./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label42_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2c67aee6-c2c4-4ecf-a7b1-ec10f173a672/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2c67aee6-c2c4-4ecf-a7b1-ec10f173a672/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2c67aee6-c2c4-4ecf-a7b1-ec10f173a672/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2c67aee6-c2c4-4ecf-a7b1-ec10f173a672/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label42_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2c67aee6-c2c4-4ecf-a7b1-ec10f173a672/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2c67aee6-c2c4-4ecf-a7b1-ec10f173a672/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a8726e54e507f4e5407a6f1ab8a73f56b359228a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 19:29:06,127 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 19:29:06,128 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 19:29:06,133 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 19:29:06,134 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 19:29:06,134 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 19:29:06,135 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 19:29:06,136 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 19:29:06,136 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 19:29:06,137 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 19:29:06,137 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 19:29:06,137 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 19:29:06,138 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 19:29:06,138 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 19:29:06,139 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 19:29:06,139 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 19:29:06,140 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 19:29:06,141 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 19:29:06,142 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 19:29:06,142 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 19:29:06,143 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 19:29:06,144 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 19:29:06,145 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 19:29:06,145 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 19:29:06,145 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 19:29:06,145 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 19:29:06,146 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 19:29:06,146 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 19:29:06,147 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 19:29:06,147 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 19:29:06,147 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 19:29:06,148 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 19:29:06,148 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 19:29:06,148 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 19:29:06,148 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 19:29:06,149 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 19:29:06,149 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2c67aee6-c2c4-4ecf-a7b1-ec10f173a672/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 19:29:06,156 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 19:29:06,156 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 19:29:06,157 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 19:29:06,157 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 19:29:06,157 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 19:29:06,157 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 19:29:06,158 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 19:29:06,158 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 19:29:06,158 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 19:29:06,158 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 19:29:06,158 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 19:29:06,158 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 19:29:06,158 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 19:29:06,158 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 19:29:06,158 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 19:29:06,158 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 19:29:06,158 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 19:29:06,159 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 19:29:06,159 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 19:29:06,159 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 19:29:06,159 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 19:29:06,159 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 19:29:06,159 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 19:29:06,159 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 19:29:06,159 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 19:29:06,159 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 19:29:06,159 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 19:29:06,160 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 19:29:06,160 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 19:29:06,160 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_2c67aee6-c2c4-4ecf-a7b1-ec10f173a672/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8726e54e507f4e5407a6f1ab8a73f56b359228a [2018-12-08 19:29:06,177 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 19:29:06,183 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 19:29:06,185 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 19:29:06,186 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 19:29:06,186 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 19:29:06,186 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2c67aee6-c2c4-4ecf-a7b1-ec10f173a672/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label42_true-unreach-call_false-termination.c [2018-12-08 19:29:06,226 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2c67aee6-c2c4-4ecf-a7b1-ec10f173a672/bin-2019/ukojak/data/26b096052/1483f48991e8490782ed15b03c43fe64/FLAG8a647df70 [2018-12-08 19:29:06,687 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 19:29:06,688 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2c67aee6-c2c4-4ecf-a7b1-ec10f173a672/sv-benchmarks/c/eca-rers2012/Problem02_label42_true-unreach-call_false-termination.c [2018-12-08 19:29:06,695 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2c67aee6-c2c4-4ecf-a7b1-ec10f173a672/bin-2019/ukojak/data/26b096052/1483f48991e8490782ed15b03c43fe64/FLAG8a647df70 [2018-12-08 19:29:06,703 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2c67aee6-c2c4-4ecf-a7b1-ec10f173a672/bin-2019/ukojak/data/26b096052/1483f48991e8490782ed15b03c43fe64 [2018-12-08 19:29:06,705 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 19:29:06,706 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 19:29:06,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 19:29:06,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 19:29:06,708 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 19:29:06,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:29:06" (1/1) ... [2018-12-08 19:29:06,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1782ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:29:06, skipping insertion in model container [2018-12-08 19:29:06,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:29:06" (1/1) ... [2018-12-08 19:29:06,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 19:29:06,738 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 19:29:06,915 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:29:06,918 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 19:29:06,972 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:29:07,021 INFO L195 MainTranslator]: Completed translation [2018-12-08 19:29:07,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:29:07 WrapperNode [2018-12-08 19:29:07,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 19:29:07,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 19:29:07,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 19:29:07,022 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 19:29:07,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:29:07" (1/1) ... [2018-12-08 19:29:07,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:29:07" (1/1) ... [2018-12-08 19:29:07,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 19:29:07,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 19:29:07,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 19:29:07,061 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 19:29:07,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:29:07" (1/1) ... [2018-12-08 19:29:07,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:29:07" (1/1) ... [2018-12-08 19:29:07,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:29:07" (1/1) ... [2018-12-08 19:29:07,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:29:07" (1/1) ... [2018-12-08 19:29:07,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:29:07" (1/1) ... [2018-12-08 19:29:07,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:29:07" (1/1) ... [2018-12-08 19:29:07,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:29:07" (1/1) ... [2018-12-08 19:29:07,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 19:29:07,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 19:29:07,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 19:29:07,090 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 19:29:07,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:29:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2c67aee6-c2c4-4ecf-a7b1-ec10f173a672/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 19:29:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 19:29:07,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 19:29:08,130 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 19:29:08,130 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 19:29:08,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:29:08 BoogieIcfgContainer [2018-12-08 19:29:08,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 19:29:08,132 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 19:29:08,132 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 19:29:08,141 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 19:29:08,141 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:29:08" (1/1) ... [2018-12-08 19:29:08,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:29:08,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:08,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-08 19:29:08,176 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-08 19:29:08,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-08 19:29:08,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:08,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:08,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:08,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 163 states and 260 transitions. [2018-12-08 19:29:08,726 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 260 transitions. [2018-12-08 19:29:08,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-08 19:29:08,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:08,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:08,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:08,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 167 states and 267 transitions. [2018-12-08 19:29:08,942 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 267 transitions. [2018-12-08 19:29:08,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-08 19:29:08,944 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:08,974 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:09,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:09,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 172 states and 277 transitions. [2018-12-08 19:29:09,068 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 277 transitions. [2018-12-08 19:29:09,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-08 19:29:09,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:09,096 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:09,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:09,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 178 states and 289 transitions. [2018-12-08 19:29:09,220 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 289 transitions. [2018-12-08 19:29:09,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 19:29:09,221 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:09,264 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:09,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:09,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 257 states and 377 transitions. [2018-12-08 19:29:09,693 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 377 transitions. [2018-12-08 19:29:09,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 19:29:09,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:09,706 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:09,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:09,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 260 states and 380 transitions. [2018-12-08 19:29:09,728 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 380 transitions. [2018-12-08 19:29:09,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 19:29:09,729 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:09,740 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:09,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:09,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 263 states and 383 transitions. [2018-12-08 19:29:09,760 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 383 transitions. [2018-12-08 19:29:09,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 19:29:09,760 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:09,774 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 19:29:09,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:09,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 269 states and 393 transitions. [2018-12-08 19:29:09,928 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 393 transitions. [2018-12-08 19:29:09,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 19:29:09,930 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:09,950 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:09,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:09,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 271 states and 395 transitions. [2018-12-08 19:29:09,966 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 395 transitions. [2018-12-08 19:29:09,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 19:29:09,967 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:09,988 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:29:10,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:10,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 272 states and 399 transitions. [2018-12-08 19:29:10,117 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 399 transitions. [2018-12-08 19:29:10,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 19:29:10,118 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:10,137 