./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label06_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_99ce1a20-4c9a-4453-a55e-48fac3afd924/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_99ce1a20-4c9a-4453-a55e-48fac3afd924/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_99ce1a20-4c9a-4453-a55e-48fac3afd924/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_99ce1a20-4c9a-4453-a55e-48fac3afd924/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label06_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_99ce1a20-4c9a-4453-a55e-48fac3afd924/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_99ce1a20-4c9a-4453-a55e-48fac3afd924/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 4efbed7cd0f5d77b92597ff02e6d19fa8a62de34 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:49:05,252 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:49:05,254 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:49:05,267 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:49:05,267 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:49:05,268 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:49:05,269 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:49:05,270 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:49:05,272 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:49:05,273 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:49:05,274 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:49:05,274 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:49:05,275 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:49:05,276 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:49:05,277 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:49:05,278 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:49:05,279 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:49:05,281 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:49:05,282 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:49:05,284 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:49:05,285 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:49:05,286 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:49:05,288 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:49:05,289 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:49:05,289 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:49:05,290 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:49:05,291 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:49:05,292 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:49:05,293 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:49:05,294 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:49:05,294 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:49:05,295 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:49:05,295 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:49:05,295 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:49:05,297 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:49:05,297 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:49:05,298 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_99ce1a20-4c9a-4453-a55e-48fac3afd924/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-27 00:49:05,312 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:49:05,312 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:49:05,313 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:49:05,313 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:49:05,314 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:49:05,314 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:49:05,314 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:49:05,314 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:49:05,315 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:49:05,315 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:49:05,315 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:49:05,315 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:49:05,315 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:49:05,317 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:49:05,317 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:49:05,317 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:49:05,317 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:49:05,317 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 00:49:05,318 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 00:49:05,318 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:49:05,318 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:49:05,318 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 00:49:05,318 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:49:05,318 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:49:05,319 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:49:05,319 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 00:49:05,319 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:49:05,319 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:49:05,319 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_99ce1a20-4c9a-4453-a55e-48fac3afd924/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 -> 4efbed7cd0f5d77b92597ff02e6d19fa8a62de34 [2018-10-27 00:49:05,364 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:49:05,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:49:05,381 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:49:05,383 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:49:05,383 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:49:05,384 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_99ce1a20-4c9a-4453-a55e-48fac3afd924/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label06_true-unreach-call_false-termination.c [2018-10-27 00:49:05,448 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_99ce1a20-4c9a-4453-a55e-48fac3afd924/bin-2019/ukojak/data/6e8558761/081ac2e3f02c48fa83fa9048f3482e04/FLAGd799330e8 [2018-10-27 00:49:05,880 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:49:05,881 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_99ce1a20-4c9a-4453-a55e-48fac3afd924/sv-benchmarks/c/eca-rers2012/Problem02_label06_true-unreach-call_false-termination.c [2018-10-27 00:49:05,892 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_99ce1a20-4c9a-4453-a55e-48fac3afd924/bin-2019/ukojak/data/6e8558761/081ac2e3f02c48fa83fa9048f3482e04/FLAGd799330e8 [2018-10-27 00:49:05,913 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_99ce1a20-4c9a-4453-a55e-48fac3afd924/bin-2019/ukojak/data/6e8558761/081ac2e3f02c48fa83fa9048f3482e04 [2018-10-27 00:49:05,919 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:49:05,921 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:49:05,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:49:05,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:49:05,934 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:49:05,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:49:05" (1/1) ... [2018-10-27 00:49:05,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4f184d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:49:05, skipping insertion in model container [2018-10-27 00:49:05,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:49:05" (1/1) ... [2018-10-27 00:49:05,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:49:05,991 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:49:06,344 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:49:06,348 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:49:06,445 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:49:06,460 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:49:06,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:49:06 WrapperNode [2018-10-27 00:49:06,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:49:06,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:49:06,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:49:06,461 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:49:06,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:49:06" (1/1) ... [2018-10-27 00:49:06,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:49:06" (1/1) ... [2018-10-27 00:49:06,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:49:06,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:49:06,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:49:06,536 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:49:06,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:49:06" (1/1) ... [2018-10-27 00:49:06,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:49:06" (1/1) ... [2018-10-27 00:49:06,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:49:06" (1/1) ... [2018-10-27 00:49:06,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:49:06" (1/1) ... [2018-10-27 00:49:06,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:49:06" (1/1) ... [2018-10-27 00:49:06,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:49:06" (1/1) ... [2018-10-27 00:49:06,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:49:06" (1/1) ... [2018-10-27 00:49:06,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:49:06,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:49:06,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:49:06,737 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:49:06,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:49:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99ce1a20-4c9a-4453-a55e-48fac3afd924/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 [2018-10-27 00:49:06,818 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-27 00:49:06,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:49:06,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:49:11,642 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:49:11,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:49:11 BoogieIcfgContainer [2018-10-27 00:49:11,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:49:11,643 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 00:49:11,644 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 00:49:11,655 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 00:49:11,656 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:49:11" (1/1) ... [2018-10-27 00:49:11,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:49:11,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:11,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-10-27 00:49:11,714 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-10-27 00:49:11,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-27 00:49:11,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:12,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:13,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:13,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 165 states and 248 transitions. [2018-10-27 00:49:13,294 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 248 transitions. [2018-10-27 00:49:13,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-27 00:49:13,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:13,466 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:14,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:14,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 245 states and 333 transitions. [2018-10-27 00:49:14,310 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 333 transitions. [2018-10-27 00:49:14,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-27 00:49:14,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:14,443 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:14,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:14,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 250 states and 340 transitions. [2018-10-27 00:49:14,626 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 340 transitions. [2018-10-27 00:49:14,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-27 00:49:14,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:14,729 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:14,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:14,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 260 states and 355 transitions. [2018-10-27 00:49:14,906 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 355 transitions. [2018-10-27 00:49:14,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-27 00:49:14,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:14,955 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 00:49:15,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:15,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 268 states and 366 transitions. [2018-10-27 00:49:15,158 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 366 transitions. [2018-10-27 00:49:15,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-27 00:49:15,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:15,185 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:15,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:15,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 271 states and 369 transitions. [2018-10-27 00:49:15,434 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 369 transitions. [2018-10-27 00:49:15,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-27 00:49:15,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:15,683 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:16,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:16,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 276 states and 377 transitions. [2018-10-27 00:49:16,741 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 377 transitions. [2018-10-27 00:49:16,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-27 00:49:16,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:16,773 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 00:49:16,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:16,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 277 states and 378 transitions. [2018-10-27 00:49:16,837 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 378 transitions. [2018-10-27 00:49:16,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-27 00:49:16,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:16,881 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 00:49:17,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:17,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 282 states and 384 transitions. [2018-10-27 00:49:17,067 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 384 transitions. [2018-10-27 00:49:17,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-27 00:49:17,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:17,702 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:18,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:18,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 300 states and 412 transitions. [2018-10-27 00:49:18,664 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 412 transitions. [2018-10-27 00:49:18,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-27 00:49:18,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:18,693 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:18,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:18,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 307 states and 420 transitions. [2018-10-27 00:49:18,924 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 420 transitions. [2018-10-27 00:49:18,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-27 00:49:18,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:18,951 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:18,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:18,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 309 states and 422 transitions. [2018-10-27 00:49:18,985 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 422 transitions. [2018-10-27 00:49:18,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-27 00:49:18,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:19,012 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:19,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:19,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 313 states and 428 transitions. [2018-10-27 00:49:19,164 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 428 transitions. [2018-10-27 00:49:19,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-27 00:49:19,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:19,282 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:19,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:19,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 329 states and 448 transitions. [2018-10-27 00:49:19,702 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 448 transitions. [2018-10-27 00:49:19,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-27 00:49:19,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:19,737 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-27 00:49:20,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:20,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 335 states and 454 transitions. [2018-10-27 00:49:20,634 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 454 transitions. [2018-10-27 00:49:20,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-27 00:49:20,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:20,936 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:21,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:21,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 360 states and 487 transitions. [2018-10-27 00:49:21,464 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 487 transitions. [2018-10-27 00:49:21,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-27 00:49:21,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:21,491 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:22,101 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-27 00:49:22,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:22,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 364 states and 493 transitions. [2018-10-27 00:49:22,735 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 493 transitions. [2018-10-27 00:49:22,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-27 00:49:22,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:22,768 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:22,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:22,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 365 states and 494 transitions. [2018-10-27 00:49:22,856 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 494 transitions. [2018-10-27 00:49:22,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-27 00:49:22,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:23,015 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:49:23,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:23,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 445 states and 581 transitions. [2018-10-27 00:49:23,963 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 581 transitions. [2018-10-27 00:49:23,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-27 00:49:23,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:24,019 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:49:24,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:24,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 450 states and 585 transitions. [2018-10-27 00:49:24,128 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 585 transitions. [2018-10-27 00:49:24,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-27 00:49:24,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:24,160 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:24,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:24,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 466 states and 602 transitions. [2018-10-27 00:49:24,622 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 602 transitions. [2018-10-27 00:49:24,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-27 00:49:24,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:24,654 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:25,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:25,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 475 states and 615 transitions. [2018-10-27 00:49:25,038 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 615 transitions. [2018-10-27 00:49:25,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-27 00:49:25,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:25,068 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 00:49:25,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:25,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 477 states and 616 transitions. [2018-10-27 00:49:25,213 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 616 transitions. [2018-10-27 00:49:25,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-27 00:49:25,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:25,235 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 00:49:25,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:25,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 478 states and 617 transitions. [2018-10-27 00:49:25,260 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 617 transitions. [2018-10-27 00:49:25,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-27 00:49:25,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:25,289 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:25,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:25,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 488 states and 627 transitions. [2018-10-27 00:49:25,434 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 627 transitions. [2018-10-27 00:49:25,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-27 00:49:25,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:27,098 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:49:28,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:28,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 497 states and 640 transitions. [2018-10-27 00:49:28,337 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 640 transitions. [2018-10-27 00:49:28,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-27 00:49:28,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:28,485 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:29,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:29,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 518 states and 664 transitions. [2018-10-27 00:49:29,110 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 664 transitions. [2018-10-27 00:49:29,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-27 00:49:29,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:29,317 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:49:29,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:29,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 529 states and 683 transitions. [2018-10-27 00:49:29,897 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 683 transitions. [2018-10-27 00:49:29,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-27 00:49:29,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:29,950 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:49:30,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:30,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 537 states and 695 transitions. [2018-10-27 00:49:30,254 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 