./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label36_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_a6db7792-2b79-4dcd-b137-4789a44b452b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a6db7792-2b79-4dcd-b137-4789a44b452b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a6db7792-2b79-4dcd-b137-4789a44b452b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a6db7792-2b79-4dcd-b137-4789a44b452b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label36_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a6db7792-2b79-4dcd-b137-4789a44b452b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a6db7792-2b79-4dcd-b137-4789a44b452b/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 c5d4c7b38a296f79910d0f6d17d9b88307731454 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:15:15,298 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:15:15,300 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:15:15,310 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:15:15,311 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:15:15,312 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:15:15,313 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:15:15,314 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:15:15,316 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:15:15,317 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:15:15,318 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:15:15,318 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:15:15,319 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:15:15,320 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:15:15,321 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:15:15,322 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:15:15,323 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:15:15,325 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:15:15,327 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:15:15,328 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:15:15,329 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:15:15,331 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:15:15,333 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:15:15,333 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:15:15,333 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:15:15,335 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:15:15,336 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:15:15,337 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:15:15,337 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:15:15,339 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:15:15,339 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:15:15,340 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:15:15,340 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:15:15,340 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:15:15,342 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:15:15,342 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:15:15,343 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a6db7792-2b79-4dcd-b137-4789a44b452b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 22:15:15,356 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:15:15,356 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:15:15,357 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:15:15,357 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:15:15,358 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:15:15,358 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:15:15,359 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:15:15,359 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:15:15,359 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:15:15,360 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:15:15,360 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:15:15,360 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:15:15,360 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:15:15,360 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:15:15,360 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:15:15,360 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:15:15,361 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:15:15,361 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:15:15,361 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:15:15,361 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:15:15,361 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:15:15,361 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:15:15,362 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:15:15,362 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:15:15,362 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:15:15,362 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 22:15:15,365 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:15:15,365 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:15:15,365 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_a6db7792-2b79-4dcd-b137-4789a44b452b/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 -> c5d4c7b38a296f79910d0f6d17d9b88307731454 [2018-10-26 22:15:15,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:15:15,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:15:15,410 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:15:15,412 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:15:15,412 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:15:15,413 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a6db7792-2b79-4dcd-b137-4789a44b452b/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label36_true-unreach-call_false-termination.c [2018-10-26 22:15:15,475 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a6db7792-2b79-4dcd-b137-4789a44b452b/bin-2019/ukojak/data/36b2ef930/80ed0fa30cd44c6e97d3363091c06200/FLAG8f407eb0f [2018-10-26 22:15:15,950 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:15:15,951 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a6db7792-2b79-4dcd-b137-4789a44b452b/sv-benchmarks/c/eca-rers2012/Problem01_label36_true-unreach-call_false-termination.c [2018-10-26 22:15:15,962 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a6db7792-2b79-4dcd-b137-4789a44b452b/bin-2019/ukojak/data/36b2ef930/80ed0fa30cd44c6e97d3363091c06200/FLAG8f407eb0f [2018-10-26 22:15:15,977 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a6db7792-2b79-4dcd-b137-4789a44b452b/bin-2019/ukojak/data/36b2ef930/80ed0fa30cd44c6e97d3363091c06200 [2018-10-26 22:15:15,981 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:15:15,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:15:15,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:15:15,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:15:15,989 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:15:15,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:15:15" (1/1) ... [2018-10-26 22:15:15,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4698943a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:15:15, skipping insertion in model container [2018-10-26 22:15:15,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:15:15" (1/1) ... [2018-10-26 22:15:16,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:15:16,056 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:15:16,434 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:15:16,439 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:15:16,563 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:15:16,578 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:15:16,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:15:16 WrapperNode [2018-10-26 22:15:16,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:15:16,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:15:16,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:15:16,580 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:15:16,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:15:16" (1/1) ... [2018-10-26 22:15:16,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:15:16" (1/1) ... [2018-10-26 22:15:16,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:15:16,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:15:16,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:15:16,749 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:15:16,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:15:16" (1/1) ... [2018-10-26 22:15:16,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:15:16" (1/1) ... [2018-10-26 22:15:16,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:15:16" (1/1) ... [2018-10-26 22:15:16,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:15:16" (1/1) ... [2018-10-26 22:15:16,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:15:16" (1/1) ... [2018-10-26 22:15:16,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:15:16" (1/1) ... [2018-10-26 22:15:16,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:15:16" (1/1) ... [2018-10-26 22:15:16,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:15:16,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:15:16,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:15:16,817 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:15:16,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:15:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a6db7792-2b79-4dcd-b137-4789a44b452b/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 [2018-10-26 22:15:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 22:15:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:15:16,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:15:21,648 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:15:21,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:15:21 BoogieIcfgContainer [2018-10-26 22:15:21,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:15:21,650 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:15:21,650 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:15:21,660 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:15:21,661 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:15:21" (1/1) ... [2018-10-26 22:15:21,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:15:21,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:21,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-10-26 22:15:21,715 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-10-26 22:15:21,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 22:15:21,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:22,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:23,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:23,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 