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:29:10,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:10,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 275 states and 403 transitions. [2018-12-08 19:29:10,201 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 403 transitions. [2018-12-08 19:29:10,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 19:29:10,202 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:10,230 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:29:10,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:10,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 284 states and 413 transitions. [2018-12-08 19:29:10,385 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 413 transitions. [2018-12-08 19:29:10,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 19:29:10,385 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:10,400 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:10,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:10,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 297 states and 427 transitions. [2018-12-08 19:29:10,447 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 427 transitions. [2018-12-08 19:29:10,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 19:29:10,447 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:10,461 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:10,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:10,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 301 states and 432 transitions. [2018-12-08 19:29:10,553 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 432 transitions. [2018-12-08 19:29:10,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 19:29:10,554 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:10,568 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:29:10,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:10,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 306 states and 437 transitions. [2018-12-08 19:29:10,590 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 437 transitions. [2018-12-08 19:29:10,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 19:29:10,590 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:10,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:10,630 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:10,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:10,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 326 states and 460 transitions. [2018-12-08 19:29:10,900 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 460 transitions. [2018-12-08 19:29:10,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 19:29:10,901 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:10,923 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:11,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:11,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 332 states and 468 transitions. [2018-12-08 19:29:11,086 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 468 transitions. [2018-12-08 19:29:11,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 19:29:11,086 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:11,099 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:11,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:11,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 336 states and 475 transitions. [2018-12-08 19:29:11,281 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 475 transitions. [2018-12-08 19:29:11,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 19:29:11,282 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:11,295 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:11,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:11,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 339 states and 479 transitions. [2018-12-08 19:29:11,386 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 479 transitions. [2018-12-08 19:29:11,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 19:29:11,386 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:11,399 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:11,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:11,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 354 states and 495 transitions. [2018-12-08 19:29:11,565 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 495 transitions. [2018-12-08 19:29:11,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-08 19:29:11,566 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:11,631 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:11,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:11,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 372 states and 515 transitions. [2018-12-08 19:29:11,990 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 515 transitions. [2018-12-08 19:29:11,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-08 19:29:11,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:12,016 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:12,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:12,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 375 states and 517 transitions. [2018-12-08 19:29:12,078 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 517 transitions. [2018-12-08 19:29:12,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-08 19:29:12,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:12,135 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 19:29:12,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:12,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 379 states and 523 transitions. [2018-12-08 19:29:12,373 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 523 transitions. [2018-12-08 19:29:12,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-08 19:29:12,373 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:12,593 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:13,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:13,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 411 states and 566 transitions. [2018-12-08 19:29:13,830 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 566 transitions. [2018-12-08 19:29:13,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-08 19:29:13,831 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:13,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:13,845 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:13,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:13,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 416 states and 570 transitions. [2018-12-08 19:29:13,907 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 570 transitions. [2018-12-08 19:29:13,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-08 19:29:13,908 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:13,935 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:13,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:13,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 429 states and 584 transitions. [2018-12-08 19:29:13,999 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 584 transitions. [2018-12-08 19:29:14,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-08 19:29:14,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:14,026 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:14,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:14,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 430 states and 585 transitions. [2018-12-08 19:29:14,042 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 585 transitions. [2018-12-08 19:29:14,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-08 19:29:14,043 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:14,147 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:29:14,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:14,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 440 states and 604 transitions. [2018-12-08 19:29:14,583 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 604 transitions. [2018-12-08 19:29:14,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-08 19:29:14,584 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:14,609 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:29:14,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:14,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 442 states and 609 transitions. [2018-12-08 19:29:14,737 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 609 transitions. [2018-12-08 19:29:14,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-08 19:29:14,738 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:14,794 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:15,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:15,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 461 states and 631 transitions. [2018-12-08 19:29:15,128 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 631 transitions. [2018-12-08 19:29:15,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-08 19:29:15,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:15,145 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:29:15,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:15,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 464 states and 634 transitions. [2018-12-08 19:29:15,163 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 634 transitions. [2018-12-08 19:29:15,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-08 19:29:15,164 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:15,189 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:15,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:15,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 465 states and 635 transitions. [2018-12-08 19:29:15,211 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 635 transitions. [2018-12-08 19:29:15,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-08 19:29:15,212 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:15,223 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 19:29:15,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:15,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 472 states and 642 transitions. [2018-12-08 19:29:15,288 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 642 transitions. [2018-12-08 19:29:15,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-08 19:29:15,289 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:15,308 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:29:15,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:15,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 485 states and 656 transitions. [2018-12-08 19:29:15,441 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 656 transitions. [2018-12-08 19:29:15,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-08 19:29:15,442 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:15,471 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:16,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:16,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 512 states and 689 transitions. [2018-12-08 19:29:16,072 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 689 transitions. [2018-12-08 19:29:16,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-08 19:29:16,072 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:16,127 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:16,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:16,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 520 states and 698 transitions. [2018-12-08 19:29:16,497 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 698 transitions. [2018-12-08 19:29:16,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-08 19:29:16,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:16,557 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:29:16,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:16,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 528 states and 711 transitions. [2018-12-08 19:29:16,715 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 711 transitions. [2018-12-08 19:29:16,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-08 19:29:16,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:16,731 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 19:29:16,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:16,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 533 states and 717 transitions. [2018-12-08 19:29:16,871 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 717 transitions. [2018-12-08 19:29:16,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-08 19:29:16,872 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:16,887 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:16,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:16,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 552 states and 738 transitions. [2018-12-08 19:29:16,945 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 738 transitions. [2018-12-08 19:29:16,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-08 19:29:16,945 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:16,975 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:17,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:17,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 556 states and 749 transitions. [2018-12-08 19:29:17,209 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 749 transitions. [2018-12-08 19:29:17,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-08 19:29:17,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:17,264 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:17,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:17,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 570 states and 765 transitions. [2018-12-08 19:29:17,555 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 765 transitions. [2018-12-08 19:29:17,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-08 19:29:17,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:17,583 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:29:17,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:17,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 575 states and 772 transitions. [2018-12-08 19:29:17,719 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 772 transitions. [2018-12-08 19:29:17,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-08 19:29:17,720 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:17,849 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 52 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 19:29:18,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:18,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 619 states and 834 transitions. [2018-12-08 19:29:18,874 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 834 transitions. [2018-12-08 19:29:18,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-08 19:29:18,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:18,949 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 52 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 19:29:19,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:19,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 637 states and 854 transitions. [2018-12-08 19:29:19,356 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 854 transitions. [2018-12-08 