./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label51_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_54bdd0cf-dd53-4139-bb41-ad271edd975a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_54bdd0cf-dd53-4139-bb41-ad271edd975a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_54bdd0cf-dd53-4139-bb41-ad271edd975a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_54bdd0cf-dd53-4139-bb41-ad271edd975a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label51_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_54bdd0cf-dd53-4139-bb41-ad271edd975a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_54bdd0cf-dd53-4139-bb41-ad271edd975a/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 89e4d3b83e9299d0f8112c95fd72ee254e8bb8bf .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 16:36:23,237 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 16:36:23,238 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 16:36:23,244 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 16:36:23,244 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 16:36:23,244 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 16:36:23,245 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 16:36:23,246 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 16:36:23,246 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 16:36:23,247 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 16:36:23,247 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 16:36:23,247 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 16:36:23,248 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 16:36:23,248 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 16:36:23,249 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 16:36:23,249 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 16:36:23,250 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 16:36:23,250 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 16:36:23,251 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 16:36:23,252 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 16:36:23,252 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 16:36:23,253 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 16:36:23,254 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 16:36:23,254 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 16:36:23,254 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 16:36:23,255 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 16:36:23,255 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 16:36:23,255 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 16:36:23,256 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 16:36:23,256 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 16:36:23,256 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 16:36:23,257 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 16:36:23,257 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 16:36:23,257 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 16:36:23,257 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 16:36:23,258 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 16:36:23,258 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_54bdd0cf-dd53-4139-bb41-ad271edd975a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 16:36:23,265 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 16:36:23,265 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 16:36:23,265 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 16:36:23,266 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 16:36:23,266 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 16:36:23,266 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 16:36:23,266 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 16:36:23,266 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 16:36:23,266 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 16:36:23,266 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 16:36:23,266 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 16:36:23,267 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 16:36:23,267 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 16:36:23,267 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 16:36:23,267 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 16:36:23,267 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 16:36:23,267 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 16:36:23,267 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 16:36:23,267 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 16:36:23,267 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 16:36:23,267 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 16:36:23,267 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 16:36:23,268 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 16:36:23,268 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 16:36:23,268 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 16:36:23,268 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 16:36:23,268 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 16:36:23,268 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 16:36:23,268 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 16:36:23,268 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_54bdd0cf-dd53-4139-bb41-ad271edd975a/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 -> 89e4d3b83e9299d0f8112c95fd72ee254e8bb8bf [2018-12-01 16:36:23,285 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 16:36:23,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 16:36:23,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 16:36:23,295 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 16:36:23,295 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 16:36:23,295 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_54bdd0cf-dd53-4139-bb41-ad271edd975a/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label51_true-unreach-call_false-termination.c [2018-12-01 16:36:23,330 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_54bdd0cf-dd53-4139-bb41-ad271edd975a/bin-2019/ukojak/data/89006d5ad/68641152562643a2a2d291e0d7f56fc1/FLAG0dd4562ab [2018-12-01 16:36:23,788 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 16:36:23,788 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_54bdd0cf-dd53-4139-bb41-ad271edd975a/sv-benchmarks/c/eca-rers2012/Problem02_label51_true-unreach-call_false-termination.c [2018-12-01 16:36:23,795 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_54bdd0cf-dd53-4139-bb41-ad271edd975a/bin-2019/ukojak/data/89006d5ad/68641152562643a2a2d291e0d7f56fc1/FLAG0dd4562ab [2018-12-01 16:36:23,804 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_54bdd0cf-dd53-4139-bb41-ad271edd975a/bin-2019/ukojak/data/89006d5ad/68641152562643a2a2d291e0d7f56fc1 [2018-12-01 16:36:23,806 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 16:36:23,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 16:36:23,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 16:36:23,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 16:36:23,810 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 16:36:23,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:36:23" (1/1) ... [2018-12-01 16:36:23,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:23, skipping insertion in model container [2018-12-01 16:36:23,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:36:23" (1/1) ... [2018-12-01 16:36:23,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 16:36:23,839 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 16:36:24,009 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:36:24,012 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 16:36:24,103 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:36:24,115 INFO L195 MainTranslator]: Completed translation [2018-12-01 16:36:24,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:24 WrapperNode [2018-12-01 16:36:24,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 16:36:24,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 16:36:24,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 16:36:24,117 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 16:36:24,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:24" (1/1) ... [2018-12-01 16:36:24,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:24" (1/1) ... [2018-12-01 16:36:24,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 16:36:24,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 16:36:24,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 16:36:24,157 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 16:36:24,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:24" (1/1) ... [2018-12-01 16:36:24,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:24" (1/1) ... [2018-12-01 16:36:24,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:24" (1/1) ... [2018-12-01 16:36:24,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:24" (1/1) ... [2018-12-01 16:36:24,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:24" (1/1) ... [2018-12-01 16:36:24,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:24" (1/1) ... [2018-12-01 16:36:24,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:24" (1/1) ... [2018-12-01 16:36:24,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 16:36:24,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 16:36:24,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 16:36:24,196 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 16:36:24,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_54bdd0cf-dd53-4139-bb41-ad271edd975a/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 [2018-12-01 16:36:24,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 16:36:24,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 16:36:25,224 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 16:36:25,224 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 16:36:25,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:36:25 BoogieIcfgContainer [2018-12-01 16:36:25,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 16:36:25,225 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 16:36:25,225 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 16:36:25,231 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 16:36:25,231 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:36:25" (1/1) ... [2018-12-01 16:36:25,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:36:25,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:25,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-01 16:36:25,261 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-01 16:36:25,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-01 16:36:25,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:25,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:25,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:25,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 163 states and 260 transitions. [2018-12-01 16:36:25,837 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 260 transitions. [2018-12-01 16:36:25,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-01 16:36:25,839 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:25,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:26,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:26,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 167 states and 267 transitions. [2018-12-01 16:36:26,052 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 267 transitions. [2018-12-01 16:36:26,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-01 16:36:26,054 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:26,090 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:26,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:26,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 172 states and 277 transitions. [2018-12-01 16:36:26,176 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 277 transitions. [2018-12-01 16:36:26,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-01 16:36:26,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:26,204 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:26,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:26,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 178 states and 289 transitions. [2018-12-01 16:36:26,337 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 289 transitions. [2018-12-01 16:36:26,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-01 16:36:26,338 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:26,417 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:26,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:26,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 182 states and 297 transitions. [2018-12-01 16:36:26,569 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 297 transitions. [2018-12-01 16:36:26,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-01 16:36:26,570 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:26,581 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:26,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:26,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 185 states and 300 transitions. [2018-12-01 16:36:26,609 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 300 transitions. [2018-12-01 16:36:26,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-01 16:36:26,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:26,624 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:26,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:26,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 189 states and 305 transitions. [2018-12-01 16:36:26,705 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 305 transitions. [2018-12-01 16:36:26,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-01 16:36:26,705 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:26,718 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 16:36:26,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:26,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 193 states and 310 transitions. [2018-12-01 16:36:26,794 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 310 transitions. [2018-12-01 16:36:26,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-01 16:36:26,795 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:26,808 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:26,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:26,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 196 states and 313 transitions. [2018-12-01 16:36:26,836 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 313 transitions. [2018-12-01 16:36:26,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-01 16:36:26,836 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:26,854 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:26,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:26,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 197 states and 314 transitions. [2018-12-01 16:36:26,864 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 314 transitions. [2018-12-01 16:36:26,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-01 16:36:26,864 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:26,880 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:26,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:26,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 201 states and 319 transitions. [2018-12-01 16:36:26,963 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 319 transitions. [2018-12-01 16:36:26,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-01 16:36:26,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:26,976 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:26,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:26,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 202 states and 320 transitions. [2018-12-01 16:36:26,989 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 320 transitions. [2018-12-01 16:36:26,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-01 16:36:26,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:27,009 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:36:27,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:27,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 206 states and 325 transitions. [2018-12-01 16:36:27,092 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 325 transitions. [2018-12-01 16:36:27,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 16:36:27,093 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:27,109 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:27,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:27,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 213 states and 332 transitions. [2018-12-01 16:36:27,146 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 332 transitions. [2018-12-01 16:36:27,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 16:36:27,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:27,208 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:36:27,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:27,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 230 states and 359 transitions. [2018-12-01 16:36:27,444 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 359 transitions. [2018-12-01 16:36:27,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 16:36:27,445 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:27,473 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:27,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:27,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 250 states and 383 transitions. [2018-12-01 16:36:27,751 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 383 transitions. [2018-12-01 16:36:27,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-01 16:36:27,752 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:27,772 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:27,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:27,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 269 states and 406 transitions. [2018-12-01 16:36:27,979 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 406 transitions. [2018-12-01 16:36:27,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 16:36:27,980 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:27,992 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:28,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:28,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 273 states and 412 transitions. [2018-12-01 16:36:28,088 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 412 transitions. [2018-12-01 16:36:28,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-01 16:36:28,089 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:28,121 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:28,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:28,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 275 states and 414 transitions. [2018-12-01 16:36:28,135 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 414 transitions. [2018-12-01 16:36:28,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-01 16:36:28,135 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:28,149 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:36:28,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:28,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 