695 transitions. [2018-10-27 00:49:30,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-27 00:49:30,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:30,322 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:30,836 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-27 00:49:32,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:32,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 550 states and 710 transitions. [2018-10-27 00:49:32,020 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 710 transitions. [2018-10-27 00:49:32,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-27 00:49:32,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:32,050 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-27 00:49:32,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:32,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 553 states and 715 transitions. [2018-10-27 00:49:32,794 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 715 transitions. [2018-10-27 00:49:32,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-27 00:49:32,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:32,823 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-27 00:49:33,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:33,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 557 states and 719 transitions. [2018-10-27 00:49:33,015 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 719 transitions. [2018-10-27 00:49:33,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-27 00:49:33,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:33,061 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:49:33,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:33,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 560 states and 723 transitions. [2018-10-27 00:49:33,081 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 723 transitions. [2018-10-27 00:49:33,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-27 00:49:33,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:33,137 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-27 00:49:34,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:34,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 602 states and 778 transitions. [2018-10-27 00:49:34,591 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 778 transitions. [2018-10-27 00:49:34,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-27 00:49:34,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:34,642 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:34,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:34,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 620 states and 801 transitions. [2018-10-27 00:49:34,782 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 801 transitions. [2018-10-27 00:49:34,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-27 00:49:34,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:34,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:35,162 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:49:35,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:35,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 622 states and 804 transitions. [2018-10-27 00:49:35,518 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 804 transitions. [2018-10-27 00:49:35,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-27 00:49:35,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:35,549 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:36,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:36,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 637 states and 824 transitions. [2018-10-27 00:49:36,157 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 824 transitions. [2018-10-27 00:49:36,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-27 00:49:36,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:36,186 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-27 00:49:36,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:36,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 642 states and 830 transitions. [2018-10-27 00:49:36,451 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 830 transitions. [2018-10-27 00:49:36,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-27 00:49:36,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:36,484 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:36,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:36,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 645 states and 833 transitions. [2018-10-27 00:49:36,562 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 833 transitions. [2018-10-27 00:49:36,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-27 00:49:36,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:36,603 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:49:36,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:36,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 652 states and 841 transitions. [2018-10-27 00:49:36,855 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 841 transitions. [2018-10-27 00:49:36,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-27 00:49:36,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:36,904 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:49:37,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:37,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 657 states and 845 transitions. [2018-10-27 00:49:37,214 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 845 transitions. [2018-10-27 00:49:37,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-27 00:49:37,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:37,249 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:49:38,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:38,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 668 states and 858 transitions. [2018-10-27 00:49:38,023 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 858 transitions. [2018-10-27 00:49:38,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-27 00:49:38,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:38,054 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 00:49:38,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:38,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 699 states and 889 transitions. [2018-10-27 00:49:38,222 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 889 transitions. [2018-10-27 00:49:38,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-27 00:49:38,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:38,251 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:49:38,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:38,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 713 states and 906 transitions. [2018-10-27 00:49:38,731 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 906 transitions. [2018-10-27 00:49:38,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-27 00:49:38,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:38,757 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:49:39,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:39,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 726 states and 919 transitions. [2018-10-27 00:49:39,607 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 919 transitions. [2018-10-27 00:49:39,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-27 00:49:39,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:39,634 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:39,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:39,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 732 states and 925 transitions. [2018-10-27 00:49:39,921 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 925 transitions. [2018-10-27 00:49:39,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-27 00:49:39,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:39,951 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:40,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:40,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 737 states and 929 transitions. [2018-10-27 00:49:40,046 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 929 transitions. [2018-10-27 00:49:40,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-27 00:49:40,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:40,077 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:40,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:40,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 742 states and 935 transitions. [2018-10-27 00:49:40,685 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 935 transitions. [2018-10-27 00:49:40,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-27 00:49:40,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:41,328 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:49:44,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:44,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 784 states and 994 transitions. [2018-10-27 00:49:44,739 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 994 transitions. [2018-10-27 00:49:44,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-27 00:49:44,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:44,765 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:49:44,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:44,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 788 states and 997 transitions. [2018-10-27 00:49:44,888 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 997 transitions. [2018-10-27 00:49:44,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-27 00:49:44,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:44,963 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:49:45,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:45,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 791 states and 1001 transitions. [2018-10-27 00:49:45,347 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1001 transitions. [2018-10-27 00:49:45,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-27 00:49:45,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:45,371 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:49:45,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:45,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 793 states and 1002 transitions. [2018-10-27 00:49:45,606 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1002 transitions. [2018-10-27 00:49:45,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-27 00:49:45,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:45,633 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:49:45,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:45,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 795 states and 1006 transitions. [2018-10-27 00:49:45,676 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1006 transitions. [2018-10-27 00:49:45,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-27 00:49:45,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:45,709 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:49:46,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:46,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 806 states and 1030 transitions. [2018-10-27 00:49:46,690 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1030 transitions. [2018-10-27 00:49:46,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-27 00:49:46,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:46,726 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:49:46,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:46,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 810 states and 1037 transitions. [2018-10-27 00:49:46,963 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1037 transitions. [2018-10-27 00:49:46,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-27 00:49:46,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:46,998 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:47,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:47,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 840 states and 1071 transitions. [2018-10-27 00:49:47,864 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1071 transitions. [2018-10-27 00:49:47,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-27 00:49:47,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:47,890 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:49:48,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:48,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 844 states and 1075 transitions. [2018-10-27 00:49:48,062 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1075 transitions. [2018-10-27 00:49:48,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-27 00:49:48,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:48,084 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:49:48,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:48,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 848 states and 1080 transitions. [2018-10-27 00:49:48,266 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1080 transitions. [2018-10-27 00:49:48,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-27 00:49:48,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:48,289 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:49:48,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:48,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 852 states and 1083 transitions. [2018-10-27 00:49:48,758 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1083 transitions. [2018-10-27 00:49:48,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-27 00:49:48,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:48,789 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:49,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:49,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 857 states and 1091 transitions. [2018-10-27 00:49:49,439 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1091 transitions. [2018-10-27 00:49:49,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-27 00:49:49,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:49,482 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:49:49,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:49,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 866 states and 1101 transitions. [2018-10-27 00:49:49,715 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1101 transitions. [2018-10-27 00:49:49,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-27 00:49:49,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:49,755 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:50,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:50,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 882 states and 1120 transitions. [2018-10-27 00:49:50,292 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1120 transitions. [2018-10-27 00:49:50,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-27 00:49:50,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:50,320 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-27 00:49:50,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:50,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 885 states and 1123 transitions. [2018-10-27 00:49:50,436 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1123 transitions. [2018-10-27 00:49:50,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-27 00:49:50,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:50,571 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 81 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-10-27 00:49:51,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:51,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 898 states and 1140 transitions. [2018-10-27 00:49:51,166 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1140 transitions. [2018-10-27 00:49:51,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-27 00:49:51,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:51,197 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 81 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-10-27 00:49:51,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:51,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 909 states and 1156 transitions. [2018-10-27 00:49:51,680 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1156 transitions. [2018-10-27 00:49:51,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-27 00:49:51,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:51,714 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:51,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:51,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 911 states and 1158 transitions. [2018-10-27 00:49:51,750 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1158 transitions. [2018-10-27 00:49:51,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-27 00:49:51,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:51,779 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:49:53,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:53,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 929 states and 1185 transitions. [2018-10-27 00:49:53,281 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1185 transitions. [2018-10-27 00:49:53,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-27 00:49:53,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:53,323 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:49:53,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:53,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 933 states and 1190 transitions. [2018-10-27 00:49:53,590 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1190 transitions. [2018-10-27 00:49:53,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-27 00:49:53,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:53,621 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:49:53,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:53,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 935 states and 1192 transitions. [2018-10-27 00:49:53,878 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1192 transitions. [2018-10-27 00:49:53,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-27 00:49:53,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:54,041 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:49:55,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:55,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 957 states and 1230 transitions. [2018-10-27 00:49:55,945 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1230 transitions. [2018-10-27 00:49:55,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-27 00:49:55,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:56,241 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:49:56,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:56,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 972 states and 1247 transitions. [2018-10-27 00:49:56,996 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1247 transitions. [2018-10-27 00:49:56,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-27 00:49:56,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:57,521 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 74 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:59,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:59,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1037 states and 1317 transitions. [2018-10-27 00:49:59,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1317 transitions. [2018-10-27 00:49:59,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-27 00:49:59,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:59,630 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:01,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:01,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 1066 states and 1358 transitions. [2018-10-27 00:50:01,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1358 transitions. [2018-10-27 00:50:01,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-27 00:50:01,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:01,067 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:01,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:01,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1069 states and 1361 transitions. [2018-10-27 00:50:01,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1361 transitions. [2018-10-27 00:50:01,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-27 00:50:01,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:01,623 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:01,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:01,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1070 states and 1362 transitions. [2018-10-27 00:50:01,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1362 transitions. [2018-10-27 00:50:01,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-27 00:50:01,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:01,969 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:02,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:02,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1088 states and 1384 transitions. [2018-10-27 00:50:02,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1384 transitions. [2018-10-27 00:50:02,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-27 00:50:02,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:02,663 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:50:03,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:03,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1093 states and 1393 transitions. [2018-10-27 00:50:03,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1393 transitions. [2018-10-27 00:50:03,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-27 00:50:03,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:03,323 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:50:03,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:03,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1102 states and 1402 transitions. [2018-10-27 00:50:03,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1402 transitions. [2018-10-27 00:50:03,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-27 00:50:03,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:03,433 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:50:03,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:03,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1111 states and 1412 transitions. [2018-10-27 00:50:03,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 1412 transitions. [2018-10-27 00:50:03,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-27 00:50:03,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:04,013 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:50:04,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:04,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1127 states and 1428 transitions. [2018-10-27 00:50:04,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1428 transitions. [2018-10-27 00:50:04,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-27 00:50:04,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:04,258 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:50:04,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:04,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1132 states