19:29:19,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 19:29:19,357 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:19,420 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:20,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:20,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 653 states and 874 transitions. [2018-12-08 19:29:20,859 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 874 transitions. [2018-12-08 19:29:20,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-08 19:29:20,860 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:20,931 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:21,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:21,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 664 states and 885 transitions. [2018-12-08 19:29:21,113 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 885 transitions. [2018-12-08 19:29:21,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-08 19:29:21,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:21,168 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:21,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:21,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 674 states and 894 transitions. [2018-12-08 19:29:21,364 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 894 transitions. [2018-12-08 19:29:21,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-08 19:29:21,365 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:21,429 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 19:29:21,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:21,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 677 states and 897 transitions. [2018-12-08 19:29:21,445 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 897 transitions. [2018-12-08 19:29:21,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-08 19:29:21,446 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:21,461 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 19:29:21,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:21,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 682 states and 903 transitions. [2018-12-08 19:29:21,633 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 903 transitions. [2018-12-08 19:29:21,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 19:29:21,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:21,655 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 19:29:21,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:21,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 687 states and 907 transitions. [2018-12-08 19:29:21,806 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 907 transitions. [2018-12-08 19:29:21,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 19:29:21,807 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:21,836 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 19:29:21,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:21,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 688 states and 909 transitions. [2018-12-08 19:29:21,930 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 909 transitions. [2018-12-08 19:29:21,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 19:29:21,931 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:21,952 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-08 19:29:22,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:22,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 709 states and 934 transitions. [2018-12-08 19:29:22,440 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 934 transitions. [2018-12-08 19:29:22,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-08 19:29:22,441 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:22,458 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 19:29:22,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:22,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 736 states and 965 transitions. [2018-12-08 19:29:22,827 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 965 transitions. [2018-12-08 19:29:22,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-08 19:29:22,828 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:22,844 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-08 19:29:22,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:22,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 737 states and 965 transitions. [2018-12-08 19:29:22,856 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 965 transitions. [2018-12-08 19:29:22,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-08 19:29:22,856 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:22,879 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 19:29:22,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:22,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 738 states and 966 transitions. [2018-12-08 19:29:22,962 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 966 transitions. [2018-12-08 19:29:22,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-08 19:29:22,963 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:22,979 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 19:29:23,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:23,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 747 states and 975 transitions. [2018-12-08 19:29:23,388 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 975 transitions. [2018-12-08 19:29:23,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-08 19:29:23,388 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:23,410 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:23,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:23,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 763 states and 994 transitions. [2018-12-08 19:29:23,484 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 994 transitions. [2018-12-08 19:29:23,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-08 19:29:23,484 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:23,501 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-08 19:29:23,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:23,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 774 states and 1006 transitions. [2018-12-08 19:29:23,758 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1006 transitions. [2018-12-08 19:29:23,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-08 19:29:23,758 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:23,774 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-08 19:29:23,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:23,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 775 states and 1007 transitions. [2018-12-08 19:29:23,862 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1007 transitions. [2018-12-08 19:29:23,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-08 19:29:23,862 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:23,880 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:23,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:23,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 779 states and 1012 transitions. [2018-12-08 19:29:23,976 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1012 transitions. [2018-12-08 19:29:23,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 19:29:23,976 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:23,994 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 19:29:24,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:24,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 801 states and 1033 transitions. [2018-12-08 19:29:24,130 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1033 transitions. [2018-12-08 19:29:24,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-08 19:29:24,130 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:24,188 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:24,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:24,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 838 states and 1072 transitions. [2018-12-08 19:29:24,378 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1072 transitions. [2018-12-08 19:29:24,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-08 19:29:24,379 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:24,395 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-08 19:29:24,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:24,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 843 states and 1077 transitions. [2018-12-08 19:29:24,645 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1077 transitions. [2018-12-08 19:29:24,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 19:29:24,646 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:24,723 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 19:29:25,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:25,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 864 states and 1113 transitions. [2018-12-08 19:29:25,488 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1113 transitions. [2018-12-08 19:29:25,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 19:29:25,488 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:25,556 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 19:29:25,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:25,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 869 states and 1118 transitions. [2018-12-08 19:29:25,866 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1118 transitions. [2018-12-08 19:29:25,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 19:29:25,867 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:25,931 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 19:29:26,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:26,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 874 states and 1124 transitions. [2018-12-08 19:29:26,090 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1124 transitions. [2018-12-08 19:29:26,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 19:29:26,091 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:26,159 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 19:29:26,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:26,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 877 states and 1126 transitions. [2018-12-08 19:29:26,351 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1126 transitions. [2018-12-08 19:29:26,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 19:29:26,352 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:26,370 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 19:29:26,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:26,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 886 states and 1135 transitions. [2018-12-08 19:29:26,408 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1135 transitions. [2018-12-08 19:29:26,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 19:29:26,409 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:26,437 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:27,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:27,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 933 states and 1186 transitions. [2018-12-08 19:29:27,267 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1186 transitions. [2018-12-08 19:29:27,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 19:29:27,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:27,284 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 19:29:27,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:27,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 940 states and 1192 transitions. [2018-12-08 19:29:27,557 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1192 transitions. [2018-12-08 19:29:27,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 19:29:27,557 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:27,626 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:27,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:27,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 952 states and 1205 transitions. [2018-12-08 19:29:27,767 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1205 transitions. [2018-12-08 19:29:27,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-08 19:29:27,767 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:27,788 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:28,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:28,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 978 states and 1236 transitions. [2018-12-08 19:29:28,048 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1236 transitions. [2018-12-08 19:29:28,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-08 19:29:28,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:28,073 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 19:29:28,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:28,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 982 states and 1242 transitions. [2018-12-08 19:29:28,423 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1242 transitions. [2018-12-08 19:29:28,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 19:29:28,424 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:28,484 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:29:29,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:29,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1000 states and 1264 transitions. [2018-12-08 19:29:29,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1264 transitions. [2018-12-08 19:29:29,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 19:29:29,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:29,344 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:29:29,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:29,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1003 states and 1267 transitions. [2018-12-08 19:29:29,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1267 transitions. [2018-12-08 19:29:29,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 19:29:29,504 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:29,577 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:29,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:29,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1007 states and 1272 transitions. [2018-12-08 19:29:29,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1272 transitions. [2018-12-08 19:29:29,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-08 19:29:29,943 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:30,030 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:30,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:30,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 1018 states and 1283 transitions. [2018-12-08 19:29:30,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1283 transitions. [2018-12-08 19:29:30,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-08 19:29:30,194 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:30,265 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 99 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-08 19:29:30,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:30,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1023 states and 1287 transitions. [2018-12-08 19:29:30,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1287 transitions. [2018-12-08 