11:35:24,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:24,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 850 states and 2611 transitions. [2019-11-20 11:35:24,237 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 2611 transitions. [2019-11-20 11:35:24,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 11:35:24,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:24,260 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:35:24,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:24,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2627 states to 853 states and 2614 transitions. [2019-11-20 11:35:24,283 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 2614 transitions. [2019-11-20 11:35:24,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 11:35:24,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:24,308 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:35:25,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:25,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2653 states to 857 states and 2640 transitions. [2019-11-20 11:35:25,981 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 2640 transitions. [2019-11-20 11:35:25,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 11:35:25,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:26,005 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 11:35:26,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:26,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 859 states and 2641 transitions. [2019-11-20 11:35:26,537 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 2641 transitions. [2019-11-20 11:35:26,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 11:35:26,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:26,572 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:35:26,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:26,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2657 states to 861 states and 2644 transitions. [2019-11-20 11:35:26,596 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 2644 transitions. [2019-11-20 11:35:26,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 11:35:26,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:26,632 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 11:35:28,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:28,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2665 states to 866 states and 2652 transitions. [2019-11-20 11:35:28,630 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 2652 transitions. [2019-11-20 11:35:28,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 11:35:28,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:28,673 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 11:35:28,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:28,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2668 states to 868 states and 2655 transitions. [2019-11-20 11:35:28,728 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 2655 transitions. [2019-11-20 11:35:28,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 11:35:28,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:28,777 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 11:35:30,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:30,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 873 states and 2663 transitions. [2019-11-20 11:35:30,953 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 2663 transitions. [2019-11-20 11:35:30,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 11:35:30,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:30,991 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 11:35:31,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:31,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2678 states to 875 states and 2665 transitions. [2019-11-20 11:35:31,022 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 2665 transitions. [2019-11-20 11:35:31,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 11:35:31,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:31,070 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 11:35:33,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:33,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2686 states to 880 states and 2673 transitions. [2019-11-20 11:35:33,045 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 2673 transitions. [2019-11-20 11:35:33,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 11:35:33,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:33,081 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 11:35:33,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:33,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 882 states and 2676 transitions. [2019-11-20 11:35:33,111 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 2676 transitions. [2019-11-20 11:35:33,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 11:35:33,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:33,147 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 11:35:33,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:33,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2691 states to 884 states and 2678 transitions. [2019-11-20 11:35:33,172 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 2678 transitions. [2019-11-20 11:35:33,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 11:35:33,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:33,208 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 11:35:36,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:36,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 890 states and 2692 transitions. [2019-11-20 11:35:36,406 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 2692 transitions. [2019-11-20 11:35:36,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 11:35:36,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:36,442 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 11:35:36,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:36,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2708 states to 892 states and 2695 transitions. [2019-11-20 11:35:36,464 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 2695 transitions. [2019-11-20 11:35:36,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 11:35:36,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:36,502 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:35:38,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:38,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 897 states and 2704 transitions. [2019-11-20 11:35:38,622 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 2704 transitions. [2019-11-20 11:35:38,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 11:35:38,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:38,661 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 11:35:38,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:38,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2719 states to 899 states and 2706 transitions. [2019-11-20 11:35:38,688 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 2706 transitions. [2019-11-20 11:35:38,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 11:35:38,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:38,722 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 11:35:39,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:39,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2719 states to 900 states and 2706 transitions. [2019-11-20 11:35:39,206 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 2706 transitions. [2019-11-20 11:35:39,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 11:35:39,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:39,231 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 11:35:39,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:39,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 902 states and 2709 transitions. [2019-11-20 11:35:39,259 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 2709 transitions. [2019-11-20 11:35:39,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 11:35:39,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:39,281 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:35:39,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:39,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 905 states and 2713 transitions. [2019-11-20 11:35:39,308 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 2713 transitions. [2019-11-20 11:35:39,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 11:35:39,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:39,337 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 11:35:39,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:39,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2729 states to 907 states and 2716 transitions. [2019-11-20 11:35:39,488 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 2716 transitions. [2019-11-20 11:35:39,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 11:35:39,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:39,520 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:35:39,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:39,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2729 states to 908 states and 2716 transitions. [2019-11-20 11:35:39,549 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 2716 transitions. [2019-11-20 11:35:39,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 11:35:39,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:39,585 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 11:35:39,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:39,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2732 states to 910 states and 2719 transitions. [2019-11-20 11:35:39,620 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 2719 transitions. [2019-11-20 11:35:39,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 11:35:39,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:39,654 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 11:35:39,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:39,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 912 states and 2721 transitions. [2019-11-20 11:35:39,680 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 2721 transitions. [2019-11-20 11:35:39,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 11:35:39,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:40,424 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:35:42,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:42,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 915 states and 2726 transitions. [2019-11-20 11:35:42,119 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 2726 transitions. [2019-11-20 11:35:42,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 11:35:42,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:42,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:42,145 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:35:42,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:42,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 916 states and 2726 transitions. [2019-11-20 11:35:42,178 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 2726 transitions. [2019-11-20 11:35:42,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 11:35:42,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:42,203 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:35:42,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:42,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 917 states and 2726 transitions. [2019-11-20 11:35:42,233 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 2726 transitions. [2019-11-20 11:35:42,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 11:35:42,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:42,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:42,270 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:35:44,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:44,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2742 states to 919 states and 2729 transitions. [2019-11-20 11:35:44,147 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 2729 transitions. [2019-11-20 11:35:44,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 11:35:44,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:44,183 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:35:45,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:45,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2743 states to 920 states and 2730 transitions. [2019-11-20 11:35:45,057 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 2730 transitions. [2019-11-20 11:35:45,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 11:35:45,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:45,094 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 11:35:45,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:45,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2745 states to 921 states and 2732 transitions. [2019-11-20 11:35:45,147 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 2732 transitions. [2019-11-20 11:35:45,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 11:35:45,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:45,182 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 11:35:46,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:46,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 922 states and 2733 transitions. [2019-11-20 11:35:46,018 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 2733 transitions. [2019-11-20 11:35:46,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 11:35:46,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:46,052 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:35:46,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:46,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 923 states and 2733 transitions. [2019-11-20 11:35:46,096 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 2733 transitions. [2019-11-20 11:35:46,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 11:35:46,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:46,688 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 11:35:48,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:48,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2745 states to 924 states and 2732 transitions. [2019-11-20 11:35:48,152 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 2732 transitions. [2019-11-20 11:35:48,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 11:35:48,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:48,890 