and 1434 transitions. [2018-10-27 00:50:04,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1434 transitions. [2018-10-27 00:50:04,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-27 00:50:04,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:04,629 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:50:04,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:04,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1139 states and 1440 transitions. [2018-10-27 00:50:04,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1440 transitions. [2018-10-27 00:50:04,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-27 00:50:04,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:04,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:05,024 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:50:06,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:06,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1162 states and 1465 transitions. [2018-10-27 00:50:06,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1465 transitions. [2018-10-27 00:50:06,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-27 00:50:06,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:07,005 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:50:07,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:07,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1170 states and 1476 transitions. [2018-10-27 00:50:07,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1476 transitions. [2018-10-27 00:50:07,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-27 00:50:07,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:07,840 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-27 00:50:08,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:08,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 1173 states and 1480 transitions. [2018-10-27 00:50:08,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1480 transitions. [2018-10-27 00:50:08,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-27 00:50:08,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:08,162 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-27 00:50:08,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:08,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1481 states to 1175 states and 1481 transitions. [2018-10-27 00:50:08,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1481 transitions. [2018-10-27 00:50:08,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-27 00:50:08,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:08,288 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-27 00:50:08,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:08,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1178 states and 1484 transitions. [2018-10-27 00:50:08,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1484 transitions. [2018-10-27 00:50:08,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-27 00:50:08,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:08,822 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:10,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:10,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1224 states and 1535 transitions. [2018-10-27 00:50:10,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1535 transitions. [2018-10-27 00:50:10,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-27 00:50:10,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:10,584 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-27 00:50:11,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:11,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1246 states and 1561 transitions. [2018-10-27 00:50:11,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1561 transitions. [2018-10-27 00:50:11,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-27 00:50:11,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:11,732 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-27 00:50:13,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:13,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1256 states and 1572 transitions. [2018-10-27 00:50:13,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1572 transitions. [2018-10-27 00:50:13,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-27 00:50:13,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:13,186 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-27 00:50:13,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:13,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1259 states and 1576 transitions. [2018-10-27 00:50:13,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1576 transitions. [2018-10-27 00:50:13,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-27 00:50:13,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:13,326 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:14,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:14,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 1276 states and 1596 transitions. [2018-10-27 00:50:14,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1596 transitions. [2018-10-27 00:50:14,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-27 00:50:14,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:14,434 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-27 00:50:14,674 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 10 [2018-10-27 00:50:15,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:15,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1286 states and 1612 transitions. [2018-10-27 00:50:15,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1612 transitions. [2018-10-27 00:50:15,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-27 00:50:15,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:16,174 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-27 00:50:18,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:18,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1344 states and 1671 transitions. [2018-10-27 00:50:18,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1671 transitions. [2018-10-27 00:50:18,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-27 00:50:18,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:19,632 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 00:50:20,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:20,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1346 states and 1673 transitions. [2018-10-27 00:50:20,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1673 transitions. [2018-10-27 00:50:20,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-10-27 00:50:20,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:20,953 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:21,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:21,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1347 states and 1673 transitions. [2018-10-27 00:50:21,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1673 transitions. [2018-10-27 00:50:21,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-27 00:50:21,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:21,177 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 00:50:21,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:21,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1688 states to 1356 states and 1688 transitions. [2018-10-27 00:50:21,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 1688 transitions. [2018-10-27 00:50:21,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-27 00:50:21,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:21,490 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 00:50:21,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:21,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1363 states and 1694 transitions. [2018-10-27 00:50:21,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1694 transitions. [2018-10-27 00:50:21,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-27 00:50:21,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:22,298 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 00:50:23,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:23,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1375 states and 1709 transitions. [2018-10-27 00:50:23,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 1709 transitions. [2018-10-27 00:50:23,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-10-27 00:50:23,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:23,542 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 00:50:24,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:24,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1383 states and 1719 transitions. [2018-10-27 00:50:24,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1719 transitions. [2018-10-27 00:50:24,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-27 00:50:24,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:24,344 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:50:24,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:24,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1395 states and 1735 transitions. [2018-10-27 00:50:24,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1735 transitions. [2018-10-27 00:50:24,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-27 00:50:24,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:24,749 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:50:25,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:25,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 1403 states and 1749 transitions. [2018-10-27 00:50:25,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1749 transitions. [2018-10-27 00:50:25,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-27 00:50:25,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:25,329 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:50:26,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:26,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1771 states to 1419 states and 1771 transitions. [2018-10-27 00:50:26,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1771 transitions. [2018-10-27 00:50:26,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-27 00:50:26,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:26,708 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:50:26,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:26,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1424 states and 1775 transitions. [2018-10-27 00:50:26,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 1775 transitions. [2018-10-27 00:50:26,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-27 00:50:26,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:27,693 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 155 proven. 11 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 00:50:29,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:29,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 1429 states and 1781 transitions. [2018-10-27 00:50:29,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 1781 transitions. [2018-10-27 00:50:29,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-27 00:50:29,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:29,195 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-10-27 00:50:29,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:29,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1442 states and 1794 transitions. [2018-10-27 00:50:29,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1794 transitions. [2018-10-27 00:50:29,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-27 00:50:29,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:29,953 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 00:50:30,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:30,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 1462 states and 1814 transitions. [2018-10-27 00:50:30,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 1814 transitions. [2018-10-27 00:50:30,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-27 00:50:30,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:30,446 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 00:50:30,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:30,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1471 states and 1823 transitions. [2018-10-27 00:50:30,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 1823 transitions. [2018-10-27 00:50:30,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-27 00:50:30,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:30,686 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:50:31,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:31,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1483 states and 1839 transitions. [2018-10-27 00:50:31,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 1839 transitions. [2018-10-27 00:50:31,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-27 00:50:31,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:31,111 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:50:31,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:31,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 1491 states and 1846 transitions. [2018-10-27 00:50:31,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 1846 transitions. [2018-10-27 00:50:31,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-27 00:50:31,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:31,656 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:50:32,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:32,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1499 states and 1852 transitions. [2018-10-27 00:50:32,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 1852 transitions. [2018-10-27 00:50:32,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-27 00:50:32,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:32,196 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:50:32,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:32,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1861 states to 1505 states and 1861 transitions. [2018-10-27 00:50:32,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1861 transitions. [2018-10-27 00:50:32,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-27 00:50:32,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:32,725 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:50:33,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:33,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 1510 states and 1866 transitions. [2018-10-27 00:50:33,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1866 transitions. [2018-10-27 00:50:33,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-27 00:50:33,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:34,680 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 152 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:39,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:39,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1970 states to 1597 states and 1970 transitions. [2018-10-27 00:50:39,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 1970 transitions. [2018-10-27 00:50:39,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-27 00:50:39,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:39,642 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 152 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:40,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:40,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1981 states to 1605 states and 1981 transitions. [2018-10-27 00:50:40,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 1981 transitions. [2018-10-27 00:50:40,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-27 00:50:40,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:40,684 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 152 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:41,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:41,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1610 states and 1985 transitions. [2018-10-27 00:50:41,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 1985 transitions. [2018-10-27 00:50:41,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-27 00:50:41,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:41,478 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:41,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:41,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2008 states to 1631 states and 2008 transitions. [2018-10-27 00:50:41,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 2008 transitions. [2018-10-27 00:50:41,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-27 00:50:41,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:41,863 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:42,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:42,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 1647 states and 2026 transitions. [2018-10-27 00:50:42,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1647 states and 2026 transitions. [2018-10-27 00:50:42,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-27 00:50:42,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:42,884 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:43,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:43,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 1648 states and 2027 transitions. [2018-10-27 00:50:43,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2027 transitions. [2018-10-27 00:50:43,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-27 00:50:43,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:43,337 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:43,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:43,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2037 states to 1659 states and 2037 transitions. [2018-10-27 00:50:43,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 2037 transitions. [2018-10-27 00:50:43,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-27 00:50:43,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:43,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:43,858 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:44,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:44,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2048 states to 1670 states and 2048 transitions. [2018-10-27 00:50:44,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 2048 transitions. [2018-10-27 00:50:44,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-27 00:50:44,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:44,353 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:44,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:44,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2048 states to 1671 states and 2048 transitions. [2018-10-27 00:50:44,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2048 transitions. [2018-10-27 00:50:44,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-27 00:50:44,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:44,501 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:44,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:44,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2048 states to 1672 states and 2048 transitions. [2018-10-27 00:50:44,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2048 transitions. [2018-10-27 00:50:44,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-27 00:50:44,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:44,644 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-10-27 00:50:45,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:45,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 1678 states and 2055 transitions. [2018-10-27 00:50:45,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 2055 transitions. [2018-10-27 00:50:45,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-27 00:50:45,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:45,182 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-10-27 00:50:46,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:46,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 1688 states and 2072 transitions. [2018-10-27 00:50:46,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1688 states and 2072 transitions. [2018-10-27 00:50:46,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-27 00:50:46,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:46,246 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-10-27 00:50:47,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:47,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2086 states to 1698 states and 2086 transitions. [2018-10-27 00:50:47,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 2086 transitions. [2018-10-27 00:50:47,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-27 00:50:47,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:47,586 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-10-27 00:50:47,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:47,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2090 states to 1703 states and 2090 transitions. [2018-10-27 00:50:47,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2090 transitions. [2018-10-27 00:50:47,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-27 00:50:47,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:47,660 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-27 00:50:48,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:48,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 1705 states and 2093 transitions. [2018-10-27 00:50:48,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 2093 transitions. [2018-10-27 00:50:48,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-27 00:50:48,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:48,131 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-27 00:50:49,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:49,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2103 states to 1715 states and 2103 transitions. [2018-10-27 00:50:49,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2103 transitions. [2018-10-27 00:50:49,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-27 00:50:49,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:50,169 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-27 00:50:52,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:52,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 1724 states and 2115 transitions. [2018-10-27 00:50:52,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2115 transitions. [2018-10-27 00:50:52,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-27 00:50:52,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:52,864 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-27 00:50:53,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:53,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 1726 states and 2117 transitions. [2018-10-27 00:50:53,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1726 states and 2117 transitions. [2018-10-27 00:50:53,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-27 00:50:53,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:53,340 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-27 00:50:53,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:53,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2124 