19:29:30,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-08 19:29:30,455 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:30,476 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 19:29:30,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:30,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1036 states and 1300 transitions. [2018-12-08 19:29:30,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1300 transitions. [2018-12-08 19:29:30,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 19:29:30,733 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:30,761 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:31,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:31,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1060 states and 1326 transitions. [2018-12-08 19:29:31,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1326 transitions. [2018-12-08 19:29:31,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 19:29:31,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:31,196 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:31,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:31,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1080 states and 1344 transitions. [2018-12-08 19:29:31,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1344 transitions. [2018-12-08 19:29:31,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 19:29:31,430 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:31,467 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 19:29:31,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:31,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1085 states and 1353 transitions. [2018-12-08 19:29:31,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1353 transitions. [2018-12-08 19:29:31,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-12-08 19:29:31,782 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:31,804 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:29:32,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:32,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1100 states and 1368 transitions. [2018-12-08 19:29:32,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1368 transitions. [2018-12-08 19:29:32,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-08 19:29:32,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:32,203 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 19:29:33,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:33,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1144 states and 1424 transitions. [2018-12-08 19:29:33,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1424 transitions. [2018-12-08 19:29:33,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-08 19:29:33,541 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:33,581 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 19:29:34,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:34,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1179 states and 1471 transitions. [2018-12-08 19:29:34,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1471 transitions. [2018-12-08 19:29:34,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-08 19:29:34,666 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:34,710 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 19:29:34,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:34,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1180 states and 1471 transitions. [2018-12-08 19:29:34,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1471 transitions. [2018-12-08 19:29:34,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-08 19:29:34,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:34,958 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-08 19:29:35,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:35,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 1196 states and 1487 transitions. [2018-12-08 19:29:35,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1487 transitions. [2018-12-08 19:29:35,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-08 19:29:35,005 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:35,028 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-08 19:29:35,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:35,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1205 states and 1495 transitions. [2018-12-08 19:29:35,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1495 transitions. [2018-12-08 19:29:35,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-08 19:29:35,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:35,083 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-08 19:29:35,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:35,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1206 states and 1499 transitions. [2018-12-08 19:29:35,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1499 transitions. [2018-12-08 19:29:35,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-08 19:29:35,221 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:35,243 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-08 19:29:35,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:35,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1211 states and 1504 transitions. [2018-12-08 19:29:35,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1504 transitions. [2018-12-08 19:29:35,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-08 19:29:35,676 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:35,699 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-08 19:29:35,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:35,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1214 states and 1506 transitions. [2018-12-08 19:29:35,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1506 transitions. [2018-12-08 19:29:35,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-08 19:29:35,810 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:35,833 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-08 19:29:35,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:35,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1220 states and 1511 transitions. [2018-12-08 19:29:35,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1511 transitions. [2018-12-08 19:29:35,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-08 19:29:35,939 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:35,961 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-08 19:29:36,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:36,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1225 states and 1515 transitions. [2018-12-08 19:29:36,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1515 transitions. [2018-12-08 19:29:36,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-08 19:29:36,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:36,231 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 19:29:36,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:36,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1235 states and 1527 transitions. [2018-12-08 19:29:36,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1527 transitions. [2018-12-08 19:29:36,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-08 19:29:36,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:36,484 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-08 19:29:36,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:36,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1242 states and 1534 transitions. [2018-12-08 19:29:36,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1242 states and 1534 transitions. [2018-12-08 19:29:36,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-08 19:29:36,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:36,776 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-08 19:29:37,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:37,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1245 states and 1537 transitions. [2018-12-08 19:29:37,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1537 transitions. [2018-12-08 19:29:37,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-08 19:29:37,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:37,045 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 19:29:37,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:37,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1268 states and 1563 transitions. [2018-12-08 19:29:37,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1563 transitions. [2018-12-08 19:29:37,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-08 19:29:37,945 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:37,971 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 19:29:38,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:38,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1269 states and 1563 transitions. [2018-12-08 19:29:38,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1563 transitions. [2018-12-08 19:29:38,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 19:29:38,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:38,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:38,233 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-08 19:29:38,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:38,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1271 states and 1565 transitions. [2018-12-08 19:29:38,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1565 transitions. [2018-12-08 19:29:38,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-08 19:29:38,357 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:38,463 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:39,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:39,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1286 states and 1587 transitions. [2018-12-08 19:29:39,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1587 transitions. [2018-12-08 19:29:39,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-08 19:29:39,361 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:39,386 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:39,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:39,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1288 states and 1588 transitions. [2018-12-08 19:29:39,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1588 transitions. [2018-12-08 19:29:39,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-08 19:29:39,619 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:39,647 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:29:39,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:39,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1297 states and 1597 transitions. [2018-12-08 19:29:39,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1597 transitions. [2018-12-08 19:29:39,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-08 19:29:39,903 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:39,936 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:29:41,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:41,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1333 states and 1640 transitions. [2018-12-08 19:29:41,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1640 transitions. [2018-12-08 19:29:41,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-08 19:29:41,511 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:41,536 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:29:41,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:41,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1343 states and 1648 transitions. [2018-12-08 19:29:41,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1648 transitions. [2018-12-08 19:29:41,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-08 19:29:41,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:41,993 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:29:42,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:42,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1364 states and 1669 transitions. [2018-12-08 19:29:42,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1669 transitions. [2018-12-08 19:29:42,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-08 19:29:42,059 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:42,083 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:29:42,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:42,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1375 states and 1680 transitions. [2018-12-08 19:29:42,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 1680 transitions. [2018-12-08 19:29:42,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-08 19:29:42,238 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:42,270 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:29:42,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:42,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1386 states and 1690 transitions. [2018-12-08 19:29:42,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 1690 transitions. [2018-12-08 19:29:42,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-08 19:29:42,416 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:42,496 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 118 proven. 8 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-08 19:29:43,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:43,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 1413 states and 1726 transitions. [2018-12-08 19:29:43,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 1726 transitions. [2018-12-08 19:29:43,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-08 19:29:43,189 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:43,295 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 118 proven. 8 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-08 19:29:43,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:43,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1430 states and 1743 transitions. [2018-12-08 19:29:43,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 1743 transitions. [2018-12-08 19:29:43,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-08 19:29:43,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:43,644 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 118 proven. 8 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-08 19:29:44,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:44,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1450 states and 1761 transitions. [2018-12-08 19:29:44,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 1761 transitions. [2018-12-08 19:29:44,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-08 19:29:44,133 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:44,215 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 118 proven. 