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:35:48,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:48,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2745 states to 925 states and 2732 transitions. [2019-11-20 11:35:48,917 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 2732 transitions. [2019-11-20 11:35:48,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 11:35:48,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:49,244 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 11:35:49,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:49,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2747 states to 927 states and 2734 transitions. [2019-11-20 11:35:49,279 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 2734 transitions. [2019-11-20 11:35:49,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 11:35:49,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:49,308 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 11:35:49,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:49,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2751 states to 930 states and 2738 transitions. [2019-11-20 11:35:49,388 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 2738 transitions. [2019-11-20 11:35:49,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 11:35:49,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:49,871 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:35:51,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:51,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 933 states and 2743 transitions. [2019-11-20 11:35:51,347 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 2743 transitions. [2019-11-20 11:35:51,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 11:35:51,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:51,396 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 11:35:51,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:51,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2758 states to 935 states and 2745 transitions. [2019-11-20 11:35:51,473 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 2745 transitions. [2019-11-20 11:35:51,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 11:35:51,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:51,526 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:35:53,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:53,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 937 states and 2748 transitions. [2019-11-20 11:35:53,588 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 2748 transitions. [2019-11-20 11:35:53,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 11:35:53,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:53,634 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:35:53,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:53,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 940 states and 2751 transitions. [2019-11-20 11:35:53,669 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 2751 transitions. [2019-11-20 11:35:53,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 11:35:53,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:53,705 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 11:35:53,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:53,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 941 states and 2756 transitions. [2019-11-20 11:35:53,761 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 2756 transitions. [2019-11-20 11:35:53,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 11:35:53,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:53,797 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:35:53,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:53,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 942 states and 2757 transitions. [2019-11-20 11:35:53,835 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 2757 transitions. [2019-11-20 11:35:53,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 11:35:53,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:53,873 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:35:53,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:53,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 943 states and 2757 transitions. [2019-11-20 11:35:53,908 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 2757 transitions. [2019-11-20 11:35:53,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 11:35:53,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:53,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:53,943 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:35:56,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:56,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 952 states and 2770 transitions. [2019-11-20 11:35:56,728 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 2770 transitions. [2019-11-20 11:35:56,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 11:35:56,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:56,766 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:35:56,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:56,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2800 states to 961 states and 2783 transitions. [2019-11-20 11:35:56,851 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 2783 transitions. [2019-11-20 11:35:56,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 11:35:56,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:56,898 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 11:35:56,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:56,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2802 states to 963 states and 2785 transitions. [2019-11-20 11:35:56,954 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 2785 transitions. [2019-11-20 11:35:56,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 11:35:56,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:56,989 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:35:58,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:58,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 965 states and 2789 transitions. [2019-11-20 11:35:58,981 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 2789 transitions. [2019-11-20 11:35:58,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 11:35:58,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:59,023 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:35:59,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:59,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2809 states to 968 states and 2792 transitions. [2019-11-20 11:35:59,074 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 2792 transitions. [2019-11-20 11:35:59,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 11:35:59,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:59,122 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:35:59,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:59,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2811 states to 969 states and 2794 transitions. [2019-11-20 11:35:59,780 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 2794 transitions. [2019-11-20 11:35:59,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 11:35:59,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:59,815 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:35:59,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:59,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 970 states and 2795 transitions. [2019-11-20 11:35:59,848 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 2795 transitions. [2019-11-20 11:35:59,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 11:35:59,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:59,883 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:35:59,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:59,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 971 states and 2797 transitions. [2019-11-20 11:35:59,919 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 2797 transitions. [2019-11-20 11:35:59,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 11:35:59,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:35:59,949 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:35:59,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:35:59,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 972 states and 2797 transitions. [2019-11-20 11:35:59,976 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 2797 transitions. [2019-11-20 11:35:59,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 11:35:59,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:35:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:00,006 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 11:36:00,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:00,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 973 states and 2797 transitions. [2019-11-20 11:36:00,041 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 2797 transitions. [2019-11-20 11:36:00,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 11:36:00,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:00,086 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:36:00,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:00,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2815 states to 974 states and 2798 transitions. [2019-11-20 11:36:00,779 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 2798 transitions. [2019-11-20 11:36:00,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 11:36:00,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:00,806 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 38 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 11:36:02,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:02,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2833 states to 976 states and 2816 transitions. [2019-11-20 11:36:02,013 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 2816 transitions. [2019-11-20 11:36:02,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 11:36:02,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:02,042 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-11-20 11:36:02,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:02,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2833 states to 977 states and 2816 transitions. [2019-11-20 11:36:02,577 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 2816 transitions. [2019-11-20 11:36:02,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 11:36:02,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:02,604 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 11:36:03,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:03,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 978 states and 2819 transitions. [2019-11-20 11:36:03,660 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 2819 transitions. [2019-11-20 11:36:03,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 11:36:03,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:03,686 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 11:36:04,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:04,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2837 states to 979 states and 2820 transitions. [2019-11-20 11:36:04,710 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 2820 transitions. [2019-11-20 11:36:04,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 11:36:04,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:04,735 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 11:36:05,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:05,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2838 states to 980 states and 2821 transitions. [2019-11-20 11:36:05,781 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 2821 transitions. [2019-11-20 11:36:05,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 11:36:05,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:05,814 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 11:36:05,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:05,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 982 states and 2824 transitions. [2019-11-20 11:36:05,840 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 2824 transitions. [2019-11-20 11:36:05,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 11:36:05,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:05,869 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:36:07,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:07,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2856 states to 991 states and 2837 transitions. [2019-11-20 11:36:07,454 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 2837 transitions. [2019-11-20 11:36:07,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 11:36:07,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:07,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:07,479 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:36:07,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:07,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2871 states to 1000 states and 2850 transitions. [2019-11-20 11:36:07,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 2850 transitions. [2019-11-20 11:36:07,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 11:36:07,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:07,603 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 11:36:07,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:07,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2873 states to 1002 states and 2852 transitions. [2019-11-20 11:36:07,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 2852 transitions. [2019-11-20 11:36:07,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 11:36:07,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:07,706 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:36:08,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:08,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2873 states to 1003 states and 2852 transitions. [2019-11-20 11:36:08,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 2852 transitions. [2019-11-20 11:36:08,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 11:36:08,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:08,416 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:36:10,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:10,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 1006 states and 2861 transitions. [2019-11-20 11:36:10,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 2861 transitions. [2019-11-20 