279 states and 419 transitions. [2018-12-01 16:36:28,239 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 419 transitions. [2018-12-01 16:36:28,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-01 16:36:28,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:28,303 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:28,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:28,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 297 states and 439 transitions. [2018-12-01 16:36:28,597 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 439 transitions. [2018-12-01 16:36:28,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-01 16:36:28,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:28,611 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:28,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:28,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 313 states and 456 transitions. [2018-12-01 16:36:28,830 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 456 transitions. [2018-12-01 16:36:28,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-01 16:36:28,831 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:28,897 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:29,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:29,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 317 states and 466 transitions. [2018-12-01 16:36:29,072 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 466 transitions. [2018-12-01 16:36:29,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 16:36:29,073 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:29,125 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:29,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:29,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 326 states and 478 transitions. [2018-12-01 16:36:29,253 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 478 transitions. [2018-12-01 16:36:29,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 16:36:29,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:29,298 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:36:29,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:29,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 332 states and 490 transitions. [2018-12-01 16:36:29,472 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 490 transitions. [2018-12-01 16:36:29,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 16:36:29,472 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:29,486 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:29,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:29,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 342 states and 504 transitions. [2018-12-01 16:36:29,704 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 504 transitions. [2018-12-01 16:36:29,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 16:36:29,704 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:29,798 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:30,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:30,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 374 states and 546 transitions. [2018-12-01 16:36:30,546 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 546 transitions. [2018-12-01 16:36:30,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-01 16:36:30,547 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:30,584 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:30,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:30,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 380 states and 553 transitions. [2018-12-01 16:36:30,663 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 553 transitions. [2018-12-01 16:36:30,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-01 16:36:30,664 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:30,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:30,677 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:30,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:30,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 384 states and 558 transitions. [2018-12-01 16:36:30,792 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 558 transitions. [2018-12-01 16:36:30,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-01 16:36:30,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:30,870 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:36:31,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:31,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 394 states and 577 transitions. [2018-12-01 16:36:31,167 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 577 transitions. [2018-12-01 16:36:31,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-01 16:36:31,168 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:31,190 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:36:31,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:31,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 397 states and 581 transitions. [2018-12-01 16:36:31,302 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 581 transitions. [2018-12-01 16:36:31,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-01 16:36:31,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:31,332 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:36:31,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:31,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 399 states and 582 transitions. [2018-12-01 16:36:31,393 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 582 transitions. [2018-12-01 16:36:31,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-01 16:36:31,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:31,463 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 16:36:32,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:32,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 429 states and 618 transitions. [2018-12-01 16:36:32,133 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 618 transitions. [2018-12-01 16:36:32,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-01 16:36:32,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:32,146 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 16:36:32,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:32,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 441 states and 630 transitions. [2018-12-01 16:36:32,232 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 630 transitions. [2018-12-01 16:36:32,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-01 16:36:32,232 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:32,289 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:36:32,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:32,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 444 states and 633 transitions. [2018-12-01 16:36:32,303 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 633 transitions. [2018-12-01 16:36:32,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-01 16:36:32,304 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:32,317 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:32,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:32,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 451 states and 643 transitions. [2018-12-01 16:36:32,349 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 643 transitions. [2018-12-01 16:36:32,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-01 16:36:32,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:32,363 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:36:32,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:32,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 457 states and 648 transitions. [2018-12-01 16:36:32,428 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 648 transitions. [2018-12-01 16:36:32,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-01 16:36:32,429 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:32,447 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 16:36:32,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:32,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 467 states and 672 transitions. [2018-12-01 16:36:32,799 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 672 transitions. [2018-12-01 16:36:32,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-01 16:36:32,800 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:32,814 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 16:36:33,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:33,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 473 states and 679 transitions. [2018-12-01 16:36:33,033 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 679 transitions. [2018-12-01 16:36:33,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-01 16:36:33,034 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:33,080 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:36:33,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:33,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 474 states and 680 transitions. [2018-12-01 16:36:33,097 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 680 transitions. [2018-12-01 16:36:33,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-01 16:36:33,098 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:33,116 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:36:33,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:33,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 483 states and 690 transitions. [2018-12-01 16:36:33,209 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 690 transitions. [2018-12-01 16:36:33,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-01 16:36:33,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:33,252 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:36:33,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:33,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 514 states and 728 transitions. [2018-12-01 16:36:33,716 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 728 transitions. [2018-12-01 16:36:33,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-01 16:36:33,716 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:33,733 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:34,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:34,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 532 states and 751 transitions. [2018-12-01 16:36:34,095 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 751 transitions. [2018-12-01 16:36:34,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-01 16:36:34,096 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:34,125 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 16:36:34,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:34,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 536 states and 756 transitions. [2018-12-01 16:36:34,246 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 756 transitions. [2018-12-01 16:36:34,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-01 16:36:34,246 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:34,260 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:34,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:34,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 551 states and 776 transitions. [2018-12-01 16:36:34,535 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 776 transitions. [2018-12-01 16:36:34,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-01 16:36:34,536 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:34,550 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:34,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:34,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 556 states and 781 transitions. [2018-12-01 16:36:34,776 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 781 transitions. [2018-12-01 16:36:34,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-01 16:36:34,776 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:34,793 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:34,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:34,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 559 states and 784 transitions. [2018-12-01 16:36:34,815 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 784 transitions. [2018-12-01 16:36:34,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-01 16:36:34,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:34,830 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:36:34,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:34,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 566 states and 792 transitions. [2018-12-01 16:36:34,866 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 792 transitions. [2018-12-01 16:36:34,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-01 16:36:34,867 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:34,881 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:34,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:34,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 567 states and 793 transitions. [2018-12-01 16:36:34,893 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 793 transitions. [2018-12-01 16:36:34,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-01 16:36:34,894 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:34,909 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 16:36:34,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:34,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 569 states and 794 transitions. [2018-12-01 16:36:34,991 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 794 transitions. [2018-12-01 16:36:34,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-01 16:36:34,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:35,031 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:35,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:35,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 589 states and 818 transitions. [2018-12-01 16:36:35,403 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 818 transitions. [2018-12-01 16:36:35,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-01 16:36:35,404 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:35,429 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:36:35,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:35,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 591 states and 819 transitions. [2018-12-01 16:36:35,492 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 819 transitions. [2018-12-01 16:36:35,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-01 16:36:35,492 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:35,508 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:35,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:35,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 597 states and 825 transitions. [2018-12-01 16:36:35,694 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 825 transitions. [2018-12-01 16:36:35,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-01 16:36:35,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:36,135 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:39,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:39,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 718 states and 956 transitions. [2018-12-01 16:36:39,575 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 956 transitions. [2018-12-01 16:36:39,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 16:36:39,576 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:39,593 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:36:39,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:39,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 721 states and 958 transitions. [2018-12-01 16:36:39,682 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 958 transitions. [2018-12-01 16:36:39,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 16:36:39,683 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:39,697 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:39,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:39,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 725 states and 963 transitions. [2018-12-01 16:36:39,865 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 963 transitions. [2018-12-01 16:36:39,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-01 16:36:39,865 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:39,927 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:40,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:40,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 756 states and 997 transitions. [2018-12-01 16:36:40,728 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 997 transitions. [2018-12-01 16:36:40,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-01 16:36:40,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:40,743 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:36:40,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:40,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 759 states and 1004 transitions. [2018-12-01 16:36:40,768 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1004 transitions. [2018-12-01 16:36:40,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-01 16:36:40,769 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:40,788 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:36:40,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:40,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 761 states and 1005 transitions. [2018-12-01 16:36:40,930 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1005 transitions. [2018-12-01 16:36:40,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-01 16:36:40,930 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:40,945 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:36:41,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:41,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 763 states and 1006 transitions. [2018-12-01 16:36:41,085 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1006 transitions. [2018-12-01 16:36:41,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-01 16:36:41,086 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:41,128 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:36:41,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:41,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 780 states and 1034 transitions. [2018-12-01 16:36:41,423 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1034 transitions. [2018-12-01 16:36:41,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-01 16:36:41,424 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:41,490 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:36:41,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:41,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 782 states and 1035 transitions. [2018-12-01 16:36:41,634 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1035 transitions. [2018-12-01 16:36:41,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-01 16:36:41,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:41,680 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:36:41,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:41,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 784 states and 1036 transitions. [2018-12-01 16:36:41,820 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1036 transitions. [2018-12-01 16:36:41,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-01 16:36:41,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:41,835 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:36:42,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:42,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 790 states and 1047 transitions. [2018-12-01 16:36:42,145 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1047 transitions. [2018-12-01 16:36:42,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-01 16:36:42,145 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:42,176 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:42,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:42,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 801 states and 1062 transitions. [2018-12-01 16:36:42,694 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1062 transitions. [2018-12-01 16:36:42,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-01 16:36:42,695 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:42,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:42,785 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:43,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:43,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 815 states and 1075 transitions. [2018-12-01 16:36:43,521 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1075 transitions. [2018-12-01 16:36:43,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-01 16:36:43,522 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:43,575 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:44,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:44,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 837 states and 1100 transitions. [2018-12-01 16:36:44,483 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1100 transitions. [2018-12-01 16:36:44,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-01 16:36:44,484 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:44,534 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:45,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:45,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 843 states and 1106 transitions. [2018-12-01 16:36:45,159 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1106 transitions. [2018-12-01 16:36:45,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-01 16:36:45,160 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:45,205 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 75 proven. 