8 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-08 19:29:44,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:44,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1782 states to 1472 states and 1782 transitions. [2018-12-08 19:29:44,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 1782 transitions. [2018-12-08 19:29:44,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 19:29:44,505 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:44,533 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 19:29:44,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:44,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1499 states and 1808 transitions. [2018-12-08 19:29:44,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 1808 transitions. [2018-12-08 19:29:44,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 19:29:44,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:44,639 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 19:29:44,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:44,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1514 states and 1822 transitions. [2018-12-08 19:29:44,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 1822 transitions. [2018-12-08 19:29:44,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-08 19:29:44,797 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:44,885 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 130 proven. 10 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-08 19:29:46,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:46,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 1575 states and 1889 transitions. [2018-12-08 19:29:46,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 1889 transitions. [2018-12-08 19:29:46,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-08 19:29:46,404 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:46,427 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 19:29:46,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:46,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 1586 states and 1903 transitions. [2018-12-08 19:29:46,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 1903 transitions. [2018-12-08 19:29:46,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-08 19:29:46,837 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:46,861 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 19:29:47,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:47,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 1589 states and 1907 transitions. [2018-12-08 19:29:47,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 1907 transitions. [2018-12-08 19:29:47,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-08 19:29:47,111 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:47,133 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 19:29:47,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:47,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1600 states and 1917 transitions. [2018-12-08 19:29:47,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 1917 transitions. [2018-12-08 19:29:47,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-08 19:29:47,348 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:47,375 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 19:29:47,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:47,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 1612 states and 1931 transitions. [2018-12-08 19:29:47,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 1931 transitions. [2018-12-08 19:29:47,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-08 19:29:47,423 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:47,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:47,466 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 126 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 19:29:47,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:47,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1632 states and 1954 transitions. [2018-12-08 19:29:47,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 1954 transitions. [2018-12-08 19:29:47,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-08 19:29:47,991 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:48,052 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 126 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 19:29:48,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:48,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 1635 states and 1957 transitions. [2018-12-08 19:29:48,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 1957 transitions. [2018-12-08 19:29:48,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-08 19:29:48,320 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:48,347 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 19:29:48,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:48,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1999 states to 1677 states and 1999 transitions. [2018-12-08 19:29:48,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states and 1999 transitions. [2018-12-08 19:29:48,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-08 19:29:48,468 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:48,493 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 19:29:48,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:48,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 1685 states and 2006 transitions. [2018-12-08 19:29:48,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1685 states and 2006 transitions. [2018-12-08 19:29:48,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-08 19:29:48,733 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:48,763 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-08 19:29:48,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:48,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2014 states to 1694 states and 2014 transitions. [2018-12-08 19:29:48,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 2014 transitions. [2018-12-08 19:29:48,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-08 19:29:48,929 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:48,958 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 131 proven. 15 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 19:29:49,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:49,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2043 states to 1721 states and 2043 transitions. [2018-12-08 19:29:49,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2043 transitions. [2018-12-08 19:29:49,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-08 19:29:49,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:49,690 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 131 proven. 15 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 19:29:49,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:49,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2043 states to 1722 states and 2043 transitions. [2018-12-08 19:29:49,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 2043 transitions. [2018-12-08 19:29:49,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-08 19:29:49,815 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:49,844 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 131 proven. 15 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 19:29:49,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:49,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2043 states to 1723 states and 2043 transitions. [2018-12-08 19:29:49,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1723 states and 2043 transitions. [2018-12-08 19:29:49,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-08 19:29:49,969 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:50,017 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 19:29:50,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:50,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2077 states to 1756 states and 2077 transitions. [2018-12-08 19:29:50,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 2077 transitions. [2018-12-08 19:29:50,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-08 19:29:50,102 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:50,131 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 19:29:50,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:50,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2086 states to 1762 states and 2086 transitions. [2018-12-08 19:29:50,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2086 transitions. [2018-12-08 19:29:50,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-08 19:29:50,170 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:50,198 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 19:29:50,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:50,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2090 states to 1766 states and 2090 transitions. [2018-12-08 19:29:50,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 2090 transitions. [2018-12-08 19:29:50,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-08 19:29:50,442 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:50,470 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 19:29:50,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:50,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2094 states to 1770 states and 2094 transitions. [2018-12-08 19:29:50,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2094 transitions. [2018-12-08 19:29:50,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-08 19:29:50,617 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:50,646 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 19:29:51,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:51,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 1774 states and 2098 transitions. [2018-12-08 19:29:51,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1774 states and 2098 transitions. [2018-12-08 19:29:51,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-12-08 19:29:51,251 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:51,282 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-08 19:29:51,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:51,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2110 states to 1787 states and 2110 transitions. [2018-12-08 19:29:51,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1787 states and 2110 transitions. [2018-12-08 19:29:51,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-08 19:29:51,656 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:51,689 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-08 19:29:52,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:52,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 1795 states and 2125 transitions. [2018-12-08 19:29:52,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1795 states and 2125 transitions. [2018-12-08 19:29:52,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 19:29:52,336 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:53,113 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 19:29:56,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:56,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 1908 states and 2239 transitions. [2018-12-08 19:29:56,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1908 states and 2239 transitions. [2018-12-08 19:29:56,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-08 19:29:56,642 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:56,693 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 148 proven. 4 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-08 19:29:57,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:57,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2329 states to 1991 states and 2329 transitions. [2018-12-08 19:29:57,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1991 states and 2329 transitions. [2018-12-08 19:29:57,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-08 19:29:57,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:57,654 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 19:29:57,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:29:57,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2336 states to 1999 states and 2336 transitions. [2018-12-08 19:29:57,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 2336 transitions. [2018-12-08 19:29:57,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-08 19:29:57,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:29:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:29:58,782 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-08 19:30:01,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:01,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2399 states to 2061 states and 2399 transitions. [2018-12-08 19:30:01,417 INFO L276 IsEmpty]: Start isEmpty. Operand 2061 states and 2399 transitions. [2018-12-08 19:30:01,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-12-08 19:30:01,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:02,338 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-12-08 19:30:06,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:06,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2130 states and 2467 transitions. [2018-12-08 19:30:06,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 2467 transitions. [2018-12-08 19:30:06,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-08 19:30:06,677 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:07,144 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 19:30:08,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:08,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2546 states to 2202 states and 2546 transitions. [2018-12-08 19:30:08,801 INFO L276 IsEmpty]: Start isEmpty. Operand 2202 states and 2546 transitions. [2018-12-08 19:30:08,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-08 19:30:08,802 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:08,904 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-08 19:30:09,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:09,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2602 states to 2259 states and 2602 transitions. [2018-12-08 19:30:09,931 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 2602 transitions. [2018-12-08 19:30:09,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-08 19:30:09,932 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:10,018 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-08 19:30:10,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:10,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2626 states to 2284 states and 2626 transitions. [2018-12-08 19:30:10,797 INFO L276 IsEmpty]: Start isEmpty. Operand 2284 states and 2626 transitions. [2018-12-08 19:30:10,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-08 19:30:10,799 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:10,875 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-08 19:30:11,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:11,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2295 states and 2636 transitions. [2018-12-08 19:30:11,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 2636 transitions. [2018-12-08 19:30:11,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-08 19:30:11,191 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:11,263 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-08 19:30:11,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:11,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 2304 states and 2644 transitions. [2018-12-08 19:30:11,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 2644 transitions. [2018-12-08 19:30:11,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-08 19:30:11,328 