11:36:10,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 11:36:10,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:10,703 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 11:36:11,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:11,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2885 states to 1007 states and 2864 transitions. [2019-11-20 11:36:11,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 2864 transitions. [2019-11-20 11:36:11,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 11:36:11,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:11,751 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:36:11,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:11,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2888 states to 1010 states and 2867 transitions. [2019-11-20 11:36:11,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 2867 transitions. [2019-11-20 11:36:11,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 11:36:11,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:11,998 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 11:36:13,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:13,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2891 states to 1011 states and 2870 transitions. [2019-11-20 11:36:13,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 2870 transitions. [2019-11-20 11:36:13,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 11:36:13,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:13,170 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:36:13,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:13,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2892 states to 1012 states and 2871 transitions. [2019-11-20 11:36:13,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 2871 transitions. [2019-11-20 11:36:13,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 11:36:13,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:13,238 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:36:13,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:13,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2894 states to 1014 states and 2873 transitions. [2019-11-20 11:36:13,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 2873 transitions. [2019-11-20 11:36:13,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 11:36:13,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:13,873 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:36:13,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:13,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 1015 states and 2874 transitions. [2019-11-20 11:36:13,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 2874 transitions. [2019-11-20 11:36:13,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 11:36:13,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:13,970 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 11:36:18,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:18,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2929 states to 1021 states and 2908 transitions. [2019-11-20 11:36:18,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 2908 transitions. [2019-11-20 11:36:18,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 11:36:18,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:18,553 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:36:19,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:19,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 1022 states and 2911 transitions. [2019-11-20 11:36:19,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 2911 transitions. [2019-11-20 11:36:19,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 11:36:19,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:19,198 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 11:36:19,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:19,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 1023 states and 2911 transitions. [2019-11-20 11:36:19,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 2911 transitions. [2019-11-20 11:36:19,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 11:36:19,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:19,791 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:36:20,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:20,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 1024 states and 2911 transitions. [2019-11-20 11:36:20,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 2911 transitions. [2019-11-20 11:36:20,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 11:36:20,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:20,298 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 11:36:23,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:23,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2952 states to 1029 states and 2931 transitions. [2019-11-20 11:36:23,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 2931 transitions. [2019-11-20 11:36:23,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 11:36:23,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:23,281 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:36:23,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:23,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2952 states to 1030 states and 2931 transitions. [2019-11-20 11:36:23,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 2931 transitions. [2019-11-20 11:36:23,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 11:36:23,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:23,442 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 11:36:24,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:24,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2956 states to 1031 states and 2935 transitions. [2019-11-20 11:36:24,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 2935 transitions. [2019-11-20 11:36:24,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 11:36:24,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:24,604 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 11:36:25,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:25,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2956 states to 1032 states and 2935 transitions. [2019-11-20 11:36:25,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 2935 transitions. [2019-11-20 11:36:25,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 11:36:25,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:25,239 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 11:36:26,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:26,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2959 states to 1035 states and 2938 transitions. [2019-11-20 11:36:26,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 2938 transitions. [2019-11-20 11:36:26,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 11:36:26,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:26,357 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:36:26,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:26,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 1035 states and 2935 transitions. [2019-11-20 11:36:26,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 2935 transitions. [2019-11-20 11:36:26,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 11:36:26,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:26,462 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 11:36:26,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:26,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2961 states to 1035 states and 2932 transitions. [2019-11-20 11:36:26,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 2932 transitions. [2019-11-20 11:36:26,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 11:36:26,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:26,556 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 11:36:26,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:26,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2963 states to 1037 states and 2934 transitions. [2019-11-20 11:36:26,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 2934 transitions. [2019-11-20 11:36:26,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 11:36:26,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:26,801 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:36:27,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:27,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2967 states to 1040 states and 2938 transitions. [2019-11-20 11:36:27,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 2938 transitions. [2019-11-20 11:36:27,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 11:36:27,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:27,050 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 11:36:30,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:30,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2999 states to 1045 states and 2970 transitions. [2019-11-20 11:36:30,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 2970 transitions. [2019-11-20 11:36:30,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 11:36:30,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:31,000 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:36:31,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:31,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3003 states to 1048 states and 2974 transitions. [2019-11-20 11:36:31,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 2974 transitions. [2019-11-20 11:36:31,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 11:36:31,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:31,067 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 11:36:32,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:32,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 1050 states and 2976 transitions. [2019-11-20 11:36:32,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 2976 transitions. [2019-11-20 11:36:32,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 11:36:32,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:33,008 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:36:33,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:33,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3006 states to 1051 states and 2977 transitions. [2019-11-20 11:36:33,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 2977 transitions. [2019-11-20 11:36:33,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 11:36:33,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:33,113 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:36:33,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:33,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 1053 states and 2979 transitions. [2019-11-20 11:36:33,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 2979 transitions. [2019-11-20 11:36:33,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 11:36:33,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:33,196 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:36:33,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:33,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 1054 states and 2979 transitions. [2019-11-20 11:36:33,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 2979 transitions. [2019-11-20 11:36:33,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 11:36:33,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:33,296 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:36:33,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:33,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 1055 states and 2981 transitions. [2019-11-20 11:36:33,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 2981 transitions. [2019-11-20 11:36:33,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 11:36:33,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:33,505 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:36:33,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:33,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3011 states to 1056 states and 2982 transitions. [2019-11-20 11:36:33,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 2982 transitions. [2019-11-20 11:36:33,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 11:36:33,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:33,578 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 11:36:33,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:33,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3012 states to 1057 states and 2983 transitions. [2019-11-20 11:36:33,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 2983 transitions. [2019-11-20 11:36:33,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 11:36:33,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:33,668 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:36:33,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:33,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 1058 states and 2984 transitions. [2019-11-20 11:36:33,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 2984 transitions. [2019-11-20 11:36:33,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 11:36:33,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:33,842 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 11:36:35,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:35,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3022 states to 1064 states and 2993 transitions. [2019-11-20 11:36:35,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 2993 transitions. [2019-11-20 11:36:35,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 11:36:35,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:36,011 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:36:36,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:36,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3022 states to 1065 states and 2993 transitions. [2019-11-20 11:36:36,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 2993 transitions. [2019-11-20 11:36:36,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 11:36:36,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:36,110 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 11:36:36,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:36,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3023 states to 1066 states and 2994 transitions. [2019-11-20 11:36:36,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 2994 transitions. [2019-11-20 11:36:36,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 11:36:36,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:36,178 