states to 1733 states and 2124 transitions. [2018-10-27 00:50:53,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2124 transitions. [2018-10-27 00:50:53,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-27 00:50:53,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:53,925 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-27 00:50:55,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:55,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 1747 states and 2140 transitions. [2018-10-27 00:50:55,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2140 transitions. [2018-10-27 00:50:55,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-27 00:50:55,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:55,311 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-27 00:50:56,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:56,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 1761 states and 2158 transitions. [2018-10-27 00:50:56,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2158 transitions. [2018-10-27 00:50:56,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-27 00:50:56,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:56,614 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-27 00:50:57,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:57,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 1762 states and 2158 transitions. [2018-10-27 00:50:57,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2158 transitions. [2018-10-27 00:50:57,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-10-27 00:50:57,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:57,396 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 159 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:58,560 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-10-27 00:50:58,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:58,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 1769 states and 2170 transitions. [2018-10-27 00:50:58,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2170 transitions. [2018-10-27 00:50:58,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-10-27 00:50:58,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:58,704 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 159 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:59,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:59,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 1771 states and 2171 transitions. [2018-10-27 00:50:59,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1771 states and 2171 transitions. [2018-10-27 00:50:59,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-27 00:50:59,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:59,602 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-10-27 00:50:59,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:59,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2173 states to 1773 states and 2173 transitions. [2018-10-27 00:50:59,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 2173 transitions. [2018-10-27 00:50:59,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-27 00:50:59,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:59,688 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-27 00:51:00,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:00,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 1773 states and 2172 transitions. [2018-10-27 00:51:00,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 2172 transitions. [2018-10-27 00:51:00,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-27 00:51:00,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:00,051 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-27 00:51:00,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:00,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 1785 states and 2186 transitions. [2018-10-27 00:51:00,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1785 states and 2186 transitions. [2018-10-27 00:51:00,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-27 00:51:00,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:00,938 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-27 00:51:01,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:01,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2190 states to 1790 states and 2190 transitions. [2018-10-27 00:51:01,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1790 states and 2190 transitions. [2018-10-27 00:51:01,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-27 00:51:01,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:01,181 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-27 00:51:02,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:02,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2199 states to 1798 states and 2199 transitions. [2018-10-27 00:51:02,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 2199 transitions. [2018-10-27 00:51:02,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-10-27 00:51:02,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:02,515 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 00:51:04,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:04,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2250 states to 1849 states and 2250 transitions. [2018-10-27 00:51:04,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 2250 transitions. [2018-10-27 00:51:04,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-10-27 00:51:04,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:04,980 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 00:51:05,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:05,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 1853 states and 2253 transitions. [2018-10-27 00:51:05,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 2253 transitions. [2018-10-27 00:51:05,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-10-27 00:51:05,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:05,250 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 139 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-27 00:51:07,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:07,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2276 states to 1872 states and 2276 transitions. [2018-10-27 00:51:07,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 2276 transitions. [2018-10-27 00:51:07,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-10-27 00:51:07,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:07,606 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-27 00:51:08,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:08,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2278 states to 1874 states and 2278 transitions. [2018-10-27 00:51:08,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 2278 transitions. [2018-10-27 00:51:08,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-10-27 00:51:08,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:08,136 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 00:51:10,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:10,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 1883 states and 2289 transitions. [2018-10-27 00:51:10,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 2289 transitions. [2018-10-27 00:51:10,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-10-27 00:51:10,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:11,162 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 00:51:11,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:11,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2290 states to 1885 states and 2290 transitions. [2018-10-27 00:51:11,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 2290 transitions. [2018-10-27 00:51:11,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-10-27 00:51:11,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:11,946 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 00:51:15,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:15,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 1930 states and 2344 transitions. [2018-10-27 00:51:15,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1930 states and 2344 transitions. [2018-10-27 00:51:15,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-10-27 00:51:15,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:15,594 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 00:51:17,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:17,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 1947 states and 2364 transitions. [2018-10-27 00:51:17,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2364 transitions. [2018-10-27 00:51:17,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-10-27 00:51:17,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:18,138 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 00:51:18,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:18,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 1952 states and 2368 transitions. [2018-10-27 00:51:18,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 2368 transitions. [2018-10-27 00:51:18,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-10-27 00:51:18,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:18,952 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 00:51:19,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:19,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 1957 states and 2373 transitions. [2018-10-27 00:51:19,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 2373 transitions. [2018-10-27 00:51:19,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-10-27 00:51:19,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:19,520 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 00:51:19,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:19,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2374 states to 1959 states and 2374 transitions. [2018-10-27 00:51:19,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states and 2374 transitions. [2018-10-27 00:51:19,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-27 00:51:19,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:19,849 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 00:51:20,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:20,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2400 states to 1979 states and 2400 transitions. [2018-10-27 00:51:20,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2400 transitions. [2018-10-27 00:51:20,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-10-27 00:51:20,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:20,894 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-10-27 00:51:21,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:21,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 1986 states and 2406 transitions. [2018-10-27 00:51:21,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2406 transitions. [2018-10-27 00:51:21,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-27 00:51:21,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:21,190 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-27 00:51:22,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:22,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 2039 states and 2461 transitions. [2018-10-27 00:51:22,672 INFO L276 IsEmpty]: Start isEmpty. Operand 2039 states and 2461 transitions. [2018-10-27 00:51:22,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-10-27 00:51:22,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:24,091 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 00:51:26,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:26,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2557 states to 2125 states and 2557 transitions. [2018-10-27 00:51:26,795 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2557 transitions. [2018-10-27 00:51:26,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-10-27 00:51:26,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:26,913 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 00:51:27,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:27,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 2130 states and 2564 transitions. [2018-10-27 00:51:27,987 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 2564 transitions. [2018-10-27 00:51:27,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-10-27 00:51:27,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:28,126 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 00:51:28,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:28,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2568 states to 2134 states and 2568 transitions. [2018-10-27 00:51:28,430 INFO L276 IsEmpty]: Start isEmpty. Operand 2134 states and 2568 transitions. [2018-10-27 00:51:28,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-10-27 00:51:28,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:28,467 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 00:51:28,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:28,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2581 states to 2143 states and 2581 transitions. [2018-10-27 00:51:28,916 INFO L276 IsEmpty]: Start isEmpty. Operand 2143 states and 2581 transitions. [2018-10-27 00:51:28,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-10-27 00:51:28,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:28,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:28,950 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 00:51:28,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:28,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 2148 states and 2585 transitions. [2018-10-27 00:51:28,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2148 states and 2585 transitions. [2018-10-27 00:51:28,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-10-27 00:51:28,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:29,035 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-27 00:51:29,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:29,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2588 states to 2152 states and 2588 transitions. [2018-10-27 00:51:29,311 INFO L276 IsEmpty]: Start isEmpty. Operand 2152 states and 2588 transitions. [2018-10-27 00:51:29,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-10-27 00:51:29,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:29,350 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 00:51:30,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:30,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2597 states to 2160 states and 2597 transitions. [2018-10-27 00:51:30,050 INFO L276 IsEmpty]: Start isEmpty. Operand 2160 states and 2597 transitions. [2018-10-27 00:51:30,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-10-27 00:51:30,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:30,087 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 00:51:31,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:31,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2604 states to 2167 states and 2604 transitions. [2018-10-27 00:51:31,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2604 transitions. [2018-10-27 00:51:31,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-27 00:51:31,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:31,148 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-10-27 00:51:31,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:31,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2607 states to 2170 states and 2607 transitions. [2018-10-27 00:51:31,377 INFO L276 IsEmpty]: Start isEmpty. Operand 2170 states and 2607 transitions. [2018-10-27 00:51:31,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-27 00:51:31,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:32,428 WARN L179 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-10-27 00:51:32,891 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-27 00:51:34,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:34,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2172 states and 2609 transitions. [2018-10-27 00:51:34,962 INFO L276 IsEmpty]: Start isEmpty. Operand 2172 states and 2609 transitions. [2018-10-27 00:51:34,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-27 00:51:34,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:35,071 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:51:37,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:37,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2627 states to 2189 states and 2627 transitions. [2018-10-27 00:51:37,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2189 states and 2627 transitions. [2018-10-27 00:51:37,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-27 00:51:37,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:37,106 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:51:37,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:37,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 2192 states and 2629 transitions. [2018-10-27 00:51:37,386 INFO L276 IsEmpty]: Start isEmpty. Operand 2192 states and 2629 transitions. [2018-10-27 00:51:37,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-27 00:51:37,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:37,561 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 00:51:37,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:37,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2650 states to 2214 states and 2650 transitions. [2018-10-27 00:51:37,924 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 2650 transitions. [2018-10-27 00:51:37,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-27 00:51:37,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:37,978 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-27 00:51:38,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:38,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2650 states to 2215 states and 2650 transitions. [2018-10-27 00:51:38,210 INFO L276 IsEmpty]: Start isEmpty. Operand 2215 states and 2650 transitions. [2018-10-27 00:51:38,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-27 00:51:38,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:38,268 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 00:51:39,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:39,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2229 states and 2667 transitions. [2018-10-27 00:51:39,050 INFO L276 IsEmpty]: Start isEmpty. Operand 2229 states and 2667 transitions. [2018-10-27 00:51:39,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-27 00:51:39,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:39,113 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 00:51:39,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:39,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2230 states and 2667 transitions. [2018-10-27 00:51:39,165 INFO L276 IsEmpty]: Start isEmpty. Operand 2230 states and 2667 transitions. [2018-10-27 00:51:39,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-27 00:51:39,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:39,403 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 00:51:39,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:39,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2231 states and 2667 transitions. [2018-10-27 00:51:39,868 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2667 transitions. [2018-10-27 00:51:39,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-10-27 00:51:39,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:39,932 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:51:40,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:40,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 2241 states and 2676 transitions. [2018-10-27 00:51:40,677 INFO L276 IsEmpty]: Start isEmpty. Operand 2241 states and 2676 transitions. [2018-10-27 00:51:40,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-10-27 00:51:40,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:40,730 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:51:41,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:41,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2678 states to 2243 states and 2678 transitions. [2018-10-27 00:51:41,243 INFO L276 IsEmpty]: Start isEmpty. Operand 2243 states and 2678 transitions. [2018-10-27 00:51:41,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-10-27 00:51:41,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:41,289 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:51:41,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:41,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2680 states to 2246 states and 2680 transitions. [2018-10-27 00:51:41,709 INFO L276 IsEmpty]: Start isEmpty. Operand 2246 states and 2680 transitions. [2018-10-27 00:51:41,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-10-27 00:51:41,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:41,759 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:51:41,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:41,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2682 states to 2249 states and 2682 transitions. [2018-10-27 00:51:41,793 INFO L276 IsEmpty]: Start isEmpty. Operand 2249 states and 2682 transitions. [2018-10-27 00:51:41,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-10-27 00:51:41,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:41,852 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:51:42,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:42,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2683 states to 2251 states and 2683 transitions. [2018-10-27 00:51:42,120 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 2683 transitions. [2018-10-27 00:51:42,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-10-27 00:51:42,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:42,168 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:51:42,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:42,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 2253 states and 2684 transitions. [2018-10-27 00:51:42,693 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 2684 transitions. [2018-10-27 00:51:42,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-10-27 00:51:42,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:42,744 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 140 proven. 7 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-27 00:51:44,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:44,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2707 states to 2273 states and 2707 transitions. [2018-10-27 00:51:44,486 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 2707 transitions. [2018-10-27 00:51:44,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-10-27 00:51:44,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:44,538 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 140 proven. 