147 states and 222 transitions. [2018-10-26 22:15:23,167 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 222 transitions. [2018-10-26 22:15:23,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-26 22:15:23,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:23,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:24,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:24,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 218 states and 316 transitions. [2018-10-26 22:15:24,023 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 316 transitions. [2018-10-26 22:15:24,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-26 22:15:24,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:24,172 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:24,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:24,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 224 states and 327 transitions. [2018-10-26 22:15:24,505 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 327 transitions. [2018-10-26 22:15:24,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-26 22:15:24,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:24,957 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:25,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:25,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 295 states and 404 transitions. [2018-10-26 22:15:25,797 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 404 transitions. [2018-10-26 22:15:25,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-26 22:15:25,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:25,930 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:26,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:26,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 303 states and 418 transitions. [2018-10-26 22:15:26,337 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 418 transitions. [2018-10-26 22:15:26,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-26 22:15:26,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:26,407 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:26,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:26,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 306 states and 423 transitions. [2018-10-26 22:15:26,478 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 423 transitions. [2018-10-26 22:15:26,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-26 22:15:26,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:26,552 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:26,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:26,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 310 states and 429 transitions. [2018-10-26 22:15:26,791 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 429 transitions. [2018-10-26 22:15:26,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 22:15:26,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:26,920 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:27,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:27,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 319 states and 447 transitions. [2018-10-26 22:15:27,588 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 447 transitions. [2018-10-26 22:15:27,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 22:15:27,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:27,618 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:27,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:27,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 325 states and 456 transitions. [2018-10-26 22:15:27,942 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 456 transitions. [2018-10-26 22:15:27,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 22:15:27,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:27,969 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:28,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:28,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 330 states and 462 transitions. [2018-10-26 22:15:28,160 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 462 transitions. [2018-10-26 22:15:28,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-26 22:15:28,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:28,204 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:28,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:28,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 331 states and 464 transitions. [2018-10-26 22:15:28,347 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 464 transitions. [2018-10-26 22:15:28,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-26 22:15:28,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:28,398 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:28,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:28,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 335 states and 468 transitions. [2018-10-26 22:15:28,834 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 468 transitions. [2018-10-26 22:15:28,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-26 22:15:28,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:29,090 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:30,562 WARN L179 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-10-26 22:15:30,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:30,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 350 states and 490 transitions. [2018-10-26 22:15:30,748 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 490 transitions. [2018-10-26 22:15:30,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-26 22:15:30,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:30,788 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:15:30,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:30,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 351 states and 493 transitions. [2018-10-26 22:15:30,996 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 493 transitions. [2018-10-26 22:15:30,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-26 22:15:30,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:31,040 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:15:31,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:31,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 359 states and 503 transitions. [2018-10-26 22:15:31,465 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 503 transitions. [2018-10-26 22:15:31,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-26 22:15:31,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:31,496 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:15:32,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:32,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 365 states and 510 transitions. [2018-10-26 22:15:32,332 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 510 transitions. [2018-10-26 22:15:32,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-26 22:15:32,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:32,360 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:32,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:32,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 368 states and 516 transitions. [2018-10-26 22:15:32,625 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 516 transitions. [2018-10-26 22:15:32,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-26 22:15:32,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:32,658 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:15:32,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:32,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 369 states and 518 transitions. [2018-10-26 22:15:32,894 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 518 transitions. [2018-10-26 22:15:32,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-26 22:15:32,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:33,624 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:34,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:34,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 380 states and 531 transitions. [2018-10-26 22:15:34,456 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 531 transitions. [2018-10-26 22:15:34,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-26 22:15:34,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:34,519 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:34,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:34,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 381 states and 533 transitions. [2018-10-26 22:15:34,697 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 533 transitions. [2018-10-26 22:15:34,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-26 22:15:34,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:34,729 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:15:34,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:34,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 386 states and 538 transitions. [2018-10-26 22:15:34,794 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 538 transitions. [2018-10-26 22:15:34,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-26 22:15:34,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:34,823 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:35,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:35,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 404 states and 564 transitions. [2018-10-26 22:15:35,850 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 564 transitions. [2018-10-26 22:15:35,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-26 22:15:35,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:35,878 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:36,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:36,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 414 states and 577 transitions. [2018-10-26 22:15:36,290 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 577 transitions. [2018-10-26 22:15:36,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-26 22:15:36,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:36,318 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:36,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:36,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 415 states and 578 transitions. [2018-10-26 22:15:36,413 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 578 transitions. [2018-10-26 22:15:36,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 22:15:36,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:36,455 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:15:37,263 