8 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-01 16:36:45,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:45,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 856 states and 1122 transitions. [2018-12-01 16:36:45,375 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1122 transitions. [2018-12-01 16:36:45,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 16:36:45,376 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:45,394 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:36:45,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:45,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 863 states and 1134 transitions. [2018-12-01 16:36:45,740 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1134 transitions. [2018-12-01 16:36:45,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 16:36:45,741 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:45,759 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:36:45,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:45,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 867 states and 1138 transitions. [2018-12-01 16:36:45,977 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1138 transitions. [2018-12-01 16:36:45,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 16:36:45,978 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:46,029 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:36:46,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:46,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 869 states and 1140 transitions. [2018-12-01 16:36:46,047 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1140 transitions. [2018-12-01 16:36:46,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 16:36:46,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:46,066 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:46,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:46,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 886 states and 1160 transitions. [2018-12-01 16:36:46,367 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1160 transitions. [2018-12-01 16:36:46,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-01 16:36:46,367 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:46,384 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 16:36:47,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:47,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 895 states and 1173 transitions. [2018-12-01 16:36:47,025 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1173 transitions. [2018-12-01 16:36:47,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-01 16:36:47,025 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:47,044 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:47,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:47,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 922 states and 1206 transitions. [2018-12-01 16:36:47,499 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1206 transitions. [2018-12-01 16:36:47,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-01 16:36:47,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:47,518 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:47,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:47,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 928 states and 1212 transitions. [2018-12-01 16:36:47,848 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1212 transitions. [2018-12-01 16:36:47,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-01 16:36:47,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:47,897 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:36:48,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:48,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 964 states and 1254 transitions. [2018-12-01 16:36:48,623 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1254 transitions. [2018-12-01 16:36:48,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-01 16:36:48,623 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:48,668 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:36:48,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:48,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 967 states and 1258 transitions. [2018-12-01 16:36:48,906 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1258 transitions. [2018-12-01 16:36:48,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-01 16:36:48,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:48,951 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:36:49,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:49,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 972 states and 1264 transitions. [2018-12-01 16:36:49,368 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1264 transitions. [2018-12-01 16:36:49,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-01 16:36:49,369 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:49,618 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:52,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:52,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1038 states and 1346 transitions. [2018-12-01 16:36:52,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1346 transitions. [2018-12-01 16:36:52,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-01 16:36:52,880 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:52,924 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:54,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:54,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1044 states and 1356 transitions. [2018-12-01 16:36:54,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1356 transitions. [2018-12-01 16:36:54,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-01 16:36:54,031 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:54,051 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 16:36:54,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:54,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1048 states and 1359 transitions. [2018-12-01 16:36:54,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1359 transitions. [2018-12-01 16:36:54,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-01 16:36:54,156 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:54,176 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 16:36:54,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:54,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1066 states and 1382 transitions. [2018-12-01 16:36:54,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1382 transitions. [2018-12-01 16:36:54,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-01 16:36:54,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:54,347 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:54,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:54,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1078 states and 1397 transitions. [2018-12-01 16:36:54,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1397 transitions. [2018-12-01 16:36:54,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 16:36:54,897 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:54,927 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:36:55,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:55,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1085 states and 1404 transitions. [2018-12-01 16:36:55,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1404 transitions. [2018-12-01 16:36:55,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-01 16:36:55,112 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:55,154 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:55,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:55,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1105 states and 1430 transitions. [2018-12-01 16:36:55,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1430 transitions. [2018-12-01 16:36:55,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-01 16:36:55,273 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:55,292 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:55,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:55,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1113 states and 1439 transitions. [2018-12-01 16:36:55,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1439 transitions. [2018-12-01 16:36:55,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 16:36:55,443 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:55,725 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 81 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:37:00,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:00,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1172 states and 1513 transitions. [2018-12-01 16:37:00,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1513 transitions. [2018-12-01 16:37:00,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 16:37:00,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:00,696 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 81 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:37:01,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:01,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1178 states and 1525 transitions. [2018-12-01 16:37:01,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1525 transitions. [2018-12-01 16:37:01,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 16:37:01,706 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:01,732 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:37:01,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:01,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1181 states and 1528 transitions. [2018-12-01 16:37:01,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1528 transitions. [2018-12-01 16:37:01,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 16:37:01,760 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:02,078 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:04,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:04,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1228 states and 1582 transitions. [2018-12-01 16:37:04,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1582 transitions. [2018-12-01 16:37:04,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 16:37:04,370 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:04,414 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:37:04,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:04,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1230 states and 1588 transitions. [2018-12-01 16:37:04,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1588 transitions. [2018-12-01 16:37:04,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 16:37:04,438 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:04,492 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:06,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:06,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1272 states and 1636 transitions. [2018-12-01 16:37:06,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1636 transitions. [2018-12-01 16:37:06,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 16:37:06,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:06,082 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:06,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:06,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1278 states and 1642 transitions. [2018-12-01 16:37:06,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1642 transitions. [2018-12-01 16:37:06,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-01 16:37:06,553 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:06,575 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 16:37:07,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:07,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1284 states and 1648 transitions. [2018-12-01 16:37:07,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1648 transitions. [2018-12-01 16:37:07,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-01 16:37:07,328 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:07,351 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 16:37:07,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:07,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1285 states and 1649 transitions. [2018-12-01 16:37:07,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1649 transitions. [2018-12-01 16:37:07,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-01 16:37:07,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:07,552 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:37:07,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:07,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 1286 states and 1653 transitions. [2018-12-01 16:37:07,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1653 transitions. [2018-12-01 16:37:07,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-01 16:37:07,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:07,625 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:37:08,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:08,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1293 states and 1661 transitions. [2018-12-01 16:37:08,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1661 transitions. [2018-12-01 16:37:08,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-01 16:37:08,193 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:08,244 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 76 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 16:37:08,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:08,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1310 states and 1680 transitions. [2018-12-01 16:37:08,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1680 transitions. [2018-12-01 16:37:08,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-01 16:37:08,507 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:08,556 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 76 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 16:37:09,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:09,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1316 states and 1686 transitions. [2018-12-01 16:37:09,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1686 transitions. [2018-12-01 16:37:09,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-01 16:37:09,019 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:09,073 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 76 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 16:37:09,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:09,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1688 states to 1319 states and 1688 transitions. [2018-12-01 16:37:09,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1688 transitions. [2018-12-01 16:37:09,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-01 16:37:09,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:09,255 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:09,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:09,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1330 states and 1703 transitions. [2018-12-01 16:37:09,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1703 transitions. [2018-12-01 16:37:09,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-01 16:37:09,539 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:09,651 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:09,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:09,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1333 states and 1706 transitions. [2018-12-01 16:37:09,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1706 transitions. [2018-12-01 16:37:09,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-01 16:37:09,798 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:09,874 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:10,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:10,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1346 states and 1721 transitions. [2018-12-01 16:37:10,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1721 transitions. [2018-12-01 16:37:10,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-01 16:37:10,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:10,688 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:10,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:10,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1347 states and 1721 transitions. [2018-12-01 16:37:10,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1721 transitions. [2018-12-01 16:37:10,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-01 16:37:10,797 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:10,818 