7 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-27 00:51:44,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:44,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2707 states to 2274 states and 2707 transitions. [2018-10-27 00:51:44,598 INFO L276 IsEmpty]: Start isEmpty. Operand 2274 states and 2707 transitions. [2018-10-27 00:51:44,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-27 00:51:44,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:44,761 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-27 00:51:45,414 WARN L179 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-10-27 00:51:45,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:45,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2280 states and 2716 transitions. [2018-10-27 00:51:45,934 INFO L276 IsEmpty]: Start isEmpty. Operand 2280 states and 2716 transitions. [2018-10-27 00:51:45,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-27 00:51:45,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:46,104 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-27 00:51:46,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:46,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2720 states to 2283 states and 2720 transitions. [2018-10-27 00:51:46,656 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 2720 transitions. [2018-10-27 00:51:46,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-27 00:51:46,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:46,813 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-27 00:51:47,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:47,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 2285 states and 2721 transitions. [2018-10-27 00:51:47,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2285 states and 2721 transitions. [2018-10-27 00:51:47,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-27 00:51:47,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:47,362 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-10-27 00:51:47,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:47,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 2365 states and 2803 transitions. [2018-10-27 00:51:47,932 INFO L276 IsEmpty]: Start isEmpty. Operand 2365 states and 2803 transitions. [2018-10-27 00:51:47,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-10-27 00:51:47,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:49,089 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:51:51,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:51,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2862 states to 2421 states and 2862 transitions. [2018-10-27 00:51:51,998 INFO L276 IsEmpty]: Start isEmpty. Operand 2421 states and 2862 transitions. [2018-10-27 00:51:51,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-27 00:51:52,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:52,163 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-27 00:51:54,357 WARN L179 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-10-27 00:51:55,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:55,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2930 states to 2490 states and 2930 transitions. [2018-10-27 00:51:55,155 INFO L276 IsEmpty]: Start isEmpty. Operand 2490 states and 2930 transitions. [2018-10-27 00:51:55,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-10-27 00:51:55,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:55,279 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2018-10-27 00:51:57,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:57,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2941 states to 2499 states and 2941 transitions. [2018-10-27 00:51:57,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2499 states and 2941 transitions. [2018-10-27 00:51:57,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-10-27 00:51:57,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:57,951 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2018-10-27 00:51:58,618 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-10-27 00:51:58,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:58,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2942 states to 2501 states and 2942 transitions. [2018-10-27 00:51:58,874 INFO L276 IsEmpty]: Start isEmpty. Operand 2501 states and 2942 transitions. [2018-10-27 00:51:58,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-10-27 00:51:58,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:58,937 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-27 00:51:59,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:59,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2959 states to 2518 states and 2959 transitions. [2018-10-27 00:51:59,513 INFO L276 IsEmpty]: Start isEmpty. Operand 2518 states and 2959 transitions. [2018-10-27 00:51:59,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-10-27 00:51:59,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:59,574 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-27 00:52:00,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:00,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2963 states to 2522 states and 2963 transitions. [2018-10-27 00:52:00,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2522 states and 2963 transitions. [2018-10-27 00:52:00,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-10-27 00:52:00,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:00,165 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-27 00:52:00,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:00,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2968 states to 2529 states and 2968 transitions. [2018-10-27 00:52:00,666 INFO L276 IsEmpty]: Start isEmpty. Operand 2529 states and 2968 transitions. [2018-10-27 00:52:00,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-10-27 00:52:00,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:00,752 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-10-27 00:52:00,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:00,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2968 states to 2530 states and 2968 transitions. [2018-10-27 00:52:00,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 2968 transitions. [2018-10-27 00:52:00,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-10-27 00:52:00,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:00,868 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-27 00:52:01,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:01,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2980 states to 2540 states and 2980 transitions. [2018-10-27 00:52:01,605 INFO L276 IsEmpty]: Start isEmpty. Operand 2540 states and 2980 transitions. [2018-10-27 00:52:01,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-10-27 00:52:01,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:01,846 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-27 00:52:02,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:02,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2992 states to 2550 states and 2992 transitions. [2018-10-27 00:52:02,728 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 2992 transitions. [2018-10-27 00:52:02,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-10-27 00:52:02,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:02,806 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-27 00:52:04,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:04,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 2593 states and 3035 transitions. [2018-10-27 00:52:04,067 INFO L276 IsEmpty]: Start isEmpty. Operand 2593 states and 3035 transitions. [2018-10-27 00:52:04,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-10-27 00:52:04,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:04,111 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-27 00:52:04,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:04,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3046 states to 2605 states and 3046 transitions. [2018-10-27 00:52:04,734 INFO L276 IsEmpty]: Start isEmpty. Operand 2605 states and 3046 transitions. [2018-10-27 00:52:04,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-10-27 00:52:04,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:04,813 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-10-27 00:52:05,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:05,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3050 states to 2609 states and 3050 transitions. [2018-10-27 00:52:05,397 INFO L276 IsEmpty]: Start isEmpty. Operand 2609 states and 3050 transitions. [2018-10-27 00:52:05,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-10-27 00:52:05,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:05,465 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-10-27 00:52:05,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:05,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3051 states to 2611 states and 3051 transitions. [2018-10-27 00:52:05,513 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 3051 transitions. [2018-10-27 00:52:05,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-10-27 00:52:05,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:05,578 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-10-27 00:52:05,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:05,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3063 states to 2623 states and 3063 transitions. [2018-10-27 00:52:05,910 INFO L276 IsEmpty]: Start isEmpty. Operand 2623 states and 3063 transitions. [2018-10-27 00:52:05,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-10-27 00:52:05,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:05,975 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-10-27 00:52:06,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:06,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3064 states to 2625 states and 3064 transitions. [2018-10-27 00:52:06,466 INFO L276 IsEmpty]: Start isEmpty. Operand 2625 states and 3064 transitions. [2018-10-27 00:52:06,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-10-27 00:52:06,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:06,599 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-27 00:52:11,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:11,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3124 states to 2683 states and 3124 transitions. [2018-10-27 00:52:11,470 INFO L276 IsEmpty]: Start isEmpty. Operand 2683 states and 3124 transitions. [2018-10-27 00:52:11,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-10-27 00:52:11,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:11,657 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-27 00:52:14,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:14,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3156 states to 2717 states and 3156 transitions. [2018-10-27 00:52:14,681 INFO L276 IsEmpty]: Start isEmpty. Operand 2717 states and 3156 transitions. [2018-10-27 00:52:14,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-10-27 00:52:14,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:14,736 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 227 proven. 1 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-10-27 00:52:15,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:15,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3161 states to 2722 states and 3161 transitions. [2018-10-27 00:52:15,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3161 transitions. [2018-10-27 00:52:15,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-10-27 00:52:15,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:15,888 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 227 proven. 1 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-10-27 00:52:16,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:16,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 2726 states and 3164 transitions. [2018-10-27 00:52:16,015 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3164 transitions. [2018-10-27 00:52:16,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-10-27 00:52:16,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:16,091 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 250 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-27 00:52:17,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:17,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3179 states to 2741 states and 3179 transitions. [2018-10-27 00:52:17,898 INFO L276 IsEmpty]: Start isEmpty. Operand 2741 states and 3179 transitions. [2018-10-27 00:52:17,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-10-27 00:52:17,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:17,974 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 250 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-27 00:52:19,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:19,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3190 states to 2753 states and 3190 transitions. [2018-10-27 00:52:19,122 INFO L276 IsEmpty]: Start isEmpty. Operand 2753 states and 3190 transitions. [2018-10-27 00:52:19,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-10-27 00:52:19,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:20,759 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:52:35,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:36,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3358 states to 2889 states and 3358 transitions. [2018-10-27 00:52:36,001 INFO L276 IsEmpty]: Start isEmpty. Operand 2889 states and 3358 transitions. [2018-10-27 00:52:36,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-10-27 00:52:36,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:36,180 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:52:40,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:40,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 2918 states and 3393 transitions. [2018-10-27 00:52:40,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 3393 transitions. [2018-10-27 00:52:40,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-10-27 00:52:40,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:40,675 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:52:43,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:43,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3410 states to 2935 states and 3410 transitions. [2018-10-27 00:52:43,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2935 states and 3410 transitions. [2018-10-27 00:52:43,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-10-27 00:52:43,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:43,585 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:52:45,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:45,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3443 states to 2968 states and 3443 transitions. [2018-10-27 00:52:45,396 INFO L276 IsEmpty]: Start isEmpty. Operand 2968 states and 3443 transitions. [2018-10-27 00:52:45,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-10-27 00:52:45,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:45,575 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:52:46,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:46,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3459 states to 2985 states and 3459 transitions. [2018-10-27 00:52:46,698 INFO L276 IsEmpty]: Start isEmpty. Operand 2985 states and 3459 transitions. [2018-10-27 00:52:46,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-10-27 00:52:46,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:46,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:46,874 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:52:49,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:49,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3465 states to 2989 states and 3465 transitions. [2018-10-27 00:52:49,141 INFO L276 IsEmpty]: Start isEmpty. Operand 2989 states and 3465 transitions. [2018-10-27 00:52:49,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-10-27 00:52:49,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:49,319 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:52:51,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:51,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3470 states to 2994 states and 3470 transitions. [2018-10-27 00:52:51,738 INFO L276 IsEmpty]: Start isEmpty. Operand 2994 states and 3470 transitions. [2018-10-27 00:52:51,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-10-27 00:52:51,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:51,915 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:52:52,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:52,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3472 states to 2997 states and 3472 transitions. [2018-10-27 00:52:52,701 INFO L276 IsEmpty]: Start isEmpty. Operand 2997 states and 3472 transitions. [2018-10-27 00:52:52,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-10-27 00:52:52,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:52,905 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:52:54,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:54,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3475 states to 3000 states and 3475 transitions. [2018-10-27 00:52:54,017 INFO L276 IsEmpty]: Start isEmpty. Operand 3000 states and 3475 transitions. [2018-10-27 00:52:54,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-10-27 00:52:54,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:54,196 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:52:55,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:55,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 3002 states and 3477 transitions. [2018-10-27 00:52:55,045 INFO L276 IsEmpty]: Start isEmpty. Operand 3002 states and 3477 transitions. [2018-10-27 00:52:55,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-10-27 00:52:55,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:55,100 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 292 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-27 00:52:55,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:55,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3484 states to 3008 states and 3484 transitions. [2018-10-27 00:52:55,482 INFO L276 IsEmpty]: Start isEmpty. Operand 3008 states and 3484 transitions. [2018-10-27 00:52:55,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-10-27 00:52:55,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:55,543 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-10-27 00:52:55,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:55,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3490 states to 3015 states and 3490 transitions. [2018-10-27 00:52:55,957 INFO L276 IsEmpty]: Start isEmpty. Operand 3015 states and 3490 transitions. [2018-10-27 00:52:55,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-10-27 00:52:55,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:56,056 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 255 proven. 1 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-10-27 00:52:56,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:56,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3492 states to 3016 states and 3492 transitions. [2018-10-27 00:52:56,750 INFO L276 IsEmpty]: Start isEmpty. Operand 3016 states and 3492 transitions. [2018-10-27 00:52:56,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-10-27 00:52:56,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:56,838 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 255 proven. 1 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-10-27 00:52:57,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:57,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3499 states to 3022 states and 3499 transitions. [2018-10-27 00:52:57,841 INFO L276 IsEmpty]: Start isEmpty. Operand 3022 states and 3499 transitions. [2018-10-27 00:52:57,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-10-27 00:52:57,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:57,940 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 255 proven. 1 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-10-27 00:52:59,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:59,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3500 states to 3025 states and 3500 transitions. [2018-10-27 00:52:59,316 INFO L276 IsEmpty]: Start isEmpty. Operand 3025 states and 3500 transitions. [2018-10-27 00:52:59,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-10-27 00:52:59,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:01,215 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-27 00:53:07,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:07,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 3072 states and 3549 transitions. [2018-10-27 00:53:07,028 INFO L276 IsEmpty]: Start isEmpty. Operand 3072 states and 3549 transitions. [2018-10-27 00:53:07,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-10-27 00:53:07,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:07,218 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-27 00:53:08,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:08,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3560 states to 3085 states and 3560 transitions. [2018-10-27 00:53:08,558 INFO L276 IsEmpty]: Start isEmpty. Operand 3085 states and 3560 transitions. [2018-10-27 00:53:08,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-10-27 00:53:08,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:08,725 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-27 00:53:13,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:13,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3620 states to 3146 states and 3620 transitions. [2018-10-27 00:53:13,833 INFO L276 IsEmpty]: Start isEmpty. Operand 3146 states and 3620 transitions. [2018-10-27 00:53:13,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-10-27 00:53:13,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:13,937 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 391 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-27 00:53:20,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:20,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3660 states to 3179 states and 3660 transitions. [2018-10-27 00:53:20,765 INFO L276 IsEmpty]: Start isEmpty. Operand 3179 states and 3660 transitions. [2018-10-27 00:53:20,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-10-27 00:53:20,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:20,867 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 391 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-27 00:53:26,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:26,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3708 states to 3227 states and 3708 transitions. [2018-10-27 00:53:26,260 INFO L276 IsEmpty]: Start isEmpty. Operand 3227 states and 3708 transitions. [2018-10-27 00:53:26,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-10-27 00:53:26,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:26,359 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 391 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-27 00:53:27,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:27,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3712 states to 3232 states and 3712 transitions. [2018-10-27 00:53:27,142 INFO L276 IsEmpty]: Start isEmpty. Operand 3232 states and 3712 transitions. [2018-10-27 00:53:27,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-10-27 00:53:27,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:27,242 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 391 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-27 00:53:28,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:28,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3713 states to 3234 states and 3713 transitions. [2018-10-27 00:53:28,145 INFO L276 IsEmpty]: Start isEmpty. Operand 3234 states and 3713 transitions. [2018-10-27 00:53:28,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-10-27 00:53:28,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:28,244 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 391 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-27 00:53:29,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:29,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3714 states to 3236 states and 3714 transitions. [2018-10-27 00:53:29,124 INFO L276 IsEmpty]: Start isEmpty. Operand 3236 states and 3714 transitions. [2018-10-27 00:53:29,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-27 00:53:29,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:29,184 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-10-27 00:53:29,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:29,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3724 states to 3246 states and 3724 transitions. [2018-10-27 00:53:29,599 INFO L276 IsEmpty]: Start isEmpty. Operand 3246 states and 3724 transitions. [2018-10-27 00:53:29,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-27 00:53:29,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:30,036 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-10-27 00:53:32,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:32,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3738 states to 3256 states and 3738 transitions. [2018-10-27 00:53:32,101 INFO L276 IsEmpty]: Start isEmpty. Operand 3256 states and 3738 transitions. [2018-10-27 00:53:32,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-27 00:53:32,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:32,160 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-10-27 00:53:32,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:32,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3744 states to 3263 states and 3744 transitions. [2018-10-27 00:53:32,245 INFO L276 IsEmpty]: Start isEmpty. Operand 3263 states and 3744 transitions. [2018-10-27 00:53:32,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-10-27 00:53:32,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:32,324 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 255 proven. 