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-26 22:15:38,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:38,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 422 states and 586 transitions. [2018-10-26 22:15:38,214 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 586 transitions. [2018-10-26 22:15:38,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 22:15:38,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:38,243 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:15:38,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:38,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 424 states and 588 transitions. [2018-10-26 22:15:38,464 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 588 transitions. [2018-10-26 22:15:38,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-26 22:15:38,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:38,571 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 22:15:38,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:38,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 438 states and 607 transitions. [2018-10-26 22:15:38,933 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 607 transitions. [2018-10-26 22:15:38,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-26 22:15:38,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:38,964 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:15:39,547 WARN L179 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 22:15:40,019 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 22:15:41,571 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 22:15:42,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:42,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 439 states and 609 transitions. [2018-10-26 22:15:42,023 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 609 transitions. [2018-10-26 22:15:42,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-26 22:15:42,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:42,059 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:42,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:42,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 448 states and 620 transitions. [2018-10-26 22:15:42,122 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 620 transitions. [2018-10-26 22:15:42,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-26 22:15:42,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:42,429 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:42,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:42,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 456 states and 628 transitions. [2018-10-26 22:15:42,721 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 628 transitions. [2018-10-26 22:15:42,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 22:15:42,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:42,746 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 22:15:42,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:42,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 461 states and 633 transitions. [2018-10-26 22:15:42,852 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 633 transitions. [2018-10-26 22:15:42,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 22:15:42,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:42,878 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:15:43,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:43,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 463 states and 635 transitions. [2018-10-26 22:15:43,035 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 635 transitions. [2018-10-26 22:15:43,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 22:15:43,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:43,069 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:43,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:43,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 464 states and 637 transitions. [2018-10-26 22:15:43,202 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 637 transitions. [2018-10-26 22:15:43,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 22:15:43,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:43,239 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:15:43,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:43,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 471 states and 644 transitions. [2018-10-26 22:15:43,540 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 644 transitions. [2018-10-26 22:15:43,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 22:15:43,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:43,574 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:15:43,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:43,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 474 states and 647 transitions. [2018-10-26 22:15:43,771 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 647 transitions. [2018-10-26 22:15:43,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 22:15:43,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:43,818 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:44,880 WARN L179 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 25 [2018-10-26 22:15:46,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:46,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 502 states and 677 transitions. [2018-10-26 22:15:46,524 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 677 transitions. [2018-10-26 22:15:46,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 22:15:46,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:46,583 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-26 22:15:46,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:46,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 503 states and 678 transitions. [2018-10-26 22:15:46,776 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 678 transitions. [2018-10-26 22:15:46,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-26 22:15:46,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:46,805 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:15:46,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:46,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 505 states and 680 transitions. [2018-10-26 22:15:46,955 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 680 transitions. [2018-10-26 22:15:46,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-26 22:15:46,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:46,989 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:15:47,423 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-26 22:15:47,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:47,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 532 states and 710 transitions. [2018-10-26 22:15:47,903 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 710 transitions. [2018-10-26 22:15:47,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-26 22:15:47,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:47,937 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:15:47,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:47,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 533 states and 711 transitions. [2018-10-26 22:15:47,982 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 711 transitions. [2018-10-26 22:15:47,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-26 22:15:47,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:48,594 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:15:50,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:50,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 559 states and 744 transitions. [2018-10-26 22:15:50,684 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 744 transitions. [2018-10-26 22:15:50,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 22:15:50,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:50,718 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:15:50,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:50,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 567 states and 752 transitions. [2018-10-26 22:15:50,942 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 752 transitions. [2018-10-26 22:15:50,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 22:15:50,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:50,974 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:15:51,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:51,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 573 states and 759 transitions. [2018-10-26 22:15:51,508 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 759 transitions. [2018-10-26 22:15:51,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-26 22:15:51,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:51,543 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:15:51,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:51,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 574 states and 760 transitions. [2018-10-26 22:15:51,640 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 760 transitions. [2018-10-26 22:15:51,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-26 22:15:51,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:51,676 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:15:51,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:51,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 575 states and 761 transitions. [2018-10-26 22:15:51,767 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 761 transitions. [2018-10-26 22:15:51,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-26 22:15:51,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:52,062 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:53,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:53,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 589 states and 786 transitions. [2018-10-26 22:15:53,075 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 786 transitions. [2018-10-26 22:15:53,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-26 22:15:53,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:53,110 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:54,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:54,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 595 states and 792 transitions. [2018-10-26 22:15:54,179 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 792 transitions. [2018-10-26 22:15:54,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-26 22:15:54,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:54,600 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:15:55,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:55,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 