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:36:37,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:37,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3026 states to 1069 states and 2997 transitions. [2019-11-20 11:36:37,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 2997 transitions. [2019-11-20 11:36:37,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 11:36:37,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:37,153 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:36:38,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:38,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 1078 states and 3010 transitions. [2019-11-20 11:36:38,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 3010 transitions. [2019-11-20 11:36:38,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 11:36:38,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:38,135 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:36:38,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:38,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3056 states to 1087 states and 3023 transitions. [2019-11-20 11:36:38,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 3023 transitions. [2019-11-20 11:36:38,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 11:36:38,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:38,663 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 11:36:38,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:38,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 1090 states and 3027 transitions. [2019-11-20 11:36:38,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 3027 transitions. [2019-11-20 11:36:38,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 11:36:38,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:38,745 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:36:39,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:39,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 1091 states and 3027 transitions. [2019-11-20 11:36:39,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 3027 transitions. [2019-11-20 11:36:39,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 11:36:39,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:39,869 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:36:41,187 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2019-11-20 11:36:41,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:41,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 1092 states and 3027 transitions. [2019-11-20 11:36:41,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 3027 transitions. [2019-11-20 11:36:41,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 11:36:41,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:41,242 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 11:36:41,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:41,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3065 states to 1095 states and 3032 transitions. [2019-11-20 11:36:41,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 3032 transitions. [2019-11-20 11:36:41,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 11:36:41,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:41,937 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 11:36:42,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:42,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3067 states to 1097 states and 3034 transitions. [2019-11-20 11:36:42,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 3034 transitions. [2019-11-20 11:36:42,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 11:36:42,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:42,083 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:36:42,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:42,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 1100 states and 3041 transitions. [2019-11-20 11:36:42,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 3041 transitions. [2019-11-20 11:36:42,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 11:36:42,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:42,378 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 11:36:43,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:43,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3095 states to 1107 states and 3062 transitions. [2019-11-20 11:36:43,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 3062 transitions. [2019-11-20 11:36:43,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 11:36:43,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:43,364 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 11:36:43,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:43,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3098 states to 1110 states and 3065 transitions. [2019-11-20 11:36:43,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 3065 transitions. [2019-11-20 11:36:43,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 11:36:43,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:43,523 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 11:36:45,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:45,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3107 states to 1116 states and 3074 transitions. [2019-11-20 11:36:45,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 3074 transitions. [2019-11-20 11:36:45,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 11:36:45,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:45,732 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:36:45,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:45,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 1119 states and 3081 transitions. [2019-11-20 11:36:45,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 3081 transitions. [2019-11-20 11:36:45,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 11:36:45,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:46,008 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 11:36:46,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:46,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 1122 states and 3084 transitions. [2019-11-20 11:36:46,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 3084 transitions. [2019-11-20 11:36:46,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 11:36:46,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:46,171 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 11:36:46,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:46,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3121 states to 1125 states and 3088 transitions. [2019-11-20 11:36:46,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 3088 transitions. [2019-11-20 11:36:46,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 11:36:46,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:47,294 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 17 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 11:36:54,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:54,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3161 states to 1137 states and 3128 transitions. [2019-11-20 11:36:54,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 3128 transitions. [2019-11-20 11:36:54,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 11:36:54,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:54,698 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 17 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 11:36:56,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:56,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 1140 states and 3145 transitions. [2019-11-20 11:36:56,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 3145 transitions. [2019-11-20 11:36:56,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 11:36:56,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:57,017 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 11:36:59,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:59,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3187 states to 1146 states and 3154 transitions. [2019-11-20 11:36:59,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 3154 transitions. [2019-11-20 11:36:59,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 11:36:59,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:59,444 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 17 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 11:36:59,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:36:59,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3191 states to 1148 states and 3158 transitions. [2019-11-20 11:36:59,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 3158 transitions. [2019-11-20 11:36:59,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 11:36:59,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:36:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:36:59,523 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 11:37:03,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:03,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3210 states to 1151 states and 3177 transitions. [2019-11-20 11:37:03,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 3177 transitions. [2019-11-20 11:37:03,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 11:37:03,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:03,066 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 11:37:04,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:04,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3210 states to 1152 states and 3177 transitions. [2019-11-20 11:37:04,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 3177 transitions. [2019-11-20 11:37:04,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 11:37:04,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:04,191 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 11:37:05,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:05,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3211 states to 1153 states and 3178 transitions. [2019-11-20 11:37:05,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 3178 transitions. [2019-11-20 11:37:05,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 11:37:05,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:05,358 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:37:06,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:06,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3216 states to 1155 states and 3183 transitions. [2019-11-20 11:37:06,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 3183 transitions. [2019-11-20 11:37:06,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 11:37:06,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:06,123 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 11:37:06,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:06,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3219 states to 1157 states and 3186 transitions. [2019-11-20 11:37:06,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 3186 transitions. [2019-11-20 11:37:06,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 11:37:06,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:06,721 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 11:37:09,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:09,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3228 states to 1163 states and 3195 transitions. [2019-11-20 11:37:09,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 3195 transitions. [2019-11-20 11:37:09,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 11:37:09,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:09,239 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 11:37:10,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:10,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3248 states to 1172 states and 3213 transitions. [2019-11-20 11:37:10,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 3213 transitions. [2019-11-20 11:37:10,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 11:37:10,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:10,692 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 11:37:10,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:10,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3268 states to 1181 states and 3231 transitions. [2019-11-20 11:37:10,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 3231 transitions. [2019-11-20 11:37:10,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 11:37:10,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:10,842 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 11:37:12,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:12,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3287 states to 1184 states and 3250 transitions. [2019-11-20 11:37:12,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 3250 transitions. [2019-11-20 11:37:12,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 11:37:12,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:12,833 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 11:37:14,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:14,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3307 states to 1187 states and 3270 transitions. [2019-11-20 11:37:14,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 3270 transitions. [2019-11-20 11:37:14,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 11:37:14,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:14,724 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 11:37:17,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:17,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 1189 states and 3275 transitions. [2019-11-20 11:37:17,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 3275 transitions. [2019-11-20 11:37:17,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 11:37:17,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:17,115 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 11:37:18,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:18,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3319 states to 1190 states and 3282 transitions. [2019-11-20 11:37:18,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 3282 transitions. [2019-11-20 11:37:18,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 11:37:18,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:18,439 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 11:37:20,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:20,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3319 states to 1191 