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 16:37:11,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:11,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1351 states and 1724 transitions. [2018-12-01 16:37:11,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1724 transitions. [2018-12-01 16:37:11,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-01 16:37:11,052 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:11,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:11,073 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 16:37:11,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:11,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1362 states and 1735 transitions. [2018-12-01 16:37:11,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1735 transitions. [2018-12-01 16:37:11,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-01 16:37:11,405 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:11,426 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 16:37:11,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:11,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1366 states and 1738 transitions. [2018-12-01 16:37:11,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1738 transitions. [2018-12-01 16:37:11,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-01 16:37:11,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:11,673 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 16:37:12,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:12,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1370 states and 1742 transitions. [2018-12-01 16:37:12,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 1742 transitions. [2018-12-01 16:37:12,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-01 16:37:12,193 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:12,213 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 16:37:12,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:12,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1374 states and 1747 transitions. [2018-12-01 16:37:12,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 1747 transitions. [2018-12-01 16:37:12,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-01 16:37:12,847 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:12,868 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 16:37:13,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:13,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 1391 states and 1765 transitions. [2018-12-01 16:37:13,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1765 transitions. [2018-12-01 16:37:13,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-01 16:37:13,227 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:13,249 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 16:37:13,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:13,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1397 states and 1770 transitions. [2018-12-01 16:37:13,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 1770 transitions. [2018-12-01 16:37:13,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-01 16:37:13,485 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:13,506 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 16:37:13,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:13,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1398 states and 1770 transitions. [2018-12-01 16:37:13,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1770 transitions. [2018-12-01 16:37:13,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-01 16:37:13,645 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:13,667 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 16:37:14,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:14,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1404 states and 1776 transitions. [2018-12-01 16:37:14,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 1776 transitions. [2018-12-01 16:37:14,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-01 16:37:14,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:14,195 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:14,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:14,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1411 states and 1783 transitions. [2018-12-01 16:37:14,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 1783 transitions. [2018-12-01 16:37:14,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-01 16:37:14,335 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:14,371 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-01 16:37:15,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:15,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 1416 states and 1788 transitions. [2018-12-01 16:37:15,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1788 transitions. [2018-12-01 16:37:15,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-12-01 16:37:15,024 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:15,045 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:37:15,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:15,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1423 states and 1794 transitions. [2018-12-01 16:37:15,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 1794 transitions. [2018-12-01 16:37:15,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-01 16:37:15,191 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:15,214 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-01 16:37:15,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:15,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1431 states and 1804 transitions. [2018-12-01 16:37:15,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 1804 transitions. [2018-12-01 16:37:15,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-01 16:37:15,790 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:15,814 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-01 16:37:16,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:16,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1436 states and 1808 transitions. [2018-12-01 16:37:16,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 1808 transitions. [2018-12-01 16:37:16,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-01 16:37:16,388 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:16,415 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-01 16:37:16,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:16,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1442 states and 1813 transitions. [2018-12-01 16:37:16,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1813 transitions. [2018-12-01 16:37:16,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-01 16:37:16,658 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:16,679 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:16,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:16,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1452 states and 1822 transitions. [2018-12-01 16:37:16,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1822 transitions. [2018-12-01 16:37:16,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-01 16:37:16,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:16,854 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:37:17,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:17,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1460 states and 1829 transitions. [2018-12-01 16:37:17,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 1829 transitions. [2018-12-01 16:37:17,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-01 16:37:17,014 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:17,050 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-01 16:37:17,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:17,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1849 states to 1478 states and 1849 transitions. [2018-12-01 16:37:17,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 1849 transitions. [2018-12-01 16:37:17,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-01 16:37:17,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:17,818 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-01 16:37:18,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:18,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 1483 states and 1853 transitions. [2018-12-01 16:37:18,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 1853 transitions. [2018-12-01 16:37:18,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-01 16:37:18,059 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:18,085 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 16:37:18,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:18,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1489 states and 1863 transitions. [2018-12-01 16:37:18,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 1863 transitions. [2018-12-01 16:37:18,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-01 16:37:18,137 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:18,163 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 16:37:18,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:18,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 1493 states and 1867 transitions. [2018-12-01 16:37:18,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 1867 transitions. [2018-12-01 16:37:18,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-01 16:37:18,389 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:18,415 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 16:37:18,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:18,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 1497 states and 1873 transitions. [2018-12-01 16:37:18,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 1873 transitions. [2018-12-01 16:37:18,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-01 16:37:18,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:18,963 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 16:37:19,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:19,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1500 states and 1876 transitions. [2018-12-01 16:37:19,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1876 transitions. [2018-12-01 16:37:19,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-01 16:37:19,290 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:19,312 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 16:37:22,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:22,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1944 states to 1555 states and 1944 transitions. [2018-12-01 16:37:22,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 1944 transitions. [2018-12-01 16:37:22,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-01 16:37:22,155 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:22,177 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 16:37:22,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:22,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1561 states and 1951 transitions. [2018-12-01 16:37:22,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1561 states and 1951 transitions. [2018-12-01 16:37:22,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-01 16:37:22,761 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:22,784 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 16:37:23,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:23,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1981 states to 1590 states and 1981 transitions. [2018-12-01 16:37:23,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 1981 transitions. [2018-12-01 16:37:23,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 16:37:23,358 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:23,392 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-01 16:37:23,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:23,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 1594 states and 1987 transitions. [2018-12-01 16:37:23,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 1987 transitions. [2018-12-01 16:37:23,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-01 16:37:23,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:23,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:23,732 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:25,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:25,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 1609 states and 2006 transitions. [2018-12-01 16:37:25,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 2006 transitions. [2018-12-01 16:37:25,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-01 16:37:25,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:25,609 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:25,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:25,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2013 states to 1617 states and 2013 transitions. [2018-12-01 16:37:25,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 2013 transitions. [2018-12-01 16:37:25,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-01 16:37:25,931 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:25,954 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:37:27,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:27,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2045 states to 1642 states and 2045 transitions. [2018-12-01 16:37:27,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 2045 transitions. [2018-12-01 16:37:27,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-01 16:37:27,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:27,301 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:37:27,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:27,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2065 states to 1662 states and 2065 transitions. [2018-12-01 16:37:27,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states and 2065 transitions. [2018-12-01 16:37:27,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-01 16:37:27,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:28,016 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:37:28,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:28,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 1670 states and 2072 transitions. [2018-12-01 16:37:28,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 2072 transitions. [2018-12-01 16:37:28,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-01 16:37:28,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:28,486 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:37:29,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:29,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 1683 states and 2087 transitions. [2018-12-01 16:37:29,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 2087 transitions. [2018-12-01 16:37:29,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-01 16:37:29,249 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:29,272 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:37:29,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:29,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 1695 states and 2100 transitions. [2018-12-01 16:37:29,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 2100 transitions. [2018-12-01 16:37:29,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-01 16:37:29,895 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:29,918 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:37:30,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:30,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2107 states to 1702 states and 2107 transitions. [2018-12-01 16:37:30,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 2107 transitions. [2018-12-01 16:37:30,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-01 16:37:30,289 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:30,322 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:37:30,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:30,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 1713 states and 2119 transitions. [2018-12-01 16:37:30,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2119 transitions. [2018-12-01 16:37:30,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-01 16:37:30,837 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:30,860 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:37:31,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:31,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 1717 states and 2123 transitions. [2018-12-01 16:37:31,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 2123 transitions. [2018-12-01 16:37:31,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-01 16:37:31,166 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:31,189 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:37:31,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:31,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 1721 states and 2127 transitions. [2018-12-01 16:37:31,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2127 transitions. [2018-12-01 16:37:31,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-01 16:37:31,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:31,521 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:37:31,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:31,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 1725 states and 2130 transitions. [2018-12-01 16:37:31,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1725 states and 2130 transitions. [2018-12-01 16:37:31,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-01 16:37:31,768 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:31,831 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 118 proven. 8 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-01 16:37:33,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:33,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 1735 states and 2149 transitions. [2018-12-01 16:37:33,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2149 transitions. [2018-12-01 16:37:33,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-01 16:37:33,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:33,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:33,461 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 118 proven. 8 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-01 16:37:33,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:33,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 1742 states and 2158 transitions. [2018-12-01 16:37:33,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2158 transitions. [2018-12-01 16:37:33,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-01 16:37:33,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:34,005 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 118 proven. 8 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-01 16:37:34,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:34,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2162 states to 1746 states and 2162 transitions. [2018-12-01 16:37:34,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2162 transitions. [2018-12-01 16:37:34,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-01 16:37:34,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:34,418 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 118 proven. 