2 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-10-27 00:53:33,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:33,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3767 states to 3282 states and 3767 transitions. [2018-10-27 00:53:33,578 INFO L276 IsEmpty]: Start isEmpty. Operand 3282 states and 3767 transitions. [2018-10-27 00:53:33,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-10-27 00:53:33,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:33,657 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 255 proven. 2 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-10-27 00:53:35,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:35,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3779 states to 3295 states and 3779 transitions. [2018-10-27 00:53:35,452 INFO L276 IsEmpty]: Start isEmpty. Operand 3295 states and 3779 transitions. [2018-10-27 00:53:35,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-10-27 00:53:35,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:35,566 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 255 proven. 2 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-10-27 00:53:36,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:36,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3802 states to 3314 states and 3802 transitions. [2018-10-27 00:53:36,804 INFO L276 IsEmpty]: Start isEmpty. Operand 3314 states and 3802 transitions. [2018-10-27 00:53:36,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-10-27 00:53:36,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:36,883 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 255 proven. 2 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-10-27 00:53:37,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:37,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3810 states to 3322 states and 3810 transitions. [2018-10-27 00:53:37,503 INFO L276 IsEmpty]: Start isEmpty. Operand 3322 states and 3810 transitions. [2018-10-27 00:53:37,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-10-27 00:53:37,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:37,583 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 255 proven. 2 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-10-27 00:53:38,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:38,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3818 states to 3330 states and 3818 transitions. [2018-10-27 00:53:38,332 INFO L276 IsEmpty]: Start isEmpty. Operand 3330 states and 3818 transitions. [2018-10-27 00:53:38,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-10-27 00:53:38,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:39,290 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 264 proven. 97 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-27 00:53:42,900 WARN L179 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 22 [2018-10-27 00:53:48,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:48,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3874 states to 3380 states and 3874 transitions. [2018-10-27 00:53:48,050 INFO L276 IsEmpty]: Start isEmpty. Operand 3380 states and 3874 transitions. [2018-10-27 00:53:48,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-10-27 00:53:48,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:48,469 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 264 proven. 97 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-27 00:53:49,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:49,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3881 states to 3386 states and 3881 transitions. [2018-10-27 00:53:49,815 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3881 transitions. [2018-10-27 00:53:49,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-10-27 00:53:49,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:50,254 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 264 proven. 97 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-27 00:53:50,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:50,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3882 states to 3388 states and 3882 transitions. [2018-10-27 00:53:50,970 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 3882 transitions. [2018-10-27 00:53:50,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-10-27 00:53:50,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:51,352 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 264 proven. 97 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-27 00:53:52,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:52,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3883 states to 3391 states and 3883 transitions. [2018-10-27 00:53:52,088 INFO L276 IsEmpty]: Start isEmpty. Operand 3391 states and 3883 transitions. [2018-10-27 00:53:52,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-10-27 00:53:52,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:52,233 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-27 00:53:52,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:52,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3886 states to 3396 states and 3886 transitions. [2018-10-27 00:53:52,897 INFO L276 IsEmpty]: Start isEmpty. Operand 3396 states and 3886 transitions. [2018-10-27 00:53:52,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-10-27 00:53:52,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:52,994 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-27 00:53:53,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:53,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3893 states to 3403 states and 3893 transitions. [2018-10-27 00:53:53,906 INFO L276 IsEmpty]: Start isEmpty. Operand 3403 states and 3893 transitions. [2018-10-27 00:53:53,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-10-27 00:53:53,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:53,999 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-27 00:53:54,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:54,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3896 states to 3408 states and 3896 transitions. [2018-10-27 00:53:54,763 INFO L276 IsEmpty]: Start isEmpty. Operand 3408 states and 3896 transitions. [2018-10-27 00:53:54,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-10-27 00:53:54,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:54,879 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 335 proven. 5 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-10-27 00:53:54,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:54,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3898 states to 3411 states and 3898 transitions. [2018-10-27 00:53:54,964 INFO L276 IsEmpty]: Start isEmpty. Operand 3411 states and 3898 transitions. [2018-10-27 00:53:54,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-10-27 00:53:54,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:55,382 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 383 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-27 00:53:57,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:57,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3922 states to 3434 states and 3922 transitions. [2018-10-27 00:53:57,320 INFO L276 IsEmpty]: Start isEmpty. Operand 3434 states and 3922 transitions. [2018-10-27 00:53:57,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-10-27 00:53:57,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:57,415 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 383 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-27 00:53:57,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:57,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3926 states to 3438 states and 3926 transitions. [2018-10-27 00:53:57,763 INFO L276 IsEmpty]: Start isEmpty. Operand 3438 states and 3926 transitions. [2018-10-27 00:53:57,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-10-27 00:53:57,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:57,858 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 383 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-27 00:53:58,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:58,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3929 states to 3442 states and 3929 transitions. [2018-10-27 00:53:58,225 INFO L276 IsEmpty]: Start isEmpty. Operand 3442 states and 3929 transitions. [2018-10-27 00:53:58,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-10-27 00:53:58,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:58,325 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 383 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-27 00:53:58,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:58,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3929 states to 3443 states and 3929 transitions. [2018-10-27 00:53:58,982 INFO L276 IsEmpty]: Start isEmpty. Operand 3443 states and 3929 transitions. [2018-10-27 00:53:58,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-10-27 00:53:58,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:59,060 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 293 proven. 1 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-10-27 00:53:59,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:59,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3932 states to 3447 states and 3932 transitions. [2018-10-27 00:53:59,441 INFO L276 IsEmpty]: Start isEmpty. Operand 3447 states and 3932 transitions. [2018-10-27 00:53:59,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-10-27 00:53:59,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:53:59,519 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 293 proven. 1 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-10-27 00:53:59,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:53:59,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3938 states to 3455 states and 3938 transitions. [2018-10-27 00:53:59,950 INFO L276 IsEmpty]: Start isEmpty. Operand 3455 states and 3938 transitions. [2018-10-27 00:53:59,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-10-27 00:53:59,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:53:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:00,036 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-10-27 00:54:01,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:54:01,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 3465 states and 3947 transitions. [2018-10-27 00:54:01,017 INFO L276 IsEmpty]: Start isEmpty. Operand 3465 states and 3947 transitions. [2018-10-27 00:54:01,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-10-27 00:54:01,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:54:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:01,101 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-10-27 00:54:01,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:54:01,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3959 states to 3479 states and 3959 transitions. [2018-10-27 00:54:01,545 INFO L276 IsEmpty]: Start isEmpty. Operand 3479 states and 3959 transitions. [2018-10-27 00:54:01,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-10-27 00:54:01,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:54:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:01,660 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-10-27 00:54:02,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:54:02,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3960 states to 3481 states and 3960 transitions. [2018-10-27 00:54:02,068 INFO L276 IsEmpty]: Start isEmpty. Operand 3481 states and 3960 transitions. [2018-10-27 00:54:02,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-10-27 00:54:02,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:54:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:02,969 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 372 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-10-27 00:54:05,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:54:05,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3966 states to 3486 states and 3966 transitions. [2018-10-27 00:54:05,698 INFO L276 IsEmpty]: Start isEmpty. Operand 3486 states and 3966 transitions. [2018-10-27 00:54:05,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-10-27 00:54:05,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:54:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:05,794 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2018-10-27 00:54:07,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:54:07,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3980 states to 3502 states and 3980 transitions. [2018-10-27 00:54:07,281 INFO L276 IsEmpty]: Start isEmpty. Operand 3502 states and 3980 transitions. [2018-10-27 00:54:07,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-10-27 00:54:07,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:54:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:07,372 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2018-10-27 00:54:07,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:54:07,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3984 states to 3507 states and 3984 transitions. [2018-10-27 00:54:07,891 INFO L276 IsEmpty]: Start isEmpty. Operand 3507 states and 3984 transitions. [2018-10-27 00:54:07,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-10-27 00:54:07,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:54:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:08,106 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 378 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2018-10-27 00:54:10,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:54:10,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4008 states to 3526 states and 4008 transitions. [2018-10-27 00:54:10,205 INFO L276 IsEmpty]: Start isEmpty. Operand 3526 states and 4008 transitions. [2018-10-27 00:54:10,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-10-27 00:54:10,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:54:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:10,417 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 378 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2018-10-27 00:54:12,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:54:12,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4029 states to 3544 states and 4029 transitions. [2018-10-27 00:54:12,586 INFO L276 IsEmpty]: Start isEmpty. Operand 3544 states and 4029 transitions. [2018-10-27 00:54:12,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-10-27 00:54:12,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:54:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:12,909 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 378 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2018-10-27 00:54:15,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:54:15,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4049 states to 3562 states and 4049 transitions. [2018-10-27 00:54:15,307 INFO L276 IsEmpty]: Start isEmpty. Operand 3562 states and 4049 transitions. [2018-10-27 00:54:15,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-10-27 00:54:15,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:54:15,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:15,421 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-10-27 00:54:15,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:54:15,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4049 states to 3563 states and 4049 transitions. [2018-10-27 00:54:15,496 INFO L276 IsEmpty]: Start isEmpty. Operand 3563 states and 4049 transitions. [2018-10-27 00:54:15,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-10-27 00:54:15,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:54:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:18,120 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 426 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-10-27 00:54:23,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:54:23,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4100 states to 3613 states and 4100 transitions. [2018-10-27 00:54:23,581 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 4100 transitions. [2018-10-27 00:54:23,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-10-27 00:54:23,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:54:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:23,805 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 426 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-10-27 00:54:24,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:54:24,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4115 states to 3629 states and 4115 transitions. [2018-10-27 00:54:24,359 INFO L276 IsEmpty]: Start isEmpty. Operand 3629 states and 4115 transitions. [2018-10-27 00:54:24,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-10-27 00:54:24,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:54:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:24,440 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 399 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-10-27 00:54:26,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:54:26,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4123 states to 3636 states and 4123 transitions. [2018-10-27 00:54:26,319 INFO L276 IsEmpty]: Start isEmpty. Operand 3636 states and 4123 transitions. [2018-10-27 00:54:26,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-10-27 00:54:26,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:54:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:26,437 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 420 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-10-27 00:54:27,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:54:27,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4140 states to 3653 states and 4140 transitions. [2018-10-27 00:54:27,156 INFO L276 IsEmpty]: Start isEmpty. Operand 3653 states and 4140 transitions. [2018-10-27 00:54:27,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-10-27 00:54:27,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:54:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:27,247 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 321 proven. 1 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-10-27 00:54:27,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:54:27,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4143 states to 3657 states and 4143 transitions. [2018-10-27 00:54:27,706 INFO L276 IsEmpty]: Start isEmpty. Operand 3657 states and 4143 transitions. [2018-10-27 00:54:27,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-10-27 00:54:27,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:54:27,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:27,800 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 334 proven. 2 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-10-27 00:54:28,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:54:28,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4153 states to 3668 states and 4153 transitions. [2018-10-27 00:54:28,263 INFO L276 IsEmpty]: Start isEmpty. Operand 3668 states and 4153 transitions. [2018-10-27 00:54:28,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-10-27 00:54:28,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:54:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:28,724 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 334 proven. 2 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-10-27 00:54:29,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:54:29,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4182 states to 3696 states and 4182 transitions. [2018-10-27 00:54:29,906 INFO L276 IsEmpty]: Start isEmpty. Operand 3696 states and 4182 transitions. [2018-10-27 00:54:29,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-10-27 00:54:29,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:54:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:29,998 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 334 proven. 2 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-10-27 00:54:30,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:54:30,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4187 states to 3701 states and 4187 transitions. [2018-10-27 00:54:30,456 INFO L276 IsEmpty]: Start isEmpty. Operand 3701 states and 4187 transitions. [2018-10-27 00:54:30,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-10-27 00:54:30,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:54:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:30,550 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 334 proven. 