states and 3282 transitions. [2019-11-20 11:37:20,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 3282 transitions. [2019-11-20 11:37:20,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 11:37:20,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:20,879 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 11:37:21,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:21,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3321 states to 1192 states and 3284 transitions. [2019-11-20 11:37:21,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 3284 transitions. [2019-11-20 11:37:21,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 11:37:21,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:21,986 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 11:37:23,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:23,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3321 states to 1193 states and 3284 transitions. [2019-11-20 11:37:23,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 3284 transitions. [2019-11-20 11:37:23,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 11:37:23,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:23,054 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:37:24,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:24,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3324 states to 1196 states and 3287 transitions. [2019-11-20 11:37:24,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 3287 transitions. [2019-11-20 11:37:24,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 11:37:24,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:24,773 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 11:37:25,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:25,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3324 states to 1197 states and 3287 transitions. [2019-11-20 11:37:25,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 3287 transitions. [2019-11-20 11:37:25,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 11:37:25,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:25,336 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 11:37:25,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:25,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3324 states to 1198 states and 3287 transitions. [2019-11-20 11:37:25,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 3287 transitions. [2019-11-20 11:37:25,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 11:37:25,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:25,493 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 11:37:27,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:27,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3327 states to 1200 states and 3290 transitions. [2019-11-20 11:37:27,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 3290 transitions. [2019-11-20 11:37:27,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 11:37:27,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:27,964 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 11:37:29,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:29,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3327 states to 1201 states and 3290 transitions. [2019-11-20 11:37:29,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 3290 transitions. [2019-11-20 11:37:29,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 11:37:29,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:29,295 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 11:37:30,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:30,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3328 states to 1202 states and 3291 transitions. [2019-11-20 11:37:30,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 3291 transitions. [2019-11-20 11:37:30,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 11:37:30,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:30,516 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 11:37:31,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:31,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3331 states to 1205 states and 3294 transitions. [2019-11-20 11:37:31,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 3294 transitions. [2019-11-20 11:37:31,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 11:37:31,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:31,686 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 11:37:34,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:34,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3341 states to 1211 states and 3304 transitions. [2019-11-20 11:37:34,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 3304 transitions. [2019-11-20 11:37:34,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 11:37:34,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:34,085 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:37:35,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:35,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3360 states to 1220 states and 3321 transitions. [2019-11-20 11:37:35,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 3321 transitions. [2019-11-20 11:37:35,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 11:37:35,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:35,101 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 11:37:37,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:37,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3375 states to 1229 states and 3334 transitions. [2019-11-20 11:37:37,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 3334 transitions. [2019-11-20 11:37:37,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 11:37:37,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:37,054 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 11:37:39,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:39,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 1238 states and 3350 transitions. [2019-11-20 11:37:39,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 3350 transitions. [2019-11-20 11:37:39,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 11:37:39,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:39,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:39,068 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 11:37:40,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:40,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3408 states to 1247 states and 3363 transitions. [2019-11-20 11:37:40,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 3363 transitions. [2019-11-20 11:37:40,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 11:37:40,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:40,276 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 11:37:40,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:40,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 1248 states and 3364 transitions. [2019-11-20 11:37:40,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 3364 transitions. [2019-11-20 11:37:40,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 11:37:40,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:40,972 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 11:37:41,462 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2019-11-20 11:37:43,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:43,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3413 states to 1250 states and 3368 transitions. [2019-11-20 11:37:43,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 3368 transitions. [2019-11-20 11:37:43,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 11:37:43,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:43,505 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 11:37:44,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:44,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3415 states to 1251 states and 3370 transitions. [2019-11-20 11:37:44,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 3370 transitions. [2019-11-20 11:37:44,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 11:37:44,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:44,629 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 11:37:45,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:45,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3416 states to 1252 states and 3371 transitions. [2019-11-20 11:37:45,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 3371 transitions. [2019-11-20 11:37:45,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 11:37:45,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:45,278 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 11:37:46,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:46,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3417 states to 1253 states and 3372 transitions. [2019-11-20 11:37:46,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 3372 transitions. [2019-11-20 11:37:46,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 11:37:46,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:46,440 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 11:37:47,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:47,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3417 states to 1254 states and 3372 transitions. [2019-11-20 11:37:47,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 3372 transitions. [2019-11-20 11:37:47,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 11:37:47,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:47,166 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 11:37:48,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:48,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3419 states to 1255 states and 3374 transitions. [2019-11-20 11:37:48,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 3374 transitions. [2019-11-20 11:37:48,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 11:37:48,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:48,363 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 11:37:49,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:49,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3420 states to 1256 states and 3375 transitions. [2019-11-20 11:37:49,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 3375 transitions. [2019-11-20 11:37:49,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 11:37:49,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:49,553 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-11-20 11:37:50,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:50,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3420 states to 1257 states and 3375 transitions. [2019-11-20 11:37:50,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 3375 transitions. [2019-11-20 11:37:50,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 11:37:50,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:50,138 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 11:37:50,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:50,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3420 states to 1258 states and 3375 transitions. [2019-11-20 11:37:50,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 3375 transitions. [2019-11-20 11:37:50,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 11:37:50,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:50,754 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 11:37:53,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:53,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3432 states to 1264 states and 3387 transitions. [2019-11-20 11:37:53,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 3387 transitions. [2019-11-20 11:37:53,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 11:37:53,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:53,272 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 11:37:53,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:53,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3434 states to 1265 states and 3389 transitions. [2019-11-20 11:37:53,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 3389 transitions. [2019-11-20 11:37:53,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 11:37:53,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:53,875 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 11:37:53,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:53,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3434 states to 1266 states and 3389 transitions. [2019-11-20 11:37:53,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 3389 transitions. [2019-11-20 11:37:53,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 11:37:53,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:53,930 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 11:37:53,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:53,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3435 states to 1267 states and 3390 transitions. [2019-11-20 11:37:53,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 3390 transitions. [2019-11-20 11:37:53,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 11:37:53,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:53,990 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 11:37:54,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:54,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3435 states to 1268 states and 3390 transitions. [2019-11-20 11:37:54,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 3390 transitions. [2019-11-20 11:37:54,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 11:37:54,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:54,143 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 11:37:56,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:56,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3444 states to 1274 states and 3399 transitions. [2019-11-20 11:37:56,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 3399 transitions. [2019-11-20 11:37:56,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 11:37:56,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:57,003 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 11:37:57,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:57,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3444 states to 1275 states and 3399 transitions. [2019-11-20 11:37:57,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 3399 transitions. [2019-11-20 11:37:57,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 11:37:57,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:57,141 