8 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-01 16:37:34,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:34,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 1752 states and 2167 transitions. [2018-12-01 16:37:34,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 2167 transitions. [2018-12-01 16:37:34,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-01 16:37:34,577 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:34,635 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 118 proven. 8 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-01 16:37:34,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:34,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 1762 states and 2176 transitions. [2018-12-01 16:37:34,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2176 transitions. [2018-12-01 16:37:34,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-01 16:37:34,702 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-01 16:37:35,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:35,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 1767 states and 2183 transitions. [2018-12-01 16:37:35,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 2183 transitions. [2018-12-01 16:37:35,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-01 16:37:35,404 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:35,428 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-01 16:37:35,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:35,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 1772 states and 2187 transitions. [2018-12-01 16:37:35,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1772 states and 2187 transitions. [2018-12-01 16:37:35,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-01 16:37:35,677 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:35,701 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-01 16:37:35,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:35,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 1775 states and 2189 transitions. [2018-12-01 16:37:35,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2189 transitions. [2018-12-01 16:37:35,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-01 16:37:35,853 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:35,877 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-01 16:37:36,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:36,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2190 states to 1777 states and 2190 transitions. [2018-12-01 16:37:36,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 2190 transitions. [2018-12-01 16:37:36,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 16:37:36,207 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:36,253 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-01 16:37:36,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:36,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2190 states to 1778 states and 2190 transitions. [2018-12-01 16:37:36,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 2190 transitions. [2018-12-01 16:37:36,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 16:37:36,282 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:36,340 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 16:37:36,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:36,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2194 states to 1782 states and 2194 transitions. [2018-12-01 16:37:36,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1782 states and 2194 transitions. [2018-12-01 16:37:36,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 16:37:36,594 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:36,619 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 16:37:36,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:36,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 1785 states and 2197 transitions. [2018-12-01 16:37:36,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1785 states and 2197 transitions. [2018-12-01 16:37:36,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-01 16:37:36,867 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:36,922 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 130 proven. 10 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-01 16:37:37,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:37,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2238 states to 1823 states and 2238 transitions. [2018-12-01 16:37:37,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2238 transitions. [2018-12-01 16:37:37,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-01 16:37:37,780 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:37,804 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:37:38,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:38,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 1829 states and 2244 transitions. [2018-12-01 16:37:38,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1829 states and 2244 transitions. [2018-12-01 16:37:38,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-01 16:37:38,102 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:38,126 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:37:38,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:38,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2250 states to 1835 states and 2250 transitions. [2018-12-01 16:37:38,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2250 transitions. [2018-12-01 16:37:38,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-01 16:37:38,418 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:38,444 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:37:38,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:38,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 1837 states and 2251 transitions. [2018-12-01 16:37:38,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 2251 transitions. [2018-12-01 16:37:38,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-01 16:37:38,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:38,651 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:37:38,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:38,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2252 states to 1839 states and 2252 transitions. [2018-12-01 16:37:38,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2252 transitions. [2018-12-01 16:37:38,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-01 16:37:38,795 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:38,818 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-01 16:37:38,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:38,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 1842 states and 2256 transitions. [2018-12-01 16:37:38,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2256 transitions. [2018-12-01 16:37:38,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-01 16:37:38,978 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:39,024 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-01 16:37:39,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:39,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2257 states to 1844 states and 2257 transitions. [2018-12-01 16:37:39,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1844 states and 2257 transitions. [2018-12-01 16:37:39,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 16:37:39,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:39,307 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 126 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 16:37:40,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:40,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2280 states to 1863 states and 2280 transitions. [2018-12-01 16:37:40,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 2280 transitions. [2018-12-01 16:37:40,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 16:37:40,150 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:40,186 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 126 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 16:37:41,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:41,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2285 states to 1867 states and 2285 transitions. [2018-12-01 16:37:41,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1867 states and 2285 transitions. [2018-12-01 16:37:41,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 16:37:41,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:41,286 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 126 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 16:37:41,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:41,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2288 states to 1870 states and 2288 transitions. [2018-12-01 16:37:41,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2288 transitions. [2018-12-01 16:37:41,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-12-01 16:37:41,746 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:41,771 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-01 16:37:41,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:41,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 1882 states and 2299 transitions. [2018-12-01 16:37:41,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 2299 transitions. [2018-12-01 16:37:41,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-12-01 16:37:41,823 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:41,848 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-01 16:37:43,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:43,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 1886 states and 2303 transitions. [2018-12-01 16:37:43,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 2303 transitions. [2018-12-01 16:37:43,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-01 16:37:43,135 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:43,167 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-01 16:37:43,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:43,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 1887 states and 2303 transitions. [2018-12-01 16:37:43,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2303 transitions. [2018-12-01 16:37:43,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-01 16:37:43,374 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:43,402 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-01 16:37:43,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:43,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2313 states to 1898 states and 2313 transitions. [2018-12-01 16:37:43,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 2313 transitions. [2018-12-01 16:37:43,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-01 16:37:43,589 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:43,617 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-01 16:37:43,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:43,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2320 states to 1905 states and 2320 transitions. [2018-12-01 16:37:43,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1905 states and 2320 transitions. [2018-12-01 16:37:43,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-01 16:37:43,832 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:43,859 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-01 16:37:44,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:44,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 1909 states and 2323 transitions. [2018-12-01 16:37:44,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 2323 transitions. [2018-12-01 16:37:44,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-01 16:37:44,027 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:44,087 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 116 proven. 10 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-01 16:37:45,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:45,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 1934 states and 2349 transitions. [2018-12-01 16:37:45,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1934 states and 2349 transitions. [2018-12-01 16:37:45,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-01 16:37:45,085 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:45,110 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 16:37:45,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:45,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2390 states to 1969 states and 2390 transitions. [2018-12-01 16:37:45,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2390 transitions. [2018-12-01 16:37:45,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-01 16:37:45,502 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:45,528 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 16:37:45,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:45,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 1972 states and 2392 transitions. [2018-12-01 16:37:45,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 2392 transitions. [2018-12-01 16:37:45,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-01 16:37:45,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:45,867 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 16:37:46,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:46,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 1975 states and 2396 transitions. [2018-12-01 16:37:46,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2396 transitions. [2018-12-01 16:37:46,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-01 16:37:46,215 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:46,241 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 16:37:46,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:46,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2398 states to 1978 states and 2398 transitions. [2018-12-01 16:37:46,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2398 transitions. [2018-12-01 16:37:46,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-01 16:37:46,592 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:46,633 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 131 proven. 15 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-01 16:37:47,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:47,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2424 states to 2005 states and 2424 transitions. [2018-12-01 16:37:47,139 INFO L276 IsEmpty]: Start isEmpty. Operand 2005 states and 2424 transitions. [2018-12-01 16:37:47,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-01 16:37:47,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:47,191 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:37:49,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:49,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2466 states to 2036 states and 2466 transitions. [2018-12-01 16:37:49,270 INFO L276 IsEmpty]: Start isEmpty. Operand 2036 states and 2466 transitions. [2018-12-01 16:37:49,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-01 16:37:49,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:49,333 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:37:49,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:49,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2038 states and 2467 transitions. [2018-12-01 16:37:49,623 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 2467 transitions. [2018-12-01 16:37:49,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-01 16:37:49,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:49,679 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:37:50,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:50,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2468 states to 2040 states and 2468 transitions. [2018-12-01 16:37:50,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2040 states and 2468 transitions. [2018-12-01 16:37:50,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-01 16:37:50,010 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:50,039 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-01 16:37:50,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:50,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2046 states and 2474 transitions. [2018-12-01 16:37:50,081 INFO L276 IsEmpty]: Start isEmpty. Operand 2046 states and 2474 transitions. [2018-12-01 16:37:50,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-01 16:37:50,082 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:50,111 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-01 16:37:50,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:50,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2476 states to 2047 states and 2476 transitions. [2018-12-01 16:37:50,477 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 2476 transitions. [2018-12-01 16:37:50,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-01 16:37:50,478 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:50,507 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-01 16:37:50,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:50,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2479 states to 2050 states and 2479 transitions. [2018-12-01 16:37:50,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2050 states and 2479 transitions. [2018-12-01 16:37:50,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-01 16:37:50,807 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:50,875 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-01 16:37:51,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:51,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2482 states to 2053 states and 2482 transitions. [2018-12-01 16:37:51,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2053 states and 2482 transitions. [2018-12-01 16:37:51,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-01 16:37:51,257 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:51,284 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 16:37:51,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:51,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 2055 states and 2483 transitions. [2018-12-01 16:37:51,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2055 states and 2483 transitions. [2018-12-01 16:37:51,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-12-01 16:37:51,566 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:51,599 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-01 16:37:51,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:51,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2059 states and 2487 transitions. [2018-12-01 16:37:51,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 2487 transitions. [2018-12-01 16:37:51,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-12-01 16:37:51,795 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:51,827 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-01 16:37:52,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:52,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2071 states and 2498 transitions. [2018-12-01 16:37:52,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2498 transitions. [2018-12-01 