2 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-10-27 00:54:31,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:54:31,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4200 states to 3714 states and 4200 transitions. [2018-10-27 00:54:31,031 INFO L276 IsEmpty]: Start isEmpty. Operand 3714 states and 4200 transitions. [2018-10-27 00:54:31,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-10-27 00:54:31,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:54:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:31,336 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 512 proven. 5 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2018-10-27 00:54:38,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:54:38,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4253 states to 3759 states and 4253 transitions. [2018-10-27 00:54:38,050 INFO L276 IsEmpty]: Start isEmpty. Operand 3759 states and 4253 transitions. [2018-10-27 00:54:38,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-10-27 00:54:38,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:54:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:38,182 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-10-27 00:54:41,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:54:41,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4264 states to 3767 states and 4264 transitions. [2018-10-27 00:54:41,073 INFO L276 IsEmpty]: Start isEmpty. Operand 3767 states and 4264 transitions. [2018-10-27 00:54:41,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-10-27 00:54:41,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:54:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:41,250 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 512 proven. 5 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2018-10-27 00:54:47,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:54:47,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4295 states to 3793 states and 4295 transitions. [2018-10-27 00:54:47,881 INFO L276 IsEmpty]: Start isEmpty. Operand 3793 states and 4295 transitions. [2018-10-27 00:54:47,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-10-27 00:54:47,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:54:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:48,036 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 512 proven. 5 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2018-10-27 00:54:48,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:54:48,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4296 states to 3795 states and 4296 transitions. [2018-10-27 00:54:48,249 INFO L276 IsEmpty]: Start isEmpty. Operand 3795 states and 4296 transitions. [2018-10-27 00:54:48,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-10-27 00:54:48,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:54:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:48,333 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-10-27 00:54:48,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:54:48,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4297 states to 3797 states and 4297 transitions. [2018-10-27 00:54:48,949 INFO L276 IsEmpty]: Start isEmpty. Operand 3797 states and 4297 transitions. [2018-10-27 00:54:48,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-10-27 00:54:48,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:54:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:49,028 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 483 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-10-27 00:54:49,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:54:49,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4302 states to 3802 states and 4302 transitions. [2018-10-27 00:54:49,530 INFO L276 IsEmpty]: Start isEmpty. Operand 3802 states and 4302 transitions. [2018-10-27 00:54:49,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-10-27 00:54:49,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:54:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:54:52,580 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 319 proven. 287 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 00:55:03,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:55:03,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4360 states to 3852 states and 4360 transitions. [2018-10-27 00:55:03,369 INFO L276 IsEmpty]: Start isEmpty. Operand 3852 states and 4360 transitions. [2018-10-27 00:55:03,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-10-27 00:55:03,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:55:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:04,303 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 319 proven. 287 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 00:55:09,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:55:09,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4414 states to 3906 states and 4414 transitions. [2018-10-27 00:55:09,991 INFO L276 IsEmpty]: Start isEmpty. Operand 3906 states and 4414 transitions. [2018-10-27 00:55:09,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-10-27 00:55:09,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:55:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:10,525 INFO L134 CoverageAnalysis]: Checked inductivity of 557 backedges. 337 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-10-27 00:55:10,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:55:10,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4414 states to 3907 states and 4414 transitions. [2018-10-27 00:55:10,969 INFO L276 IsEmpty]: Start isEmpty. Operand 3907 states and 4414 transitions. [2018-10-27 00:55:10,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-10-27 00:55:10,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:55:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:11,206 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 508 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2018-10-27 00:55:12,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:55:12,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4450 states to 3937 states and 4450 transitions. [2018-10-27 00:55:12,876 INFO L276 IsEmpty]: Start isEmpty. Operand 3937 states and 4450 transitions. [2018-10-27 00:55:12,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-10-27 00:55:12,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:55:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:13,103 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 508 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2018-10-27 00:55:15,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:55:15,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4469 states to 3954 states and 4469 transitions. [2018-10-27 00:55:15,526 INFO L276 IsEmpty]: Start isEmpty. Operand 3954 states and 4469 transitions. [2018-10-27 00:55:15,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-10-27 00:55:15,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:55:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:15,756 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 508 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2018-10-27 00:55:16,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:55:16,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4476 states to 3962 states and 4476 transitions. [2018-10-27 00:55:16,970 INFO L276 IsEmpty]: Start isEmpty. Operand 3962 states and 4476 transitions. [2018-10-27 00:55:16,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-10-27 00:55:16,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:55:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:17,282 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 508 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2018-10-27 00:55:18,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:55:18,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4503 states to 3985 states and 4503 transitions. [2018-10-27 00:55:18,903 INFO L276 IsEmpty]: Start isEmpty. Operand 3985 states and 4503 transitions. [2018-10-27 00:55:18,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-10-27 00:55:18,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:55:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:19,144 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 508 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2018-10-27 00:55:19,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:55:19,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4512 states to 3995 states and 4512 transitions. [2018-10-27 00:55:19,598 INFO L276 IsEmpty]: Start isEmpty. Operand 3995 states and 4512 transitions. [2018-10-27 00:55:19,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-10-27 00:55:19,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:55:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:19,846 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 508 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2018-10-27 00:55:20,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:55:20,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4514 states to 3998 states and 4514 transitions. [2018-10-27 00:55:20,616 INFO L276 IsEmpty]: Start isEmpty. Operand 3998 states and 4514 transitions. [2018-10-27 00:55:20,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-10-27 00:55:20,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:55:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:20,850 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 508 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2018-10-27 00:55:21,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:55:21,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4521 states to 4007 states and 4521 transitions. [2018-10-27 00:55:21,705 INFO L276 IsEmpty]: Start isEmpty. Operand 4007 states and 4521 transitions. [2018-10-27 00:55:21,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-10-27 00:55:21,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:55:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:21,835 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 517 proven. 5 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-27 00:55:22,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:55:22,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4526 states to 4013 states and 4526 transitions. [2018-10-27 00:55:22,689 INFO L276 IsEmpty]: Start isEmpty. Operand 4013 states and 4526 transitions. [2018-10-27 00:55:22,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-10-27 00:55:22,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:55:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:22,887 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 517 proven. 5 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-27 00:55:23,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:55:23,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4538 states to 4026 states and 4538 transitions. [2018-10-27 00:55:23,013 INFO L276 IsEmpty]: Start isEmpty. Operand 4026 states and 4538 transitions. [2018-10-27 00:55:23,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-10-27 00:55:23,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:55:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:23,145 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 517 proven. 5 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-27 00:55:23,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:55:23,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4538 states to 4027 states and 4538 transitions. [2018-10-27 00:55:23,573 INFO L276 IsEmpty]: Start isEmpty. Operand 4027 states and 4538 transitions. [2018-10-27 00:55:23,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-10-27 00:55:23,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:55:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:23,733 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 517 proven. 5 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-27 00:55:24,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:55:24,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4538 states to 4028 states and 4538 transitions. [2018-10-27 00:55:24,588 INFO L276 IsEmpty]: Start isEmpty. Operand 4028 states and 4538 transitions. [2018-10-27 00:55:24,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-10-27 00:55:24,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:55:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:26,834 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 322 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:40,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:55:40,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4608 states to 4090 states and 4608 transitions. [2018-10-27 00:55:40,934 INFO L276 IsEmpty]: Start isEmpty. Operand 4090 states and 4608 transitions. [2018-10-27 00:55:40,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-10-27 00:55:40,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:55:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:41,260 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 322 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:45,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:55:45,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4643 states to 4125 states and 4643 transitions. [2018-10-27 00:55:45,723 INFO L276 IsEmpty]: Start isEmpty. Operand 4125 states and 4643 transitions. [2018-10-27 00:55:45,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-10-27 00:55:45,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:55:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:46,484 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 322 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:55:47,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:55:47,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4647 states to 4130 states and 4647 transitions. [2018-10-27 00:55:47,554 INFO L276 IsEmpty]: Start isEmpty. Operand 4130 states and 4647 transitions. [2018-10-27 00:55:47,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-10-27 00:55:47,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:55:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:47,694 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 470 proven. 10 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-10-27 00:55:47,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:55:47,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4663 states to 4148 states and 4663 transitions. [2018-10-27 00:55:47,865 INFO L276 IsEmpty]: Start isEmpty. Operand 4148 states and 4663 transitions. [2018-10-27 00:55:47,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-10-27 00:55:47,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:55:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:48,408 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 470 proven. 10 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-10-27 00:55:48,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:55:48,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4682 states to 4170 states and 4682 transitions. [2018-10-27 00:55:48,593 INFO L276 IsEmpty]: Start isEmpty. Operand 4170 states and 4682 transitions. [2018-10-27 00:55:48,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-10-27 00:55:48,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:55:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:52,499 INFO L134 CoverageAnalysis]: Checked inductivity of 712 backedges. 633 proven. 5 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-10-27 00:55:53,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:55:53,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4684 states to 4171 states and 4684 transitions. [2018-10-27 00:55:53,840 INFO L276 IsEmpty]: Start isEmpty. Operand 4171 states and 4684 transitions. [2018-10-27 00:55:53,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-10-27 00:55:53,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:55:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:55,855 INFO L134 CoverageAnalysis]: Checked inductivity of 712 backedges. 633 proven. 5 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-10-27 00:55:57,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:55:57,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4688 states to 4175 states and 4688 transitions. [2018-10-27 00:55:57,671 INFO L276 IsEmpty]: Start isEmpty. Operand 4175 states and 4688 transitions. [2018-10-27 00:55:57,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-10-27 00:55:57,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:55:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:58,185 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 400 proven. 3 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2018-10-27 00:55:58,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:55:58,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4689 states to 4177 states and 4689 transitions. [2018-10-27 00:55:58,373 INFO L276 IsEmpty]: Start isEmpty. Operand 4177 states and 4689 transitions. [2018-10-27 00:55:58,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-10-27 00:55:58,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:55:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:55:58,495 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 400 proven. 3 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2018-10-27 00:55:58,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:55:58,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4706 states to 4195 states and 4706 transitions. [2018-10-27 00:55:58,677 INFO L276 IsEmpty]: Start isEmpty. Operand 4195 states and 4706 transitions. [2018-10-27 00:55:58,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-10-27 00:55:58,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:55:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:56:03,054 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 89 proven. 580 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 00:56:11,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:56:11,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4748 states to 4235 states and 4748 transitions. [2018-10-27 00:56:11,731 INFO L276 IsEmpty]: Start isEmpty. Operand 4235 states and 4748 transitions. [2018-10-27 00:56:11,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-10-27 00:56:11,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:56:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:56:13,985 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 89 proven. 580 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 00:56:26,172 WARN L179 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-10-27 00:56:30,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:56:30,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4814 states to 4301 states and 4814 transitions. [2018-10-27 00:56:30,662 INFO L276 IsEmpty]: Start isEmpty. Operand 4301 states and 4814 transitions. [2018-10-27 00:56:30,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-10-27 00:56:30,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:56:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:56:32,076 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 89 proven. 580 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 00:56:33,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:56:33,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4816 states to 4304 states and 4816 transitions. [2018-10-27 00:56:33,795 INFO L276 IsEmpty]: Start isEmpty. Operand 4304 states and 4816 transitions. [2018-10-27 00:56:33,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-10-27 00:56:33,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:56:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:56:35,168 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 89 proven. 580 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 00:56:38,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:56:38,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4827 states to 4317 states and 4827 transitions. [2018-10-27 00:56:38,665 INFO L276 IsEmpty]: Start isEmpty. Operand 4317 states and 4827 transitions. [2018-10-27 00:56:38,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-10-27 00:56:38,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:56:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:56:40,177 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 89 proven. 580 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 00:56:43,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:56:43,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4845 states to 4336 states and 4845 transitions. [2018-10-27 00:56:43,153 INFO L276 IsEmpty]: Start isEmpty. Operand 4336 states and 4845 transitions. [2018-10-27 00:56:43,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2018-10-27 00:56:43,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:56:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:56:43,301 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 304 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2018-10-27 00:56:43,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:56:43,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4851 states to 4343 states and 4851 transitions. [2018-10-27 00:56:43,919 INFO L276 IsEmpty]: Start isEmpty. Operand 4343 states and 4851 transitions. [2018-10-27 00:56:43,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2018-10-27 00:56:43,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:56:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:56:44,072 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 304 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2018-10-27 00:56:45,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:56:45,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4855 states to 4348 states and 4855 transitions. [2018-10-27 00:56:45,106 INFO L276 IsEmpty]: Start isEmpty. Operand 4348 states and 4855 transitions. [2018-10-27 00:56:45,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2018-10-27 00:56:45,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:56:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:56:45,258 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 304 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2018-10-27 00:56:47,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:56:47,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4885 states to 4379 states and 4885 transitions. [2018-10-27 00:56:47,434 INFO L276 IsEmpty]: Start isEmpty. Operand 4379 states and 4885 transitions. [2018-10-27 00:56:47,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2018-10-27 00:56:47,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:56:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:56:47,945 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 304 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2018-10-27 00:56:48,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:56:48,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4889 states to 4384 states and 4889 transitions. [2018-10-27 00:56:48,899 INFO L276 IsEmpty]: Start isEmpty. Operand 4384 states and 4889 transitions. [2018-10-27 00:56:48,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2018-10-27 00:56:48,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:56:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:56:49,051 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 304 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2018-10-27 00:56:50,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:56:50,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4903 states to 4400 states and 4903 transitions. [2018-10-27 00:56:50,413 INFO L276 IsEmpty]: Start isEmpty. Operand 4400 states and 4903 transitions. [2018-10-27 00:56:50,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-10-27 00:56:50,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:56:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:56:50,821 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 667 proven. 