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-20 11:37:57,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:57,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3448 states to 1278 states and 3403 transitions. [2019-11-20 11:37:57,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 3403 transitions. [2019-11-20 11:37:57,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 11:37:57,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:57,446 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 11:37:59,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:59,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3472 states to 1284 states and 3427 transitions. [2019-11-20 11:37:59,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 3427 transitions. [2019-11-20 11:37:59,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 11:37:59,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:59,203 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 11:37:59,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:59,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3473 states to 1286 states and 3428 transitions. [2019-11-20 11:37:59,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 3428 transitions. [2019-11-20 11:37:59,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 11:37:59,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:59,431 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 11:37:59,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:37:59,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 1288 states and 3432 transitions. [2019-11-20 11:37:59,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 3432 transitions. [2019-11-20 11:37:59,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 11:37:59,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:37:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:37:59,591 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 21 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 11:38:03,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:03,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3503 states to 1295 states and 3458 transitions. [2019-11-20 11:38:03,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 3458 transitions. [2019-11-20 11:38:03,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 11:38:03,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:03,090 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 11:38:03,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:03,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3504 states to 1296 states and 3459 transitions. [2019-11-20 11:38:03,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 3459 transitions. [2019-11-20 11:38:03,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 11:38:03,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:03,244 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 11:38:03,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:03,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3504 states to 1297 states and 3459 transitions. [2019-11-20 11:38:03,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 3459 transitions. [2019-11-20 11:38:03,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 11:38:03,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:04,006 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 11:38:04,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:04,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3510 states to 1300 states and 3465 transitions. [2019-11-20 11:38:04,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 3465 transitions. [2019-11-20 11:38:04,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 11:38:04,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:04,177 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 11:38:04,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:04,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3513 states to 1302 states and 3468 transitions. [2019-11-20 11:38:04,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 3468 transitions. [2019-11-20 11:38:04,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 11:38:04,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:04,430 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 11:38:07,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:07,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3522 states to 1308 states and 3477 transitions. [2019-11-20 11:38:07,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 3477 transitions. [2019-11-20 11:38:07,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 11:38:07,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:07,237 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 11:38:08,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:08,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3530 states to 1311 states and 3485 transitions. [2019-11-20 11:38:08,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 3485 transitions. [2019-11-20 11:38:08,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 11:38:08,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:08,258 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 11:38:08,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:08,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3533 states to 1313 states and 3488 transitions. [2019-11-20 11:38:08,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 3488 transitions. [2019-11-20 11:38:08,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 11:38:08,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:08,888 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 11:38:08,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:08,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3534 states to 1314 states and 3489 transitions. [2019-11-20 11:38:08,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 3489 transitions. [2019-11-20 11:38:08,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 11:38:08,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:09,021 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-11-20 11:38:11,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:11,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3536 states to 1316 states and 3491 transitions. [2019-11-20 11:38:11,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 3491 transitions. [2019-11-20 11:38:11,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 11:38:11,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:11,193 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 11:38:13,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:13,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3542 states to 1318 states and 3497 transitions. [2019-11-20 11:38:13,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 3497 transitions. [2019-11-20 11:38:13,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 11:38:13,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:13,585 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 11:38:14,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:14,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3543 states to 1319 states and 3498 transitions. [2019-11-20 11:38:14,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 3498 transitions. [2019-11-20 11:38:14,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 11:38:14,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:14,317 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 11:38:14,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:14,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3543 states to 1320 states and 3498 transitions. [2019-11-20 11:38:14,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 3498 transitions. [2019-11-20 11:38:14,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 11:38:14,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:14,378 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 11:38:15,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:15,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 1321 states and 3500 transitions. [2019-11-20 11:38:15,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 3500 transitions. [2019-11-20 11:38:15,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 11:38:15,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:15,663 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 11:38:15,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:15,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 1322 states and 3500 transitions. [2019-11-20 11:38:15,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 3500 transitions. [2019-11-20 11:38:15,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 11:38:15,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:15,730 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 11:38:15,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:15,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 1323 states and 3500 transitions. [2019-11-20 11:38:15,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 3500 transitions. [2019-11-20 11:38:15,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 11:38:15,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:15,961 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 11:38:16,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:16,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3548 states to 1325 states and 3503 transitions. [2019-11-20 11:38:16,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 3503 transitions. [2019-11-20 11:38:16,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 11:38:16,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:16,129 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 11:38:16,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:16,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3542 states to 1323 states and 3497 transitions. [2019-11-20 11:38:16,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 3497 transitions. [2019-11-20 11:38:16,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 11:38:16,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:16,190 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 11:38:16,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:16,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3546 states to 1326 states and 3501 transitions. [2019-11-20 11:38:16,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 3501 transitions. [2019-11-20 11:38:16,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 11:38:16,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:17,009 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 11:38:18,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:18,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 1328 states and 3504 transitions. [2019-11-20 11:38:18,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 3504 transitions. [2019-11-20 11:38:18,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 11:38:18,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:18,238 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 11:38:19,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:19,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3550 states to 1329 states and 3505 transitions. [2019-11-20 11:38:19,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 3505 transitions. [2019-11-20 11:38:19,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 11:38:19,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:19,491 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 11:38:19,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:19,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3551 states to 1330 states and 3506 transitions. [2019-11-20 11:38:19,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 3506 transitions. [2019-11-20 11:38:19,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 11:38:19,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:19,679 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 11:38:19,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:19,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3550 states to 1330 states and 3505 transitions. [2019-11-20 11:38:19,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 3505 transitions. [2019-11-20 11:38:19,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 11:38:19,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:20,428 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 11:38:37,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:37,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3650 states to 1354 states and 3605 transitions. [2019-11-20 11:38:37,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 3605 transitions. [2019-11-20 11:38:37,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 11:38:37,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:37,813 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 11:38:39,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:39,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 1355 states and 3607 transitions. [2019-11-20 11:38:39,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 3607 transitions. [2019-11-20 11:38:39,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 11:38:39,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:39,197 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 11:38:39,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:39,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3655 states to 1357 states and 3610 transitions. [2019-11-20 11:38:39,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 3610 transitions. [2019-11-20 11:38:39,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 11:38:39,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:39,998 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 11:38:40,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:40,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3657 states to 1359 states and 3612 transitions. [2019-11-20 11:38:40,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 3612 transitions. [2019-11-20 11:38:40,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 11:38:40,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:40,169 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 11:38:40,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:40,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3657 states to 1360 states and 3612 transitions. [2019-11-20 11:38:40,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 3612 transitions. [2019-11-20 