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:11,432 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-08 19:30:11,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:11,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 2325 states and 2664 transitions. [2018-12-08 19:30:11,515 INFO L276 IsEmpty]: Start isEmpty. Operand 2325 states and 2664 transitions. [2018-12-08 19:30:11,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 19:30:11,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:12,331 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-12-08 19:30:16,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:16,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2745 states to 2403 states and 2745 transitions. [2018-12-08 19:30:16,978 INFO L276 IsEmpty]: Start isEmpty. Operand 2403 states and 2745 transitions. [2018-12-08 19:30:16,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 19:30:16,979 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:17,086 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-12-08 19:30:17,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:17,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 2411 states and 2752 transitions. [2018-12-08 19:30:17,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2411 states and 2752 transitions. [2018-12-08 19:30:17,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-08 19:30:17,829 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:18,030 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-12-08 19:30:19,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:19,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2809 states to 2464 states and 2809 transitions. [2018-12-08 19:30:19,550 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 2809 transitions. [2018-12-08 19:30:19,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-08 19:30:19,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:19,672 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-12-08 19:30:20,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:20,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2489 states and 2831 transitions. [2018-12-08 19:30:20,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2489 states and 2831 transitions. [2018-12-08 19:30:20,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-08 19:30:20,444 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:21,821 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-12-08 19:30:24,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:24,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2564 states and 2909 transitions. [2018-12-08 19:30:24,586 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 2909 transitions. [2018-12-08 19:30:24,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-08 19:30:24,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:24,726 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-12-08 19:30:25,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:25,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2572 states and 2916 transitions. [2018-12-08 19:30:25,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2572 states and 2916 transitions. [2018-12-08 19:30:25,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-08 19:30:25,189 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:25,235 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-12-08 19:30:25,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:25,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2576 states and 2920 transitions. [2018-12-08 19:30:25,532 INFO L276 IsEmpty]: Start isEmpty. Operand 2576 states and 2920 transitions. [2018-12-08 19:30:25,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-08 19:30:25,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:25,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:25,580 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-08 19:30:25,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:25,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2579 states and 2923 transitions. [2018-12-08 19:30:25,615 INFO L276 IsEmpty]: Start isEmpty. Operand 2579 states and 2923 transitions. [2018-12-08 19:30:25,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-12-08 19:30:25,616 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:26,639 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 304 proven. 61 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 19:30:30,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:30,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2984 states to 2624 states and 2984 transitions. [2018-12-08 19:30:30,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 2984 transitions. [2018-12-08 19:30:30,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-12-08 19:30:30,392 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:30,555 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 304 proven. 61 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 19:30:33,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:33,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2999 states to 2636 states and 2999 transitions. [2018-12-08 19:30:33,542 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 2999 transitions. [2018-12-08 19:30:33,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-12-08 19:30:33,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:33,705 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 304 proven. 61 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 19:30:34,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:34,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3018 states to 2655 states and 3018 transitions. [2018-12-08 19:30:34,448 INFO L276 IsEmpty]: Start isEmpty. Operand 2655 states and 3018 transitions. [2018-12-08 19:30:34,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-08 19:30:34,449 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:35,091 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 306 proven. 68 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 19:30:39,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:39,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 2695 states and 3074 transitions. [2018-12-08 19:30:39,511 INFO L276 IsEmpty]: Start isEmpty. Operand 2695 states and 3074 transitions. [2018-12-08 19:30:39,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-08 19:30:39,512 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:39,714 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 306 proven. 68 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 19:30:43,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:43,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3092 states to 2708 states and 3092 transitions. [2018-12-08 19:30:43,597 INFO L276 IsEmpty]: Start isEmpty. Operand 2708 states and 3092 transitions. [2018-12-08 19:30:43,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-08 19:30:43,599 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:43,847 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 306 proven. 68 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 19:30:44,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:44,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3111 states to 2727 states and 3111 transitions. [2018-12-08 19:30:44,681 INFO L276 IsEmpty]: Start isEmpty. Operand 2727 states and 3111 transitions. [2018-12-08 19:30:44,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-12-08 19:30:44,682 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:44,731 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-12-08 19:30:44,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:44,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3115 states to 2732 states and 3115 transitions. [2018-12-08 19:30:44,772 INFO L276 IsEmpty]: Start isEmpty. Operand 2732 states and 3115 transitions. [2018-12-08 19:30:44,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-08 19:30:44,774 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:45,000 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-08 19:30:47,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:47,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3163 states to 2755 states and 3163 transitions. [2018-12-08 19:30:47,801 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 3163 transitions. [2018-12-08 19:30:47,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-08 19:30:47,803 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:48,117 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 367 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-08 19:30:49,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:49,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3206 states to 2786 states and 3206 transitions. [2018-12-08 19:30:49,664 INFO L276 IsEmpty]: Start isEmpty. Operand 2786 states and 3206 transitions. [2018-12-08 19:30:49,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-08 19:30:49,666 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:49,772 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 367 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-08 19:30:50,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:50,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3224 states to 2802 states and 3224 transitions. [2018-12-08 19:30:50,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2802 states and 3224 transitions. [2018-12-08 19:30:50,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-08 19:30:50,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:50,536 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 367 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-08 19:30:50,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:50,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3226 states to 2805 states and 3226 transitions. [2018-12-08 19:30:50,969 INFO L276 IsEmpty]: Start isEmpty. Operand 2805 states and 3226 transitions. [2018-12-08 19:30:50,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-08 19:30:50,971 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:51,091 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 367 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-08 19:30:51,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:51,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3230 states to 2810 states and 3230 transitions. [2018-12-08 19:30:51,523 INFO L276 IsEmpty]: Start isEmpty. Operand 2810 states and 3230 transitions. [2018-12-08 19:30:51,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-08 19:30:51,525 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:51,820 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-12-08 19:30:52,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:52,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3233 states to 2812 states and 3233 transitions. [2018-12-08 19:30:52,043 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 3233 transitions. [2018-12-08 19:30:52,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-08 19:30:52,044 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:52,142 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 349 proven. 1 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-12-08 19:30:56,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:56,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3292 states to 2861 states and 3292 transitions. [2018-12-08 19:30:56,550 INFO L276 IsEmpty]: Start isEmpty. Operand 2861 states and 3292 transitions. [2018-12-08 19:30:56,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-08 19:30:56,551 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:56,677 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 349 proven. 1 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-12-08 19:30:58,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:30:58,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3317 states to 2888 states and 3317 transitions. [2018-12-08 19:30:58,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2888 states and 3317 transitions. [2018-12-08 19:30:58,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-08 19:30:58,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:30:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:30:58,962 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-08 19:31:00,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:00,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3350 states to 2915 states and 3350 transitions. [2018-12-08 19:31:00,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2915 states and 3350 transitions. [2018-12-08 19:31:00,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-08 19:31:00,570 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:00,702 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-08 19:31:03,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:03,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3397 states to 2966 states and 3397 transitions. [2018-12-08 19:31:03,261 INFO L276 IsEmpty]: Start isEmpty. Operand 2966 states and 3397 transitions. [2018-12-08 19:31:03,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-08 19:31:03,263 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:03,410 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 359 proven. 4 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-12-08 19:31:04,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:04,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3451 states to 3018 states and 3451 transitions. [2018-12-08 19:31:04,515 INFO L276 IsEmpty]: Start isEmpty. Operand 3018 states and 3451 transitions. [2018-12-08 19:31:04,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-08 19:31:04,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:04,634 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 359 proven. 