7 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-10-27 00:56:58,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:56:58,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4958 states to 4441 states and 4958 transitions. [2018-10-27 00:56:58,205 INFO L276 IsEmpty]: Start isEmpty. Operand 4441 states and 4958 transitions. [2018-10-27 00:56:58,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-10-27 00:56:58,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:56:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:56:58,592 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 667 proven. 7 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-10-27 00:57:00,355 WARN L179 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-27 00:57:02,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:57:02,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4990 states to 4472 states and 4990 transitions. [2018-10-27 00:57:02,321 INFO L276 IsEmpty]: Start isEmpty. Operand 4472 states and 4990 transitions. [2018-10-27 00:57:02,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-10-27 00:57:02,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:57:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:57:02,721 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 667 proven. 7 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-10-27 00:57:04,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:57:04,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5012 states to 4494 states and 5012 transitions. [2018-10-27 00:57:04,387 INFO L276 IsEmpty]: Start isEmpty. Operand 4494 states and 5012 transitions. [2018-10-27 00:57:04,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-10-27 00:57:04,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:57:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:57:04,774 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 667 proven. 7 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-10-27 00:57:05,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:57:05,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5021 states to 4503 states and 5021 transitions. [2018-10-27 00:57:05,468 INFO L276 IsEmpty]: Start isEmpty. Operand 4503 states and 5021 transitions. [2018-10-27 00:57:05,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-10-27 00:57:05,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:57:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:57:05,863 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 667 proven. 7 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-10-27 00:57:05,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:57:05,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5027 states to 4510 states and 5027 transitions. [2018-10-27 00:57:05,958 INFO L276 IsEmpty]: Start isEmpty. Operand 4510 states and 5027 transitions. [2018-10-27 00:57:05,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-10-27 00:57:05,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:57:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:57:06,376 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 667 proven. 7 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-10-27 00:57:06,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:57:06,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5036 states to 4520 states and 5036 transitions. [2018-10-27 00:57:06,480 INFO L276 IsEmpty]: Start isEmpty. Operand 4520 states and 5036 transitions. [2018-10-27 00:57:06,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-10-27 00:57:06,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:57:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:57:06,872 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 667 proven. 7 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-10-27 00:57:07,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:57:07,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5044 states to 4529 states and 5044 transitions. [2018-10-27 00:57:07,124 INFO L276 IsEmpty]: Start isEmpty. Operand 4529 states and 5044 transitions. [2018-10-27 00:57:07,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-10-27 00:57:07,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:57:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:57:07,521 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 667 proven. 7 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-10-27 00:57:07,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:57:07,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4740 states to 4276 states and 4740 transitions. [2018-10-27 00:57:07,661 INFO L276 IsEmpty]: Start isEmpty. Operand 4276 states and 4740 transitions. [2018-10-27 00:57:07,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2018-10-27 00:57:07,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:57:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:57:09,121 INFO L134 CoverageAnalysis]: Checked inductivity of 958 backedges. 402 proven. 486 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-27 00:57:18,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:57:18,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4792 states to 4324 states and 4792 transitions. [2018-10-27 00:57:18,758 INFO L276 IsEmpty]: Start isEmpty. Operand 4324 states and 4792 transitions. [2018-10-27 00:57:18,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2018-10-27 00:57:18,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:57:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:57:19,335 INFO L134 CoverageAnalysis]: Checked inductivity of 958 backedges. 402 proven. 486 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-27 00:57:21,603 WARN L179 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-10-27 00:57:28,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:57:28,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4843 states to 4372 states and 4843 transitions. [2018-10-27 00:57:28,461 INFO L276 IsEmpty]: Start isEmpty. Operand 4372 states and 4843 transitions. [2018-10-27 00:57:28,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2018-10-27 00:57:28,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:57:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:57:29,032 INFO L134 CoverageAnalysis]: Checked inductivity of 958 backedges. 402 proven. 486 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-27 00:57:33,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:57:33,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4870 states to 4400 states and 4870 transitions. [2018-10-27 00:57:33,798 INFO L276 IsEmpty]: Start isEmpty. Operand 4400 states and 4870 transitions. [2018-10-27 00:57:33,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2018-10-27 00:57:33,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:57:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:57:34,791 INFO L134 CoverageAnalysis]: Checked inductivity of 958 backedges. 402 proven. 486 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-27 00:57:35,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:57:35,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4871 states to 4402 states and 4871 transitions. [2018-10-27 00:57:35,815 INFO L276 IsEmpty]: Start isEmpty. Operand 4402 states and 4871 transitions. [2018-10-27 00:57:35,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2018-10-27 00:57:35,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:57:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:57:36,387 INFO L134 CoverageAnalysis]: Checked inductivity of 958 backedges. 402 proven. 486 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-27 00:57:37,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:57:37,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4872 states to 4404 states and 4872 transitions. [2018-10-27 00:57:37,379 INFO L276 IsEmpty]: Start isEmpty. Operand 4404 states and 4872 transitions. [2018-10-27 00:57:37,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2018-10-27 00:57:37,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:57:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:57:37,948 INFO L134 CoverageAnalysis]: Checked inductivity of 958 backedges. 402 proven. 486 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-27 00:57:39,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:57:39,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4875 states to 4408 states and 4875 transitions. [2018-10-27 00:57:39,492 INFO L276 IsEmpty]: Start isEmpty. Operand 4408 states and 4875 transitions. [2018-10-27 00:57:39,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2018-10-27 00:57:39,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:57:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:57:40,405 INFO L134 CoverageAnalysis]: Checked inductivity of 958 backedges. 402 proven. 486 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-27 00:57:41,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:57:41,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4876 states to 4409 states and 4876 transitions. [2018-10-27 00:57:41,940 INFO L276 IsEmpty]: Start isEmpty. Operand 4409 states and 4876 transitions. [2018-10-27 00:57:41,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2018-10-27 00:57:41,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:57:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:57:42,513 INFO L134 CoverageAnalysis]: Checked inductivity of 958 backedges. 402 proven. 486 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-27 00:57:43,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:57:43,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3734 states to 3399 states and 3734 transitions. [2018-10-27 00:57:43,548 INFO L276 IsEmpty]: Start isEmpty. Operand 3399 states and 3734 transitions. [2018-10-27 00:57:43,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:57:43,550 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 327 iterations. [2018-10-27 00:57:43,560 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-27 00:57:43,938 WARN L179 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 53 [2018-10-27 00:57:44,233 WARN L179 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 50 [2018-10-27 00:57:44,336 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2018-10-27 00:57:44,624 WARN L179 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 53 [2018-10-27 00:57:45,072 WARN L179 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 56 [2018-10-27 00:57:45,357 WARN L179 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 46 [2018-10-27 00:57:45,490 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 38 [2018-10-27 00:57:45,860 WARN L179 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 46 [2018-10-27 00:57:45,994 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 34 [2018-10-27 00:57:46,256 WARN L179 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 44 [2018-10-27 00:57:46,645 WARN L179 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 53 [2018-10-27 00:57:46,940 WARN L179 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 53 [2018-10-27 00:57:47,054 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 34 [2018-10-27 00:57:47,313 WARN L179 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 44 [2018-10-27 00:57:47,430 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2018-10-27 00:57:47,722 WARN L179 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 41 [2018-10-27 00:57:48,009 WARN L179 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 40 [2018-10-27 00:57:48,291 WARN L179 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 40 [2018-10-27 00:57:48,512 WARN L179 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 41 [2018-10-27 00:57:48,820 WARN L179 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 46 [2018-10-27 00:57:49,145 WARN L179 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 49 [2018-10-27 00:57:49,471 WARN L179 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 50 [2018-10-27 00:57:49,760 WARN L179 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 41 [2018-10-27 00:57:50,027 WARN L179 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 35 [2018-10-27 00:57:50,690 WARN L179 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 53 [2018-10-27 00:57:50,958 WARN L179 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 46 [2018-10-27 00:57:51,224 WARN L179 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 46 [2018-10-27 00:57:51,502 WARN L179 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 40 [2018-10-27 00:57:52,005 WARN L179 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 64 [2018-10-27 00:57:52,289 WARN L179 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 41 [2018-10-27 00:57:52,592 WARN L179 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 50 [2018-10-27 00:57:52,974 WARN L179 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 41 [2018-10-27 00:57:53,266 WARN L179 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 46 [2018-10-27 00:57:53,561 WARN L179 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 44 [2018-10-27 00:57:53,843 WARN L179 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 46 [2018-10-27 00:57:54,120 WARN L179 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 41 [2018-10-27 00:57:54,392 WARN L179 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 46 [2018-10-27 00:57:54,654 WARN L179 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 46 [2018-10-27 00:57:54,861 WARN L179 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 42 [2018-10-27 00:57:55,135 WARN L179 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 46 [2018-10-27 00:57:55,419 WARN L179 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 40 [2018-10-27 00:57:55,721 WARN L179 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 41 [2018-10-27 00:57:56,048 WARN L179 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 56 [2018-10-27 00:57:56,151 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 35 [2018-10-27 00:57:56,462 WARN L179 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 54 [2018-10-27 00:57:56,741 WARN L179 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 41 [2018-10-27 00:57:56,952 WARN L179 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 35 [2018-10-27 00:57:57,250 WARN L179 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 46 [2018-10-27 00:57:57,526 WARN L179 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 40 [2018-10-27 00:57:57,790 WARN L179 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 46 [2018-10-27 00:57:57,911 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 35 [2018-10-27 00:57:58,208 WARN L179 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 53 [2018-10-27 00:57:58,470 WARN L179 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 44 [2018-10-27 00:57:58,603 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 38 [2018-10-27 00:57:58,729 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 34 [2018-10-27 00:57:58,855 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 38 [2018-10-27 00:57:59,157 WARN L179 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 44 [2018-10-27 00:57:59,506 WARN L179 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 46 [2018-10-27 00:57:59,780 WARN L179 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 46 [2018-10-27 00:57:59,913 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 38 [2018-10-27 00:58:00,201 WARN L179 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 53 [2018-10-27 00:58:00,479 WARN L179 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 46 [2018-10-27 00:58:00,693 WARN L179 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 41 [2018-10-27 00:58:00,976 WARN L179 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 41 [2018-10-27 00:58:01,310 WARN L179 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 49 [2018-10-27 00:58:01,650 WARN L179 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 53 [2018-10-27 00:58:01,781 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 38 [2018-10-27 00:58:02,119 WARN L179 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 41 [2018-10-27 00:58:02,372 WARN L179 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 35 [2018-10-27 00:58:02,652 WARN L179 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 41 [2018-10-27 00:58:03,382 WARN L179 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 47 [2018-10-27 00:58:03,652 WARN L179 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 46 [2018-10-27 00:58:03,913 WARN L179 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 35 [2018-10-27 00:58:04,204 WARN L179 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 41 [2018-10-27 00:58:04,516 WARN L179 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 56 [2018-10-27 00:58:04,807 WARN L179 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 41 [2018-10-27 00:58:04,933 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 38 [2018-10-27 00:58:05,194 WARN L179 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 46 [2018-10-27 00:58:05,194 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:58:05,197 INFO L582 CodeCheckObserver]: Invariant with dag size 35 [2018-10-27 00:58:05,207 INFO L582 CodeCheckObserver]: Invariant with dag size 35 [2018-10-27 00:58:05,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 12:58:05 ImpRootNode [2018-10-27 00:58:05,209 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 00:58:05,209 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:58:05,209 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:58:05,210 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:58:05,210 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:49:11" (3/4) ... [2018-10-27 00:58:05,219 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 00:58:05,239 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-10-27 00:58:05,241 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-10-27 00:58:05,242 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-10-27 00:58:05,243 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-27 00:58:05,378 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_99ce1a20-4c9a-4453-a55e-48fac3afd924/bin-2019/ukojak/witness.graphml [2018-10-27 00:58:05,380 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:58:05,381 INFO L168 Benchmark]: Toolchain (without parser) took 539461.16 ms. Allocated memory was 1.0 GB in the beginning and 4.8 GB in the end (delta: 3.8 GB). Free memory was 955.8 MB in the beginning and 3.4 GB in the end (delta: -2.4 GB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-10-27 00:58:05,382 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:58:05,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 537.99 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 920.9 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-10-27 00:58:05,382 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.45 ms. Allocated memory is still 1.0 GB. Free memory was 920.9 MB in the beginning and 915.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:58:05,382 INFO L168 Benchmark]: Boogie Preprocessor took 200.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.1 MB). Free memory was 915.5 MB in the beginning and 1.2 GB in the end (delta: -256.9 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-10-27 00:58:05,383 INFO L168 Benchmark]: RCFGBuilder took 4905.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 924.4 MB in the end (delta: 248.0 MB). Peak memory consumption was 248.0 MB. Max. memory is 11.5 GB. [2018-10-27 00:58:05,388 INFO L168 Benchmark]: CodeCheck took 533565.48 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 924.4 MB in the beginning and 3.4 GB in the end (delta: -2.5 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. [2018-10-27 00:58:05,388 INFO L168 Benchmark]: Witness Printer took 170.91 ms. Allocated memory is still 4.8 GB. Free memory is still 3.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:58:05,390 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, 228 locations, 1 error locations. SAFE Result, 511.8s OverallTime, 327 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1090994944 SDtfs, 1169376472 SDslu, 1329534848 SDs, 0 SdLazy, 1290311868 SolverSat, -224005816 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3166.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 470161 GetRequests, 455774 SyntacticMatches, 11891 SemanticMatches, 2496 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5083914 ImplicationChecksByTransitivity, 440.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 2.0s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 59.5s InterpolantComputationTime, 75016 NumberOfCodeBlocks, 75016 NumberOfCodeBlocksAsserted, 326 NumberOfCheckSat, 74690 ConstructedInterpolants, 0 QuantifiedInterpolants, 97048291 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 326 InterpolantComputations, 230 PerfectInterpolantSequences, 87677/97830 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: 592]: 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: (((((((a19 == 1 && !(a11 == 1)) || ((a28 == 8 && a17 == 8) && a21 == 1)) || ((a17 == 8 && a21 == 1) && 7 == a28)) || (((a28 == 10 && a17 == 8) && a21 == 1) && a25 == 1)) || (!(a19 == 1) && a11 == 1)) || ((a11 == 1 && !(a17 == 9)) && !(a28 == 10))) || ((a28 == 10 && a25 == 1) && a11 == 1)) || ((a28 == 8 && !(1 == a25)) && !(a11 == 1)) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((a19 == 1 && !(a11 == 1)) || ((a11 == 1 && !(a17 == 9)) && !(a28 == 10))) || (!(a19 == 1) && a11 == 1)) || ((a17 == 8 && a28 == 7) && a21 == 1)) || (((a28 == 10 && a17 == 8) && a21 == 1) && a25 == 1)) || ((a28 == 8 && a17 == 8) && a21 == 1)) || ((a28 == 10 && a25 == 1) && a11 == 1)) || ((a28 == 8 && !(1 == a25)) && !(a11 == 1)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 537.99 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 920.9 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.45 ms. Allocated memory is still 1.0 GB. Free memory was 920.9 MB in the beginning and 915.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 200.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.1 MB). Free memory was 915.5 MB in the beginning and 1.2 GB in the end (delta: -256.9 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4905.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 924.4 MB in the end (delta: 248.0 MB). Peak memory consumption was 248.0 MB. Max. memory is 11.5 GB. * CodeCheck took 533565.48 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 924.4 MB in the beginning and 3.4 GB in the end (delta: -2.5 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. * Witness Printer took 170.91 ms. Allocated memory is still 4.8 GB. Free memory is still 3.4 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...