11:38:40,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 11:38:40,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:40,341 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-11-20 11:38:42,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:42,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3659 states to 1362 states and 3614 transitions. [2019-11-20 11:38:42,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 3614 transitions. [2019-11-20 11:38:42,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 11:38:42,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:42,070 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 11:38:44,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:44,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3668 states to 1368 states and 3623 transitions. [2019-11-20 11:38:44,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 3623 transitions. [2019-11-20 11:38:44,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 11:38:44,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:44,468 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 11:38:44,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:44,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3662 states to 1366 states and 3617 transitions. [2019-11-20 11:38:44,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 3617 transitions. [2019-11-20 11:38:44,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 11:38:44,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:44,631 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 11:38:44,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:44,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3666 states to 1368 states and 3621 transitions. [2019-11-20 11:38:44,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 3621 transitions. [2019-11-20 11:38:44,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 11:38:44,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:44,811 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 11:38:44,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:44,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3666 states to 1369 states and 3621 transitions. [2019-11-20 11:38:44,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 3621 transitions. [2019-11-20 11:38:44,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 11:38:44,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:44,943 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 11:38:45,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:45,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3667 states to 1370 states and 3622 transitions. [2019-11-20 11:38:45,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 3622 transitions. [2019-11-20 11:38:45,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 11:38:45,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:45,109 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 11:38:45,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:45,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3668 states to 1371 states and 3623 transitions. [2019-11-20 11:38:45,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 3623 transitions. [2019-11-20 11:38:45,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 11:38:45,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:45,252 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 11:38:46,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:46,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3673 states to 1374 states and 3628 transitions. [2019-11-20 11:38:46,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 3628 transitions. [2019-11-20 11:38:46,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 11:38:46,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:46,305 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 11:38:47,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:47,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3677 states to 1377 states and 3632 transitions. [2019-11-20 11:38:47,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 3632 transitions. [2019-11-20 11:38:47,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 11:38:47,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:47,753 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 11:38:50,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:50,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3683 states to 1380 states and 3638 transitions. [2019-11-20 11:38:50,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 3638 transitions. [2019-11-20 11:38:50,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 11:38:50,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:50,511 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 11:38:50,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:50,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3687 states to 1382 states and 3642 transitions. [2019-11-20 11:38:50,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 3642 transitions. [2019-11-20 11:38:50,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 11:38:50,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:50,798 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 11:38:51,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:51,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3691 states to 1384 states and 3646 transitions. [2019-11-20 11:38:51,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 3646 transitions. [2019-11-20 11:38:51,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 11:38:51,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:51,106 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 11:38:51,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:51,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3692 states to 1385 states and 3647 transitions. [2019-11-20 11:38:51,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 3647 transitions. [2019-11-20 11:38:51,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 11:38:51,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:51,842 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 11:38:53,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:53,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3695 states to 1388 states and 3650 transitions. [2019-11-20 11:38:53,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 3650 transitions. [2019-11-20 11:38:53,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 11:38:53,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:53,313 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 11:38:55,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:55,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3699 states to 1390 states and 3654 transitions. [2019-11-20 11:38:55,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 3654 transitions. [2019-11-20 11:38:55,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 11:38:55,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:55,405 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 11:38:55,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:55,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3703 states to 1392 states and 3658 transitions. [2019-11-20 11:38:55,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 3658 transitions. [2019-11-20 11:38:55,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 11:38:55,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:55,621 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 11:38:55,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:55,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3703 states to 1393 states and 3658 transitions. [2019-11-20 11:38:55,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 3658 transitions. [2019-11-20 11:38:55,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 11:38:55,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:55,796 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 11:38:57,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:57,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3703 states to 1394 states and 3658 transitions. [2019-11-20 11:38:57,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 3658 transitions. [2019-11-20 11:38:57,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 11:38:57,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:57,244 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 11:38:58,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:58,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3711 states to 1397 states and 3666 transitions. [2019-11-20 11:38:58,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 3666 transitions. [2019-11-20 11:38:58,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 11:38:58,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:58,375 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 11:38:59,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:38:59,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3714 states to 1399 states and 3669 transitions. [2019-11-20 11:38:59,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 3669 transitions. [2019-11-20 11:38:59,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 11:38:59,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:38:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:38:59,454 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 11:39:00,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:39:00,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3718 states to 1402 states and 3673 transitions. [2019-11-20 11:39:00,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 3673 transitions. [2019-11-20 11:39:00,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 11:39:00,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:39:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:39:00,268 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 11:39:00,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:39:00,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3721 states to 1404 states and 3676 transitions. [2019-11-20 11:39:00,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 3676 transitions. [2019-11-20 11:39:00,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 11:39:00,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:39:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:39:00,512 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 11:39:00,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:39:00,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3725 states to 1407 states and 3680 transitions. [2019-11-20 11:39:00,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 3680 transitions. [2019-11-20 11:39:00,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 11:39:00,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:39:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:39:00,836 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 11:39:01,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:39:01,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3728 states to 1410 states and 3683 transitions. [2019-11-20 11:39:01,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 3683 transitions. [2019-11-20 11:39:01,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 11:39:01,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:39:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:39:01,775 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 11:39:03,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:39:03,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3731 states to 1413 states and 3686 transitions. [2019-11-20 11:39:03,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 3686 transitions. [2019-11-20 11:39:03,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 11:39:03,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:39:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:39:03,440 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 11:39:05,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:39:05,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3734 states to 1416 states and 3689 transitions. [2019-11-20 11:39:05,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 3689 transitions. [2019-11-20 11:39:05,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 11:39:05,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:39:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:39:05,123 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 11:39:06,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:39:06,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3737 states to 1419 states and 3692 transitions. [2019-11-20 11:39:06,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 3692 transitions. [2019-11-20 11:39:06,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 11:39:06,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:39:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:39:06,566 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 11:39:08,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:39:08,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3741 states to 1422 states and 3696 transitions. [2019-11-20 11:39:08,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 3696 transitions. [2019-11-20 11:39:08,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 11:39:08,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:39:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:39:08,080 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 11:39:08,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:39:08,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3745 states to 1425 states and 3700 transitions. [2019-11-20 11:39:08,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 3700 transitions. [2019-11-20 11:39:08,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 11:39:08,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:39:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:39:08,398 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 11:39:11,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:39:11,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3754 states to 1431 states and 3709 transitions. [2019-11-20 11:39:11,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 3709 transitions. [2019-11-20 11:39:11,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 11:39:11,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:39:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:39:11,350 