16:37:52,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-01 16:37:52,034 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:52,726 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-01 16:37:58,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:58,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2550 states to 2122 states and 2550 transitions. [2018-12-01 16:37:58,733 INFO L276 IsEmpty]: Start isEmpty. Operand 2122 states and 2550 transitions. [2018-12-01 16:37:58,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-01 16:37:58,734 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:58,803 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-01 16:37:59,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:59,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2555 states to 2128 states and 2555 transitions. [2018-12-01 16:37:59,245 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 2555 transitions. [2018-12-01 16:37:59,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-01 16:37:59,246 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:59,283 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-01 16:37:59,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:59,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 2131 states and 2558 transitions. [2018-12-01 16:37:59,629 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 2558 transitions. [2018-12-01 16:37:59,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-01 16:37:59,630 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:59,658 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:38:01,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:01,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 2163 states and 2591 transitions. [2018-12-01 16:38:01,785 INFO L276 IsEmpty]: Start isEmpty. Operand 2163 states and 2591 transitions. [2018-12-01 16:38:01,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-01 16:38:01,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:01,813 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:38:02,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:02,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2608 states to 2178 states and 2608 transitions. [2018-12-01 16:38:02,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 2608 transitions. [2018-12-01 16:38:02,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-01 16:38:02,460 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:02,489 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:38:03,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:03,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2640 states to 2210 states and 2640 transitions. [2018-12-01 16:38:03,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 2640 transitions. [2018-12-01 16:38:03,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-01 16:38:03,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:03,943 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:38:04,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:04,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2656 states to 2225 states and 2656 transitions. [2018-12-01 16:38:04,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2225 states and 2656 transitions. [2018-12-01 16:38:04,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-01 16:38:04,957 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:04,984 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:38:05,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:05,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2657 states to 2227 states and 2657 transitions. [2018-12-01 16:38:05,381 INFO L276 IsEmpty]: Start isEmpty. Operand 2227 states and 2657 transitions. [2018-12-01 16:38:05,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-01 16:38:05,382 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:06,161 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-01 16:38:08,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:08,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2682 states to 2252 states and 2682 transitions. [2018-12-01 16:38:08,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2252 states and 2682 transitions. [2018-12-01 16:38:08,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-01 16:38:08,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:08,358 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-01 16:38:09,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:09,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2723 states to 2293 states and 2723 transitions. [2018-12-01 16:38:09,457 INFO L276 IsEmpty]: Start isEmpty. Operand 2293 states and 2723 transitions. [2018-12-01 16:38:09,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-01 16:38:09,458 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:09,545 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-01 16:38:09,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:09,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 2299 states and 2728 transitions. [2018-12-01 16:38:09,802 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 2728 transitions. [2018-12-01 16:38:09,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-01 16:38:09,803 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:09,855 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-01 16:38:10,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:10,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2301 states and 2730 transitions. [2018-12-01 16:38:10,385 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 2730 transitions. [2018-12-01 16:38:10,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-01 16:38:10,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:10,431 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-12-01 16:38:13,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:13,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2811 states to 2380 states and 2811 transitions. [2018-12-01 16:38:13,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2380 states and 2811 transitions. [2018-12-01 16:38:13,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-01 16:38:13,444 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:13,561 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-01 16:38:14,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:14,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2411 states and 2841 transitions. [2018-12-01 16:38:14,563 INFO L276 IsEmpty]: Start isEmpty. Operand 2411 states and 2841 transitions. [2018-12-01 16:38:14,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-01 16:38:14,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:14,618 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-01 16:38:14,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:14,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2412 states and 2841 transitions. [2018-12-01 16:38:14,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2412 states and 2841 transitions. [2018-12-01 16:38:14,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-12-01 16:38:14,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:16,397 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 240 proven. 28 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-01 16:38:19,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:19,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 2432 states and 2869 transitions. [2018-12-01 16:38:19,576 INFO L276 IsEmpty]: Start isEmpty. Operand 2432 states and 2869 transitions. [2018-12-01 16:38:19,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-12-01 16:38:19,577 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:19,702 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 200 proven. 1 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-12-01 16:38:24,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:24,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2466 states and 2916 transitions. [2018-12-01 16:38:24,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2466 states and 2916 transitions. [2018-12-01 16:38:24,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-12-01 16:38:24,065 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:24,144 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 200 proven. 1 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-12-01 16:38:24,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:24,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2474 states and 2926 transitions. [2018-12-01 16:38:24,614 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 2926 transitions. [2018-12-01 16:38:24,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-12-01 16:38:24,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:24,681 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 200 proven. 1 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-12-01 16:38:28,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:28,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2950 states to 2497 states and 2950 transitions. [2018-12-01 16:38:28,017 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 2950 transitions. [2018-12-01 16:38:28,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-12-01 16:38:28,019 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:28,089 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 200 proven. 1 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-12-01 16:38:28,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:28,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2963 states to 2510 states and 2963 transitions. [2018-12-01 16:38:28,932 INFO L276 IsEmpty]: Start isEmpty. Operand 2510 states and 2963 transitions. [2018-12-01 16:38:28,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-12-01 16:38:28,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:28,996 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 200 proven. 1 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-12-01 16:38:31,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:31,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2987 states to 2534 states and 2987 transitions. [2018-12-01 16:38:31,316 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 2987 transitions. [2018-12-01 16:38:31,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-12-01 16:38:31,318 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:31,416 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 200 proven. 1 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-12-01 16:38:32,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:32,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2996 states to 2544 states and 2996 transitions. [2018-12-01 16:38:32,690 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 2996 transitions. [2018-12-01 16:38:32,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-12-01 16:38:32,691 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:32,757 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 200 proven. 1 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-12-01 16:38:33,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:33,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3007 states to 2556 states and 3007 transitions. [2018-12-01 16:38:33,342 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 3007 transitions. [2018-12-01 16:38:33,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-12-01 16:38:33,343 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:33,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:33,408 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 200 proven. 1 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-12-01 16:38:34,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:34,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3011 states to 2560 states and 3011 transitions. [2018-12-01 16:38:34,268 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 3011 transitions. [2018-12-01 16:38:34,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-12-01 16:38:34,270 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:34,331 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 200 proven. 1 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-12-01 16:38:35,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:35,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3014 states to 2564 states and 3014 transitions. [2018-12-01 16:38:35,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 3014 transitions. [2018-12-01 16:38:35,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-12-01 16:38:35,003 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:35,240 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-01 16:38:37,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:37,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3023 states to 2571 states and 3023 transitions. [2018-12-01 16:38:37,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2571 states and 3023 transitions. [2018-12-01 16:38:37,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-01 16:38:37,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:38,284 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 16:38:41,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:41,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3100 states to 2646 states and 3100 transitions. [2018-12-01 16:38:41,987 INFO L276 IsEmpty]: Start isEmpty. Operand 2646 states and 3100 transitions. [2018-12-01 16:38:41,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-01 16:38:41,988 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:42,087 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 16:38:42,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:42,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3102 states to 2649 states and 3102 transitions. [2018-12-01 16:38:42,449 INFO L276 IsEmpty]: Start isEmpty. Operand 2649 states and 3102 transitions. [2018-12-01 16:38:42,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-01 16:38:42,450 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:42,507 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-01 16:38:42,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:42,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3103 states to 2651 states and 3103 transitions. [2018-12-01 16:38:42,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2651 states and 3103 transitions. [2018-12-01 16:38:42,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-12-01 16:38:42,721 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:42,951 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-01 16:38:46,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:46,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3152 states to 2695 states and 3152 transitions. [2018-12-01 16:38:46,739 INFO L276 IsEmpty]: Start isEmpty. Operand 2695 states and 3152 transitions. [2018-12-01 16:38:46,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-12-01 16:38:46,742 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:46,826 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-01 16:38:48,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:48,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 2720 states and 3177 transitions. [2018-12-01 16:38:48,487 INFO L276 IsEmpty]: Start isEmpty. Operand 2720 states and 3177 transitions. [2018-12-01 16:38:48,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-12-01 16:38:48,489 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:48,567 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-01 16:38:49,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:49,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3190 states to 2735 states and 3190 transitions. [2018-12-01 16:38:49,512 INFO L276 IsEmpty]: Start isEmpty. Operand 2735 states and 3190 transitions. [2018-12-01 16:38:49,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-01 16:38:49,513 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:49,544 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-01 16:38:49,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:49,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3201 states to 2739 states and 3201 transitions. [2018-12-01 16:38:49,959 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3201 transitions. [2018-12-01 16:38:49,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-01 16:38:49,961 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:49,992 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-01 16:38:50,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:50,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3203 states to 2741 states and 3203 transitions. [2018-12-01 16:38:50,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2741 states and 3203 transitions. [2018-12-01 16:38:50,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-01 16:38:50,494 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:50,601 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-01 16:38:55,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:55,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3223 states to 2759 states and 3223 transitions. [2018-12-01 16:38:55,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3223 transitions. [2018-12-01 16:38:55,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-01 16:38:55,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:55,833 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-01 16:38:57,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:57,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3235 states to 2772 states and 3235 transitions. [2018-12-01 16:38:57,917 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 3235 transitions. [2018-12-01 16:38:57,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-12-01 16:38:57,918 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:59,206 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-01 16:39:03,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:03,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3309 states to 2844 states and 3309 transitions. [2018-12-01 16:39:03,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2844 states and 3309 transitions. [2018-12-01 16:39:03,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-12-01 16:39:03,315 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:03,515 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-01 16:39:04,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:04,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 2847 states and 3311 transitions. [2018-12-01 16:39:04,335 INFO L276 IsEmpty]: Start isEmpty. Operand 2847 states and 3311 transitions. [2018-12-01 16:39:04,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-12-01 16:39:04,338 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:04,469 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-01 16:39:04,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:04,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 2848 states and 3311 transitions. [2018-12-01 16:39:04,847 INFO L276 IsEmpty]: Start isEmpty. Operand 2848 states and 3311 transitions. [2018-12-01 16:39:04,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-12-01 16:39:04,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:05,991 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 292 proven. 