4 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-12-08 19:31:04,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:04,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3455 states to 3022 states and 3455 transitions. [2018-12-08 19:31:04,892 INFO L276 IsEmpty]: Start isEmpty. Operand 3022 states and 3455 transitions. [2018-12-08 19:31:04,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-12-08 19:31:04,893 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:04,985 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2018-12-08 19:31:05,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:05,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3459 states to 3026 states and 3459 transitions. [2018-12-08 19:31:05,473 INFO L276 IsEmpty]: Start isEmpty. Operand 3026 states and 3459 transitions. [2018-12-08 19:31:05,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-12-08 19:31:05,475 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:05,566 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2018-12-08 19:31:06,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:06,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3463 states to 3030 states and 3463 transitions. [2018-12-08 19:31:06,092 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3463 transitions. [2018-12-08 19:31:06,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-12-08 19:31:06,093 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:06,187 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2018-12-08 19:31:06,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:06,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3467 states to 3034 states and 3467 transitions. [2018-12-08 19:31:06,957 INFO L276 IsEmpty]: Start isEmpty. Operand 3034 states and 3467 transitions. [2018-12-08 19:31:06,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-12-08 19:31:06,958 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:07,017 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 412 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-12-08 19:31:07,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:07,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3471 states to 3039 states and 3471 transitions. [2018-12-08 19:31:07,417 INFO L276 IsEmpty]: Start isEmpty. Operand 3039 states and 3471 transitions. [2018-12-08 19:31:07,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-08 19:31:07,418 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:07,559 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 439 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-08 19:31:10,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:10,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3493 states to 3058 states and 3493 transitions. [2018-12-08 19:31:10,224 INFO L276 IsEmpty]: Start isEmpty. Operand 3058 states and 3493 transitions. [2018-12-08 19:31:10,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-08 19:31:10,226 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:10,373 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 439 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-08 19:31:10,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:10,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3496 states to 3061 states and 3496 transitions. [2018-12-08 19:31:10,689 INFO L276 IsEmpty]: Start isEmpty. Operand 3061 states and 3496 transitions. [2018-12-08 19:31:10,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-08 19:31:10,691 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:10,801 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 469 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-12-08 19:31:11,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:11,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3508 states to 3074 states and 3508 transitions. [2018-12-08 19:31:11,150 INFO L276 IsEmpty]: Start isEmpty. Operand 3074 states and 3508 transitions. [2018-12-08 19:31:11,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-12-08 19:31:11,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:11,252 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 452 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2018-12-08 19:31:13,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:13,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3522 states to 3086 states and 3522 transitions. [2018-12-08 19:31:13,246 INFO L276 IsEmpty]: Start isEmpty. Operand 3086 states and 3522 transitions. [2018-12-08 19:31:13,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-12-08 19:31:13,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:13,351 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 452 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2018-12-08 19:31:14,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:14,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3535 states to 3097 states and 3535 transitions. [2018-12-08 19:31:14,169 INFO L276 IsEmpty]: Start isEmpty. Operand 3097 states and 3535 transitions. [2018-12-08 19:31:14,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-12-08 19:31:14,171 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:14,267 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 452 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2018-12-08 19:31:14,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:14,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3535 states to 3098 states and 3535 transitions. [2018-12-08 19:31:14,679 INFO L276 IsEmpty]: Start isEmpty. Operand 3098 states and 3535 transitions. [2018-12-08 19:31:14,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-12-08 19:31:14,681 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:14,784 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 452 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2018-12-08 19:31:15,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:15,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 3107 states and 3544 transitions. [2018-12-08 19:31:15,223 INFO L276 IsEmpty]: Start isEmpty. Operand 3107 states and 3544 transitions. [2018-12-08 19:31:15,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2018-12-08 19:31:15,225 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:15,293 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 397 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2018-12-08 19:31:15,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:15,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3551 states to 3115 states and 3551 transitions. [2018-12-08 19:31:15,349 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 3551 transitions. [2018-12-08 19:31:15,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2018-12-08 19:31:15,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:15,468 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 538 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-12-08 19:31:17,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:17,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3576 states to 3139 states and 3576 transitions. [2018-12-08 19:31:17,207 INFO L276 IsEmpty]: Start isEmpty. Operand 3139 states and 3576 transitions. [2018-12-08 19:31:17,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-08 19:31:17,208 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:17,392 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 608 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-08 19:31:23,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:23,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3667 states to 3202 states and 3667 transitions. [2018-12-08 19:31:23,614 INFO L276 IsEmpty]: Start isEmpty. Operand 3202 states and 3667 transitions. [2018-12-08 19:31:23,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-08 19:31:23,616 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:23,844 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 608 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-08 19:31:29,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:29,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3697 states to 3226 states and 3697 transitions. [2018-12-08 19:31:29,422 INFO L276 IsEmpty]: Start isEmpty. Operand 3226 states and 3697 transitions. [2018-12-08 19:31:29,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-08 19:31:29,425 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:29,622 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 608 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-08 19:31:31,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:31,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3705 states to 3230 states and 3705 transitions. [2018-12-08 19:31:31,071 INFO L276 IsEmpty]: Start isEmpty. Operand 3230 states and 3705 transitions. [2018-12-08 19:31:31,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-08 19:31:31,073 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:31,259 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 608 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-08 19:31:33,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:33,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3745 states to 3270 states and 3745 transitions. [2018-12-08 19:31:33,283 INFO L276 IsEmpty]: Start isEmpty. Operand 3270 states and 3745 transitions. [2018-12-08 19:31:33,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-08 19:31:33,285 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:33,466 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 608 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-08 19:31:34,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:34,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3755 states to 3281 states and 3755 transitions. [2018-12-08 19:31:34,044 INFO L276 IsEmpty]: Start isEmpty. Operand 3281 states and 3755 transitions. [2018-12-08 19:31:34,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-08 19:31:34,046 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:34,245 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 608 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-08 19:31:34,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:34,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3765 states to 3292 states and 3765 transitions. [2018-12-08 19:31:34,682 INFO L276 IsEmpty]: Start isEmpty. Operand 3292 states and 3765 transitions. [2018-12-08 19:31:34,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-08 19:31:34,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:34,862 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 608 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-08 19:31:35,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:35,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3783 states to 3307 states and 3783 transitions. [2018-12-08 19:31:35,039 INFO L276 IsEmpty]: Start isEmpty. Operand 3307 states and 3783 transitions. [2018-12-08 19:31:35,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-08 19:31:35,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:35,219 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 608 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-08 19:31:35,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:35,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3791 states to 3316 states and 3791 transitions. [2018-12-08 19:31:35,274 INFO L276 IsEmpty]: Start isEmpty. Operand 3316 states and 3791 transitions. [2018-12-08 19:31:35,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-08 19:31:35,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:35,479 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 608 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-08 19:31:35,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:35,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3811 states to 3337 states and 3811 transitions. [2018-12-08 19:31:35,987 INFO L276 IsEmpty]: Start isEmpty. Operand 3337 states and 3811 transitions. [2018-12-08 19:31:35,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-08 19:31:35,988 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:36,224 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 608 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-08 19:31:36,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:36,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3824 states to 3350 states and 3824 transitions. [2018-12-08 19:31:36,674 INFO L276 IsEmpty]: Start isEmpty. Operand 3350 states and 3824 transitions. [2018-12-08 19:31:36,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-08 19:31:36,676 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:36,863 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 608 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-08 19:31:37,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:37,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 3361 states and 3838 transitions. [2018-12-08 19:31:37,327 INFO L276 IsEmpty]: Start isEmpty. Operand 3361 states and 3838 transitions. [2018-12-08 19:31:37,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-08 19:31:37,329 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:37,520 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 608 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-08 19:31:38,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:38,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3846 states to 3369 states and 3846 transitions. [2018-12-08 19:31:38,013 INFO L276 IsEmpty]: Start isEmpty. Operand 3369 states and 3846 transitions. [2018-12-08 19:31:38,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-08 19:31:38,015 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:38,202 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 608 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-08 19:31:38,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:38,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3854 states to 3378 states and 3854 transitions. [2018-12-08 19:31:38,664 INFO L276 IsEmpty]: Start isEmpty. Operand 3378 states and 3854 transitions. [2018-12-08 19:31:38,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-08 19:31:38,666 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:38,861 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 608 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-08 19:31:39,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:39,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 3389 states and 3864 transitions. [2018-12-08 19:31:39,592 INFO L276 IsEmpty]: Start isEmpty. Operand 3389 states and 3864 transitions. [2018-12-08 19:31:39,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-08 19:31:39,594 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:39,773 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 608 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-08 19:31:40,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:40,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3874 states to 3400 states and 3874 transitions. [2018-12-08 19:31:40,288 INFO L276 IsEmpty]: Start isEmpty. Operand 3400 states and 3874 transitions. [2018-12-08 19:31:40,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2018-12-08 19:31:40,290 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:40,427 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 534 proven. 2 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2018-12-08 19:31:41,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:41,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3894 states to 3419 states and 3894 transitions. [2018-12-08 19:31:41,417 INFO L276 IsEmpty]: Start isEmpty. Operand 3419 states and 3894 transitions. [2018-12-08 19:31:41,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2018-12-08 19:31:41,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:41,554 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 534 proven. 2 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2018-12-08 19:31:42,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:42,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3914 states to 3438 states and 3914 transitions. [2018-12-08 19:31:42,542 INFO L276 IsEmpty]: Start isEmpty. Operand 3438 states and 3914 transitions. [2018-12-08 19:31:42,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2018-12-08 19:31:42,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:42,674 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 534 proven. 2 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2018-12-08 19:31:43,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:43,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3932 states to 3457 states and 3932 transitions. [2018-12-08 19:31:43,673 INFO L276 IsEmpty]: Start isEmpty. Operand 3457 states and 3932 transitions. [2018-12-08 19:31:43,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2018-12-08 19:31:43,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:43,800 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 534 proven. 