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 11:39:14,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:39:14,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3763 states to 1437 states and 3718 transitions. [2019-11-20 11:39:14,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 3718 transitions. [2019-11-20 11:39:14,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 11:39:14,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:39:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:39:14,347 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 11:39:17,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:39:17,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3771 states to 1442 states and 3726 transitions. [2019-11-20 11:39:17,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 3726 transitions. [2019-11-20 11:39:17,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 11:39:17,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:39:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:39:17,274 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 11:39:17,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:39:17,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3774 states to 1444 states and 3729 transitions. [2019-11-20 11:39:17,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 3729 transitions. [2019-11-20 11:39:17,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 11:39:17,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:39:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:39:17,545 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 11:39:20,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:39:20,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3782 states to 1449 states and 3737 transitions. [2019-11-20 11:39:20,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 3737 transitions. [2019-11-20 11:39:20,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-20 11:39:20,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:39:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:39:20,567 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 11:39:20,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:39:20,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3785 states to 1451 states and 3740 transitions. [2019-11-20 11:39:20,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 3740 transitions. [2019-11-20 11:39:20,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 11:39:20,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:39:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:39:20,821 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 11:39:21,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:39:21,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3787 states to 1453 states and 3742 transitions. [2019-11-20 11:39:21,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 3742 transitions. [2019-11-20 11:39:21,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-20 11:39:21,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:39:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:39:21,166 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-20 11:39:21,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:39:21,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3789 states to 1455 states and 3744 transitions. [2019-11-20 11:39:21,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 3744 transitions. [2019-11-20 11:39:21,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-20 11:39:21,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:39:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:39:21,432 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 11:39:22,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:39:22,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3804 states to 1464 states and 3757 transitions. [2019-11-20 11:39:22,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 3757 transitions. [2019-11-20 11:39:22,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-20 11:39:22,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:39:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:39:22,764 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 11:39:24,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:39:24,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3821 states to 1473 states and 3772 transitions. [2019-11-20 11:39:24,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 3772 transitions. [2019-11-20 11:39:24,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-20 11:39:24,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:39:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:39:24,594 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 11:39:24,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:39:24,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3836 states to 1482 states and 3785 transitions. [2019-11-20 11:39:24,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 3785 transitions. [2019-11-20 11:39:24,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-20 11:39:24,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:39:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:39:24,856 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 11:39:26,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:39:26,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3851 states to 1491 states and 3798 transitions. [2019-11-20 11:39:26,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 3798 transitions. [2019-11-20 11:39:26,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-11-20 11:39:26,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:39:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:39:26,678 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 11:39:26,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:39:26,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3866 states to 386 states and 797 transitions. [2019-11-20 11:39:26,877 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 797 transitions. [2019-11-20 11:39:26,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 11:39:26,878 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 525 iterations. [2019-11-20 11:39:26,889 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 11:39:27,432 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 32 [2019-11-20 11:39:28,079 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 24 [2019-11-20 11:39:28,232 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 24 [2019-11-20 11:39:28,508 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 25 [2019-11-20 11:39:28,818 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 26 [2019-11-20 11:39:29,030 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2019-11-20 11:39:29,497 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 24 [2019-11-20 11:39:29,795 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 24 [2019-11-20 11:39:30,090 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 11:39:30,094 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 11:39:30,094 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 11:39:30,094 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 11:39:30,094 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 11:39:30,094 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 11:39:30,095 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 11:39:30,095 INFO L569 CodeCheckObserver]: Invariant with dag size 24 [2019-11-20 11:39:30,100 INFO L569 CodeCheckObserver]: Invariant with dag size 24 [2019-11-20 11:39:30,102 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 11:39:30,102 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 11:39:30,102 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 11:39:30,103 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 11:39:30,103 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 11:39:30,103 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 11:39:30,103 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 11:39:30,103 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 11:39:30,104 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 11:39:30,104 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 11:39:30,104 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 11:39:30,104 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 11:39:30,104 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 11:39:30,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 11:39:30 ImpRootNode [2019-11-20 11:39:30,105 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 11:39:30,105 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 11:39:30,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 11:39:30,106 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 11:39:30,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:32:27" (3/4) ... [2019-11-20 11:39:30,115 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 11:39:30,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_mtx_of_isl_pmic [2019-11-20 11:39:30,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2019-11-20 11:39:30,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2019-11-20 11:39:30,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure regulator_unregister [2019-11-20 11:39:30,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2019-11-20 11:39:30,122 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure external_alloc [2019-11-20 11:39:30,122 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_mtx_of_isl_pmic [2019-11-20 11:39:30,122 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rdev_get_drvdata [2019-11-20 11:39:30,122 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure regulator_list_voltage_linear [2019-11-20 11:39:30,140 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 95 nodes and edges [2019-11-20 11:39:30,142 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2019-11-20 11:39:30,144 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 11:39:30,146 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 11:39:30,300 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ed153390-2cb1-4e48-93c7-179a572510b6/bin/ukojak/witness.graphml [2019-11-20 11:39:30,300 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 11:39:30,301 INFO L168 Benchmark]: Toolchain (without parser) took 426074.59 ms. Allocated memory was 1.0 GB in the beginning and 4.8 GB in the end (delta: 3.7 GB). Free memory was 946.1 MB in the beginning and 3.3 GB in the end (delta: -2.3 GB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2019-11-20 11:39:30,302 INFO L168 Benchmark]: CDTParser took 0.89 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:39:30,302 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1138.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.7 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -181.4 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2019-11-20 11:39:30,303 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 11:39:30,303 INFO L168 Benchmark]: Boogie Preprocessor took 124.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 11:39:30,303 INFO L168 Benchmark]: RCFGBuilder took 1938.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 927.5 MB in the end (delta: 189.2 MB). Peak memory consumption was 189.2 MB. Max. memory is 11.5 GB. [2019-11-20 11:39:30,304 INFO L168 Benchmark]: CodeCheck took 422539.89 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.5 GB). Free memory was 927.5 MB in the beginning and 3.4 GB in the end (delta: -2.5 GB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2019-11-20 11:39:30,304 INFO L168 Benchmark]: Witness Printer took 195.17 ms. Allocated memory is still 4.8 GB. Free memory was 3.4 GB in the beginning and 3.3 GB in the end (delta: 90.6 MB). Peak memory consumption was 90.6 MB. Max. memory is 11.5 GB. [2019-11-20 11:39:30,306 INFO L335 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, 103 locations, 1 error locations. Result: SAFE, OverallTime: 419.2s, OverallIterations: 525, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1086346996 SDtfs, -638413610 SDslu, 1065943928 SDs, 0 SdLazy, 2098052050 SolverSat, 213932012 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2784.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 342125 GetRequests, 337434 SyntacticMatches, 2623 SemanticMatches, 2068 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2648500 ImplicationChecksByTransitivity, 378.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 2.1s SsaConstructionTime, 5.2s SatisfiabilityAnalysisTime, 19.2s InterpolantComputationTime, 21527 NumberOfCodeBlocks, 21527 NumberOfCodeBlocksAsserted, 524 NumberOfCheckSat, 21003 ConstructedInterpolants, 0 QuantifiedInterpolants, 2229960 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 524 InterpolantComputations, 430 PerfectInterpolantSequences, 15381/15764 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 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: (((((!(ldv_state_variable_3 == 1) || !(1 == ldv_mutex_cred_guard_mutex_of_signal_struct)) || !(ldv_state_variable_0 == 0)) || !(ldv_state_variable_2 == 1)) || !(1 == ldv_mutex_mutex_of_device)) || !(1 == ldv_mutex_lock)) || !(ldv_mutex_mtx_of_isl_pmic == 1) - InvariantResult [Line: 2489]: Loop Invariant Derived loop invariant: (((((!(1 == ldv_mutex_cred_guard_mutex_of_signal_struct) || !(1 == ldv_mutex_lock)) || !(ldv_state_variable_0 == 0)) || !(ldv_mutex_mtx_of_isl_pmic == 1)) || !(ldv_state_variable_3 == 1)) || !(ldv_state_variable_2 == 1)) || !(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 - 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 0.89 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1138.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.7 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -181.4 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 134.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 124.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1938.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 927.5 MB in the end (delta: 189.2 MB). Peak memory consumption was 189.2 MB. Max. memory is 11.5 GB. * CodeCheck took 422539.89 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.5 GB). Free memory was 927.5 MB in the beginning and 3.4 GB in the end (delta: -2.5 GB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 195.17 ms. Allocated memory is still 4.8 GB. Free memory was 3.4 GB in the beginning and 3.3 GB in the end (delta: 90.6 MB). Peak memory consumption was 90.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...