61 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-01 16:39:11,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:11,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3364 states to 2887 states and 3364 transitions. [2018-12-01 16:39:11,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2887 states and 3364 transitions. [2018-12-01 16:39:11,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-12-01 16:39:11,874 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:12,320 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 292 proven. 61 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-01 16:39:13,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:13,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3372 states to 2894 states and 3372 transitions. [2018-12-01 16:39:13,765 INFO L276 IsEmpty]: Start isEmpty. Operand 2894 states and 3372 transitions. [2018-12-01 16:39:13,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-12-01 16:39:13,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:14,285 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 292 proven. 61 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-01 16:39:15,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:15,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 2899 states and 3381 transitions. [2018-12-01 16:39:15,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 3381 transitions. [2018-12-01 16:39:15,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-12-01 16:39:15,957 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:16,383 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 292 proven. 61 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-01 16:39:16,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:16,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3383 states to 2902 states and 3383 transitions. [2018-12-01 16:39:16,883 INFO L276 IsEmpty]: Start isEmpty. Operand 2902 states and 3383 transitions. [2018-12-01 16:39:16,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-12-01 16:39:16,885 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:17,321 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 292 proven. 61 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-01 16:39:18,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:18,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3387 states to 2905 states and 3387 transitions. [2018-12-01 16:39:18,239 INFO L276 IsEmpty]: Start isEmpty. Operand 2905 states and 3387 transitions. [2018-12-01 16:39:18,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-12-01 16:39:18,241 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:18,668 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 292 proven. 61 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-01 16:39:19,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:19,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3392 states to 2907 states and 3392 transitions. [2018-12-01 16:39:19,140 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 3392 transitions. [2018-12-01 16:39:19,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-12-01 16:39:19,141 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:19,576 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 292 proven. 61 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-01 16:39:20,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:20,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3394 states to 2909 states and 3394 transitions. [2018-12-01 16:39:20,162 INFO L276 IsEmpty]: Start isEmpty. Operand 2909 states and 3394 transitions. [2018-12-01 16:39:20,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-12-01 16:39:20,163 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:20,264 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-01 16:39:22,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:22,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3431 states to 2945 states and 3431 transitions. [2018-12-01 16:39:22,138 INFO L276 IsEmpty]: Start isEmpty. Operand 2945 states and 3431 transitions. [2018-12-01 16:39:22,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-12-01 16:39:22,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:22,227 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-01 16:39:22,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:22,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3432 states to 2946 states and 3432 transitions. [2018-12-01 16:39:22,524 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 3432 transitions. [2018-12-01 16:39:22,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-12-01 16:39:22,525 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:22,619 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-01 16:39:22,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:22,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3434 states to 2948 states and 3434 transitions. [2018-12-01 16:39:22,932 INFO L276 IsEmpty]: Start isEmpty. Operand 2948 states and 3434 transitions. [2018-12-01 16:39:22,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-01 16:39:22,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:22,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:23,607 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 291 proven. 68 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-01 16:39:30,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:30,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 2976 states and 3477 transitions. [2018-12-01 16:39:30,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2976 states and 3477 transitions. [2018-12-01 16:39:30,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-01 16:39:30,536 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:31,506 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 291 proven. 68 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-01 16:39:34,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:34,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3485 states to 2981 states and 3485 transitions. [2018-12-01 16:39:34,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2981 states and 3485 transitions. [2018-12-01 16:39:34,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-01 16:39:34,641 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:35,338 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 291 proven. 68 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-01 16:39:36,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:36,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3493 states to 2986 states and 3493 transitions. [2018-12-01 16:39:36,768 INFO L276 IsEmpty]: Start isEmpty. Operand 2986 states and 3493 transitions. [2018-12-01 16:39:36,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-01 16:39:36,770 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:37,441 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 291 proven. 68 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-01 16:39:38,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:38,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3495 states to 2988 states and 3495 transitions. [2018-12-01 16:39:38,006 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 3495 transitions. [2018-12-01 16:39:38,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-01 16:39:38,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:38,972 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 291 proven. 68 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-01 16:39:39,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:39,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3497 states to 2990 states and 3497 transitions. [2018-12-01 16:39:39,734 INFO L276 IsEmpty]: Start isEmpty. Operand 2990 states and 3497 transitions. [2018-12-01 16:39:39,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-01 16:39:39,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:40,406 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 291 proven. 68 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-01 16:39:40,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:40,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3499 states to 2993 states and 3499 transitions. [2018-12-01 16:39:40,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2993 states and 3499 transitions. [2018-12-01 16:39:40,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-01 16:39:40,958 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:41,811 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 291 proven. 68 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-01 16:39:42,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:42,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3504 states to 2998 states and 3504 transitions. [2018-12-01 16:39:42,311 INFO L276 IsEmpty]: Start isEmpty. Operand 2998 states and 3504 transitions. [2018-12-01 16:39:42,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-01 16:39:42,313 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:42,648 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 288 proven. 4 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-01 16:39:45,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:45,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3562 states to 3049 states and 3562 transitions. [2018-12-01 16:39:45,806 INFO L276 IsEmpty]: Start isEmpty. Operand 3049 states and 3562 transitions. [2018-12-01 16:39:45,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-01 16:39:45,807 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:45,925 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 288 proven. 4 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-01 16:39:47,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:47,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3578 states to 3062 states and 3578 transitions. [2018-12-01 16:39:47,459 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 3578 transitions. [2018-12-01 16:39:47,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-01 16:39:47,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:47,571 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 288 proven. 4 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-01 16:39:48,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:48,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3593 states to 3076 states and 3593 transitions. [2018-12-01 16:39:48,440 INFO L276 IsEmpty]: Start isEmpty. Operand 3076 states and 3593 transitions. [2018-12-01 16:39:48,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-01 16:39:48,441 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:48,566 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 288 proven. 4 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-01 16:39:49,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:49,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3606 states to 3088 states and 3606 transitions. [2018-12-01 16:39:49,654 INFO L276 IsEmpty]: Start isEmpty. Operand 3088 states and 3606 transitions. [2018-12-01 16:39:49,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-01 16:39:49,655 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:49,770 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 288 proven. 4 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-01 16:39:50,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:50,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3633 states to 3115 states and 3633 transitions. [2018-12-01 16:39:50,349 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 3633 transitions. [2018-12-01 16:39:50,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-01 16:39:50,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:50,457 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-01 16:39:51,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:51,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3643 states to 3124 states and 3643 transitions. [2018-12-01 16:39:51,845 INFO L276 IsEmpty]: Start isEmpty. Operand 3124 states and 3643 transitions. [2018-12-01 16:39:51,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-01 16:39:51,847 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:51,939 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-01 16:39:52,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:52,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3651 states to 3133 states and 3651 transitions. [2018-12-01 16:39:52,812 INFO L276 IsEmpty]: Start isEmpty. Operand 3133 states and 3651 transitions. [2018-12-01 16:39:52,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-01 16:39:52,814 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:52,921 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-01 16:39:53,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:53,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3666 states to 3149 states and 3666 transitions. [2018-12-01 16:39:53,772 INFO L276 IsEmpty]: Start isEmpty. Operand 3149 states and 3666 transitions. [2018-12-01 16:39:53,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-01 16:39:53,774 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:53,878 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 195 proven. 15 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2018-12-01 16:39:55,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:55,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3702 states to 3178 states and 3702 transitions. [2018-12-01 16:39:55,212 INFO L276 IsEmpty]: Start isEmpty. Operand 3178 states and 3702 transitions. [2018-12-01 16:39:55,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-01 16:39:55,213 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:55,309 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 195 proven. 15 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2018-12-01 16:39:56,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:56,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3716 states to 3191 states and 3716 transitions. [2018-12-01 16:39:56,871 INFO L276 IsEmpty]: Start isEmpty. Operand 3191 states and 3716 transitions. [2018-12-01 16:39:56,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-01 16:39:56,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:56,978 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 195 proven. 15 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2018-12-01 16:40:00,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:00,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3752 states to 3218 states and 3752 transitions. [2018-12-01 16:40:00,365 INFO L276 IsEmpty]: Start isEmpty. Operand 3218 states and 3752 transitions. [2018-12-01 16:40:00,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-01 16:40:00,366 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:00,456 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 195 proven. 15 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2018-12-01 16:40:01,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:01,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3763 states to 3230 states and 3763 transitions. [2018-12-01 16:40:01,338 INFO L276 IsEmpty]: Start isEmpty. Operand 3230 states and 3763 transitions. [2018-12-01 16:40:01,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-01 16:40:01,340 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:01,434 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 195 proven. 15 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2018-12-01 16:40:02,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:02,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3780 states to 3247 states and 3780 transitions. [2018-12-01 16:40:02,956 INFO L276 IsEmpty]: Start isEmpty. Operand 3247 states and 3780 transitions. [2018-12-01 16:40:02,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-01 16:40:02,958 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:03,045 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 195 proven. 15 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2018-12-01 16:40:03,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:03,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3787 states to 3254 states and 3787 transitions. [2018-12-01 16:40:03,458 INFO L276 IsEmpty]: Start isEmpty. Operand 3254 states and 3787 transitions. [2018-12-01 16:40:03,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-01 16:40:03,459 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:03,632 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 195 proven. 15 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2018-12-01 16:40:05,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:05,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3803 states to 3267 states and 3803 transitions. [2018-12-01 16:40:05,927 INFO L276 IsEmpty]: Start isEmpty. Operand 3267 states and 3803 transitions. [2018-12-01 16:40:05,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-01 16:40:05,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:06,030 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 195 proven. 15 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2018-12-01 16:40:07,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:07,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3816 states to 3278 states and 3816 transitions. [2018-12-01 16:40:07,722 INFO L276 IsEmpty]: Start isEmpty. Operand 3278 states and 3816 transitions. [2018-12-01 16:40:07,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-01 16:40:07,723 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:07,816 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 195 proven. 15 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2018-12-01 16:40:08,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:08,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3817 states to 3279 states and 3817 transitions. [2018-12-01 16:40:08,376 INFO L276 IsEmpty]: Start isEmpty. Operand 3279 states and 3817 transitions. [2018-12-01 16:40:08,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-01 16:40:08,378 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:08,478 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 195 proven. 15 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2018-12-01 16:40:09,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:09,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3817 states to 3280 states and 3817 transitions. [2018-12-01 16:40:09,633 INFO L276 IsEmpty]: Start isEmpty. Operand 3280 states and 3817 transitions. [2018-12-01 16:40:09,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-01 16:40:09,635 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:09,735 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 195 proven. 