2 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2018-12-08 19:31:45,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:45,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3986 states to 3512 states and 3986 transitions. [2018-12-08 19:31:45,748 INFO L276 IsEmpty]: Start isEmpty. Operand 3512 states and 3986 transitions. [2018-12-08 19:31:45,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2018-12-08 19:31:45,750 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:45,837 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 617 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-08 19:31:47,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:47,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4005 states to 3531 states and 4005 transitions. [2018-12-08 19:31:47,575 INFO L276 IsEmpty]: Start isEmpty. Operand 3531 states and 4005 transitions. [2018-12-08 19:31:47,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2018-12-08 19:31:47,577 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:47,664 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 617 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-08 19:31:48,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:48,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4022 states to 3548 states and 4022 transitions. [2018-12-08 19:31:48,385 INFO L276 IsEmpty]: Start isEmpty. Operand 3548 states and 4022 transitions. [2018-12-08 19:31:48,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2018-12-08 19:31:48,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:48,473 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 617 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-08 19:31:48,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:48,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4024 states to 3550 states and 4024 transitions. [2018-12-08 19:31:48,941 INFO L276 IsEmpty]: Start isEmpty. Operand 3550 states and 4024 transitions. [2018-12-08 19:31:48,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2018-12-08 19:31:48,943 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:49,083 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 617 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-08 19:31:49,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:49,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4034 states to 3561 states and 4034 transitions. [2018-12-08 19:31:49,656 INFO L276 IsEmpty]: Start isEmpty. Operand 3561 states and 4034 transitions. [2018-12-08 19:31:49,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2018-12-08 19:31:49,658 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:49,744 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 617 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-08 19:31:50,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:50,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4044 states to 3572 states and 4044 transitions. [2018-12-08 19:31:50,028 INFO L276 IsEmpty]: Start isEmpty. Operand 3572 states and 4044 transitions. [2018-12-08 19:31:50,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 19:31:50,030 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:50,201 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 727 proven. 4 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-08 19:31:51,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:51,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4057 states to 3585 states and 4057 transitions. [2018-12-08 19:31:51,212 INFO L276 IsEmpty]: Start isEmpty. Operand 3585 states and 4057 transitions. [2018-12-08 19:31:51,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 19:31:51,214 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:51,377 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 727 proven. 4 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-08 19:31:52,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:52,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4061 states to 3589 states and 4061 transitions. [2018-12-08 19:31:52,163 INFO L276 IsEmpty]: Start isEmpty. Operand 3589 states and 4061 transitions. [2018-12-08 19:31:52,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 19:31:52,164 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:31:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:31:52,333 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 727 proven. 4 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-08 19:31:54,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:31:54,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3635 states to 3205 states and 3635 transitions. [2018-12-08 19:31:54,054 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 3635 transitions. [2018-12-08 19:31:54,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 19:31:54,056 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 212 iterations. [2018-12-08 19:31:54,063 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 19:31:54,267 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 43 [2018-12-08 19:31:54,434 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 39 [2018-12-08 19:31:54,637 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 39 [2018-12-08 19:31:54,841 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 39 [2018-12-08 19:31:55,016 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 39 [2018-12-08 19:31:55,274 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 37 [2018-12-08 19:31:55,474 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 35 [2018-12-08 19:31:55,683 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 39 [2018-12-08 19:31:55,865 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 39 [2018-12-08 19:31:56,071 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 35 [2018-12-08 19:31:56,221 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 35 [2018-12-08 19:31:56,323 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 35 [2018-12-08 19:31:56,428 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 35 [2018-12-08 19:31:56,541 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 31 [2018-12-08 19:31:56,709 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 39 [2018-12-08 19:31:56,880 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 39 [2018-12-08 19:31:57,044 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 39 [2018-12-08 19:31:57,157 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 31 [2018-12-08 19:31:57,310 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 28 [2018-12-08 19:31:57,464 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 39 [2018-12-08 19:31:57,617 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 35 [2018-12-08 19:31:57,765 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 35 [2018-12-08 19:31:57,871 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 35 [2018-12-08 19:31:58,097 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 49 [2018-12-08 19:31:58,220 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 34 [2018-12-08 19:31:58,388 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 39 [2018-12-08 19:31:58,503 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 31 [2018-12-08 19:31:58,647 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 39 [2018-12-08 19:31:58,788 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 35 [2018-12-08 19:31:58,933 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 39 [2018-12-08 19:31:59,048 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 35 [2018-12-08 19:31:59,196 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 39 [2018-12-08 19:31:59,351 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 35 [2018-12-08 19:31:59,597 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 39 [2018-12-08 19:31:59,747 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 35 [2018-12-08 19:31:59,875 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 34 [2018-12-08 19:32:00,028 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 43 [2018-12-08 19:32:00,226 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 39 [2018-12-08 19:32:00,342 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 35 [2018-12-08 19:32:00,481 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 28 [2018-12-08 19:32:00,668 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 39 [2018-12-08 19:32:00,834 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 35 [2018-12-08 19:32:01,007 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 35 [2018-12-08 19:32:01,214 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 39 [2018-12-08 19:32:01,355 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 35 [2018-12-08 19:32:01,673 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 35 [2018-12-08 19:32:01,839 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 39 [2018-12-08 19:32:01,999 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 39 [2018-12-08 19:32:02,206 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 39 [2018-12-08 19:32:02,369 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 35 [2018-12-08 19:32:02,478 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 31 [2018-12-08 19:32:02,604 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 31 [2018-12-08 19:32:02,785 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 39 [2018-12-08 19:32:02,936 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 43 [2018-12-08 19:32:03,119 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 31 [2018-12-08 19:32:03,249 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 35 [2018-12-08 19:32:03,412 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 28 [2018-12-08 19:32:03,604 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 39 [2018-12-08 19:32:03,784 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 39 [2018-12-08 19:32:03,925 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 35 [2018-12-08 19:32:04,088 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 43 [2018-12-08 19:32:04,222 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 34 [2018-12-08 19:32:04,461 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 37 [2018-12-08 19:32:04,461 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 19:32:04,463 INFO L583 CodeCheckObserver]: Invariant with dag size 28 [2018-12-08 19:32:04,470 INFO L583 CodeCheckObserver]: Invariant with dag size 28 [2018-12-08 19:32:04,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 07:32:04 ImpRootNode [2018-12-08 19:32:04,471 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 19:32:04,471 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 19:32:04,472 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 19:32:04,472 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 19:32:04,472 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:29:08" (3/4) ... [2018-12-08 19:32:04,476 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 19:32:04,488 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-12-08 19:32:04,488 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-08 19:32:04,489 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-08 19:32:04,489 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 19:32:04,557 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2c67aee6-c2c4-4ecf-a7b1-ec10f173a672/bin-2019/ukojak/witness.graphml [2018-12-08 19:32:04,557 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 19:32:04,558 INFO L168 Benchmark]: Toolchain (without parser) took 177852.87 ms. Allocated memory was 1.0 GB in the beginning and 3.6 GB in the end (delta: 2.5 GB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 2.4 GB. Max. memory is 11.5 GB. [2018-12-08 19:32:04,558 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:32:04,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -147.2 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. [2018-12-08 19:32:04,559 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-08 19:32:04,559 INFO L168 Benchmark]: Boogie Preprocessor took 29.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:32:04,559 INFO L168 Benchmark]: RCFGBuilder took 1040.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 863.0 MB in the end (delta: 217.1 MB). Peak memory consumption was 217.1 MB. Max. memory is 11.5 GB. [2018-12-08 19:32:04,559 INFO L168 Benchmark]: CodeCheck took 176339.49 ms. Allocated memory was 1.1 GB in the beginning and 3.6 GB in the end (delta: 2.4 GB). Free memory was 863.0 MB in the beginning and 1.2 GB in the end (delta: -324.1 MB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. [2018-12-08 19:32:04,559 INFO L168 Benchmark]: Witness Printer took 85.94 ms. Allocated memory is still 3.6 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 50.5 MB). Peak memory consumption was 50.5 MB. Max. memory is 11.5 GB. [2018-12-08 19:32:04,560 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 227 locations, 1 error locations. SAFE Result, 165.8s OverallTime, 212 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 469762076 SDtfs, 154318516 SDslu, -1275068234 SDs, 0 SdLazy, -171467578 SolverSat, 907018756 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 813.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 292428 GetRequests, 287869 SyntacticMatches, 2997 SemanticMatches, 1562 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1766268 ImplicationChecksByTransitivity, 140.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.7s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 15.3s InterpolantComputationTime, 45614 NumberOfCodeBlocks, 45614 NumberOfCodeBlocksAsserted, 211 NumberOfCheckSat, 45403 ConstructedInterpolants, 0 QuantifiedInterpolants, 32186250 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 211 InterpolantComputations, 154 PerfectInterpolantSequences, 57178/57880 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 472]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((!(a28 == 8) && !(a28 == 9)) || (!(a28 == 8) && !(a11 == 1))) || (!(a19 == 1) && !(a28 == 9))) || (a28 == 9 && !(a17 == 9))) || (((a17 == 8 && a21 == 1) && a25 == 1) && !(a11 == 1)) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((!(a28 == 8) && !(a11 == 1)) || (((a17 == 8 && a21 == 1) && a25 == 1) && !(a11 == 1))) || (!(a19 == 1) && a28 == 8)) || (!(a28 == 8) && !(a17 == 9))) || (!(a28 == 8) && !(a28 == 9)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 315.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -147.2 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1040.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 863.0 MB in the end (delta: 217.1 MB). Peak memory consumption was 217.1 MB. Max. memory is 11.5 GB. * CodeCheck took 176339.49 ms. Allocated memory was 1.1 GB in the beginning and 3.6 GB in the end (delta: 2.4 GB). Free memory was 863.0 MB in the beginning and 1.2 GB in the end (delta: -324.1 MB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. * Witness Printer took 85.94 ms. Allocated memory is still 3.6 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 50.5 MB). Peak memory consumption was 50.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...