15 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2018-12-01 16:40:10,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:10,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3817 states to 3281 states and 3817 transitions. [2018-12-01 16:40:10,383 INFO L276 IsEmpty]: Start isEmpty. Operand 3281 states and 3817 transitions. [2018-12-01 16:40:10,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-01 16:40:10,385 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:10,451 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 200 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-12-01 16:40:10,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:10,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3820 states to 3285 states and 3820 transitions. [2018-12-01 16:40:10,724 INFO L276 IsEmpty]: Start isEmpty. Operand 3285 states and 3820 transitions. [2018-12-01 16:40:10,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-01 16:40:10,726 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:10,797 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-12-01 16:40:10,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:10,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3820 states to 3286 states and 3820 transitions. [2018-12-01 16:40:10,869 INFO L276 IsEmpty]: Start isEmpty. Operand 3286 states and 3820 transitions. [2018-12-01 16:40:10,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 16:40:10,870 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:11,063 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 388 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 16:40:12,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:12,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3845 states to 3304 states and 3845 transitions. [2018-12-01 16:40:12,627 INFO L276 IsEmpty]: Start isEmpty. Operand 3304 states and 3845 transitions. [2018-12-01 16:40:12,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 16:40:12,629 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:12,757 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 388 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 16:40:13,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:13,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3850 states to 3310 states and 3850 transitions. [2018-12-01 16:40:13,144 INFO L276 IsEmpty]: Start isEmpty. Operand 3310 states and 3850 transitions. [2018-12-01 16:40:13,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 16:40:13,146 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:13,269 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 388 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 16:40:14,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:14,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3867 states to 3327 states and 3867 transitions. [2018-12-01 16:40:14,582 INFO L276 IsEmpty]: Start isEmpty. Operand 3327 states and 3867 transitions. [2018-12-01 16:40:14,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 16:40:14,584 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:14,715 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 388 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 16:40:14,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:14,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3869 states to 3328 states and 3869 transitions. [2018-12-01 16:40:14,991 INFO L276 IsEmpty]: Start isEmpty. Operand 3328 states and 3869 transitions. [2018-12-01 16:40:14,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 16:40:14,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:15,134 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 388 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 16:40:15,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:15,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3876 states to 3335 states and 3876 transitions. [2018-12-01 16:40:15,809 INFO L276 IsEmpty]: Start isEmpty. Operand 3335 states and 3876 transitions. [2018-12-01 16:40:15,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 16:40:15,810 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:15,950 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 388 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 16:40:17,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:17,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3886 states to 3346 states and 3886 transitions. [2018-12-01 16:40:17,796 INFO L276 IsEmpty]: Start isEmpty. Operand 3346 states and 3886 transitions. [2018-12-01 16:40:17,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 16:40:17,798 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:18,024 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 388 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 16:40:18,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:18,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3890 states to 3350 states and 3890 transitions. [2018-12-01 16:40:18,451 INFO L276 IsEmpty]: Start isEmpty. Operand 3350 states and 3890 transitions. [2018-12-01 16:40:18,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 16:40:18,453 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:18,600 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 388 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 16:40:20,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:20,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3895 states to 3356 states and 3895 transitions. [2018-12-01 16:40:20,048 INFO L276 IsEmpty]: Start isEmpty. Operand 3356 states and 3895 transitions. [2018-12-01 16:40:20,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-01 16:40:20,050 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:20,151 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 305 proven. 2 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2018-12-01 16:40:20,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:20,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3904 states to 3365 states and 3904 transitions. [2018-12-01 16:40:20,438 INFO L276 IsEmpty]: Start isEmpty. Operand 3365 states and 3904 transitions. [2018-12-01 16:40:20,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-01 16:40:20,440 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:20,533 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 305 proven. 2 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2018-12-01 16:40:21,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:21,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3904 states to 3366 states and 3904 transitions. [2018-12-01 16:40:21,334 INFO L276 IsEmpty]: Start isEmpty. Operand 3366 states and 3904 transitions. [2018-12-01 16:40:21,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-01 16:40:21,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:21,465 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 475 proven. 4 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 16:40:21,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:21,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3910 states to 3373 states and 3910 transitions. [2018-12-01 16:40:21,729 INFO L276 IsEmpty]: Start isEmpty. Operand 3373 states and 3910 transitions. [2018-12-01 16:40:21,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-01 16:40:21,731 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:21,840 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 475 proven. 4 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 16:40:23,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:23,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3384 states and 3920 transitions. [2018-12-01 16:40:23,645 INFO L276 IsEmpty]: Start isEmpty. Operand 3384 states and 3920 transitions. [2018-12-01 16:40:23,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-01 16:40:23,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:23,766 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 475 proven. 4 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 16:40:24,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:24,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3926 states to 3390 states and 3926 transitions. [2018-12-01 16:40:24,294 INFO L276 IsEmpty]: Start isEmpty. Operand 3390 states and 3926 transitions. [2018-12-01 16:40:24,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-01 16:40:24,296 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:24,419 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 475 proven. 4 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 16:40:25,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:25,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3939 states to 3400 states and 3939 transitions. [2018-12-01 16:40:25,593 INFO L276 IsEmpty]: Start isEmpty. Operand 3400 states and 3939 transitions. [2018-12-01 16:40:25,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-01 16:40:25,595 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:25,710 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 475 proven. 4 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 16:40:26,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:26,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3948 states to 3409 states and 3948 transitions. [2018-12-01 16:40:26,493 INFO L276 IsEmpty]: Start isEmpty. Operand 3409 states and 3948 transitions. [2018-12-01 16:40:26,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-01 16:40:26,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:26,622 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 475 proven. 4 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 16:40:27,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:27,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3949 states to 3410 states and 3949 transitions. [2018-12-01 16:40:27,308 INFO L276 IsEmpty]: Start isEmpty. Operand 3410 states and 3949 transitions. [2018-12-01 16:40:27,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-01 16:40:27,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:27,429 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 475 proven. 4 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 16:40:27,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:27,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3955 states to 3417 states and 3955 transitions. [2018-12-01 16:40:27,741 INFO L276 IsEmpty]: Start isEmpty. Operand 3417 states and 3955 transitions. [2018-12-01 16:40:27,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-01 16:40:27,743 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:27,878 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 475 proven. 4 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 16:40:28,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:28,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 3146 states and 3654 transitions. [2018-12-01 16:40:28,411 INFO L276 IsEmpty]: Start isEmpty. Operand 3146 states and 3654 transitions. [2018-12-01 16:40:28,412 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 16:40:28,413 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 284 iterations. [2018-12-01 16:40:28,418 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 16:40:28,528 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 17 [2018-12-01 16:40:28,634 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 17 [2018-12-01 16:40:28,767 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-12-01 16:40:29,010 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 17 [2018-12-01 16:40:29,179 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 17 [2018-12-01 16:40:29,436 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-12-01 16:40:29,540 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-12-01 16:40:29,834 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 17 [2018-12-01 16:40:29,957 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 17 [2018-12-01 16:40:30,120 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 17 [2018-12-01 16:40:30,308 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 17 [2018-12-01 16:40:30,414 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 17 [2018-12-01 16:40:30,561 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2018-12-01 16:40:30,666 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 17 [2018-12-01 16:40:30,777 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 17 [2018-12-01 16:40:30,968 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-12-01 16:40:31,288 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2018-12-01 16:40:31,494 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 53 [2018-12-01 16:40:31,606 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 17 [2018-12-01 16:40:31,740 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 17 [2018-12-01 16:40:31,848 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 17 [2018-12-01 16:40:31,952 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 17 [2018-12-01 16:40:32,058 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 17 [2018-12-01 16:40:32,182 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 17 [2018-12-01 16:40:32,284 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 17 [2018-12-01 16:40:32,392 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 17 [2018-12-01 16:40:32,688 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 17 [2018-12-01 16:40:32,849 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 17 [2018-12-01 16:40:32,965 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 17 [2018-12-01 16:40:33,075 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 17 [2018-12-01 16:40:33,222 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 17 [2018-12-01 16:40:33,333 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 17 [2018-12-01 16:40:33,438 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 17 [2018-12-01 16:40:33,555 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 17 [2018-12-01 16:40:33,751 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 17 [2018-12-01 16:40:34,007 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-12-01 16:40:34,517 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 17 [2018-12-01 16:40:34,648 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 17 [2018-12-01 16:40:34,814 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 17 [2018-12-01 16:40:35,114 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 17 [2018-12-01 16:40:35,287 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2018-12-01 16:40:35,397 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 17 [2018-12-01 16:40:35,653 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 17 [2018-12-01 16:40:35,773 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 17 [2018-12-01 16:40:35,904 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 17 [2018-12-01 16:40:36,038 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 17 [2018-12-01 16:40:36,154 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 17 [2018-12-01 16:40:36,331 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 51 [2018-12-01 16:40:36,437 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 17 [2018-12-01 16:40:36,589 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:40:36,590 INFO L583 CodeCheckObserver]: Invariant with dag size 17 [2018-12-01 16:40:36,595 INFO L583 CodeCheckObserver]: Invariant with dag size 17 [2018-12-01 16:40:36,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:40:36 ImpRootNode [2018-12-01 16:40:36,595 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 16:40:36,596 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 16:40:36,596 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 16:40:36,596 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 16:40:36,596 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:36:25" (3/4) ... [2018-12-01 16:40:36,598 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 16:40:36,609 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2018-12-01 16:40:36,609 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-01 16:40:36,610 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-01 16:40:36,610 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 16:40:36,665 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_54bdd0cf-dd53-4139-bb41-ad271edd975a/bin-2019/ukojak/witness.graphml [2018-12-01 16:40:36,665 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 16:40:36,666 INFO L168 Benchmark]: Toolchain (without parser) took 252859.20 ms. Allocated memory was 1.0 GB in the beginning and 4.1 GB in the end (delta: 3.1 GB). Free memory was 945.2 MB in the beginning and 1.0 GB in the end (delta: -101.5 MB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. [2018-12-01 16:40:36,666 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. [2018-12-01 16:40:36,666 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -148.5 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-12-01 16:40:36,666 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.89 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 16:40:36,666 INFO L168 Benchmark]: Boogie Preprocessor took 38.53 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 16:40:36,666 INFO L168 Benchmark]: RCFGBuilder took 1028.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 864.2 MB in the end (delta: 218.7 MB). Peak memory consumption was 218.7 MB. Max. memory is 11.5 GB. [2018-12-01 16:40:36,667 INFO L168 Benchmark]: CodeCheck took 251370.87 ms. Allocated memory was 1.1 GB in the beginning and 4.1 GB in the end (delta: 3.0 GB). Free memory was 864.2 MB in the beginning and 1.1 GB in the end (delta: -241.1 MB). Peak memory consumption was 3.1 GB. Max. memory is 11.5 GB. [2018-12-01 16:40:36,667 INFO L168 Benchmark]: Witness Printer took 69.37 ms. Allocated memory is still 4.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. [2018-12-01 16:40:36,668 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, 243.1s OverallTime, 284 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 524288 SDtfs, -1724855976 SDslu, 3145728 SDs, 0 SdLazy, -43252892 SolverSat, 1611400272 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1375.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 355069 GetRequests, 347895 SyntacticMatches, 5164 SemanticMatches, 2010 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3152234 ImplicationChecksByTransitivity, 212.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.9s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 22.3s InterpolantComputationTime, 53311 NumberOfCodeBlocks, 53311 NumberOfCodeBlocksAsserted, 283 NumberOfCheckSat, 53028 ConstructedInterpolants, 0 QuantifiedInterpolants, 35193225 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 283 InterpolantComputations, 201 PerfectInterpolantSequences, 50947/52308 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: 502]: 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: (!(a11 == 1) || (!(a28 == 8) && !(a28 == 9))) || (a28 == 9 && !(a17 == 9)) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (!(a11 == 1) || (!(a28 == 8) && !(a28 == 9))) || (a28 == 9 && !(a17 == 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 308.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -148.5 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.89 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.53 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1028.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 864.2 MB in the end (delta: 218.7 MB). Peak memory consumption was 218.7 MB. Max. memory is 11.5 GB. * CodeCheck took 251370.87 ms. Allocated memory was 1.1 GB in the beginning and 4.1 GB in the end (delta: 3.0 GB). Free memory was 864.2 MB in the beginning and 1.1 GB in the end (delta: -241.1 MB). Peak memory consumption was 3.1 GB. Max. memory is 11.5 GB. * Witness Printer took 69.37 ms. Allocated memory is still 4.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...