601 states and 801 transitions. [2018-10-26 22:15:55,366 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 801 transitions. [2018-10-26 22:15:55,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-26 22:15:55,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:55,400 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:15:55,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:55,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 611 states and 811 transitions. [2018-10-26 22:15:55,862 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 811 transitions. [2018-10-26 22:15:55,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-26 22:15:55,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:56,456 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:58,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:58,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 660 states and 867 transitions. [2018-10-26 22:15:58,898 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 867 transitions. [2018-10-26 22:15:58,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-26 22:15:58,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:59,217 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:59,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:59,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 663 states and 875 transitions. [2018-10-26 22:15:59,998 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 875 transitions. [2018-10-26 22:15:59,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-26 22:15:59,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:00,048 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:16:00,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:00,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 671 states and 885 transitions. [2018-10-26 22:16:00,652 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 885 transitions. [2018-10-26 22:16:00,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 22:16:00,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:00,697 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:16:02,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:02,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 709 states and 927 transitions. [2018-10-26 22:16:02,439 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 927 transitions. [2018-10-26 22:16:02,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 22:16:02,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:02,665 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:16:04,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:04,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 722 states and 951 transitions. [2018-10-26 22:16:04,545 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 951 transitions. [2018-10-26 22:16:04,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 22:16:04,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:04,594 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:16:05,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:05,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 744 states and 973 transitions. [2018-10-26 22:16:05,513 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 973 transitions. [2018-10-26 22:16:05,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 22:16:05,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:05,562 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:16:06,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:06,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 755 states and 985 transitions. [2018-10-26 22:16:06,892 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 985 transitions. [2018-10-26 22:16:06,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 22:16:06,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:06,924 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:16:07,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:07,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 760 states and 992 transitions. [2018-10-26 22:16:07,813 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 992 transitions. [2018-10-26 22:16:07,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 22:16:07,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:07,845 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:16:08,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:08,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 765 states and 1000 transitions. [2018-10-26 22:16:08,076 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1000 transitions. [2018-10-26 22:16:08,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-26 22:16:08,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:08,117 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:16:08,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:08,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 778 states and 1013 transitions. [2018-10-26 22:16:08,522 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1013 transitions. [2018-10-26 22:16:08,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-26 22:16:08,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:08,750 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:16:10,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:10,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 792 states and 1029 transitions. [2018-10-26 22:16:10,335 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1029 transitions. [2018-10-26 22:16:10,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-26 22:16:10,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:10,730 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 22:16:12,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:12,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 800 states and 1047 transitions. [2018-10-26 22:16:12,730 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1047 transitions. [2018-10-26 22:16:12,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-26 22:16:12,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:12,986 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 22:16:13,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:13,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 804 states and 1051 transitions. [2018-10-26 22:16:13,313 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1051 transitions. [2018-10-26 22:16:13,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-26 22:16:13,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:13,760 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 22:16:16,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:16,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 848 states and 1102 transitions. [2018-10-26 22:16:16,706 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1102 transitions. [2018-10-26 22:16:16,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-26 22:16:16,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:17,247 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 22:16:19,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:19,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 861 states and 1119 transitions. [2018-10-26 22:16:19,102 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1119 transitions. [2018-10-26 22:16:19,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-26 22:16:19,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:19,253 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 22:16:19,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:19,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 865 states and 1123 transitions. [2018-10-26 22:16:19,658 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1123 transitions. [2018-10-26 22:16:19,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 22:16:19,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:19,690 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:16:19,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:19,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 872 states and 1130 transitions. [2018-10-26 22:16:19,725 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1130 transitions. [2018-10-26 22:16:19,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-26 22:16:19,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:20,573 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 22:16:23,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:23,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 905 states and 1173 transitions. [2018-10-26 22:16:23,504 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1173 transitions. [2018-10-26 22:16:23,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-26 22:16:23,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:23,658 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 22:16:24,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:24,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 912 states and 1181 transitions. [2018-10-26 22:16:24,515 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1181 transitions. [2018-10-26 22:16:24,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-26 22:16:24,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:24,554 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-26 22:16:25,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:25,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 914 states and 1185 transitions. [2018-10-26 22:16:25,286 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1185 transitions. [2018-10-26 22:16:25,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 22:16:25,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:25,360 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 22:16:25,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:25,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 918 states and 1196 transitions. [2018-10-26 22:16:25,678 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1196 transitions. [2018-10-26 22:16:25,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-26 22:16:25,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:25,715 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 22:16:25,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:25,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 927 states and 1208 transitions. [2018-10-26 22:16:25,792 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1208 transitions. [2018-10-26 22:16:25,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-26 22:16:25,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:25,842 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 22:16:27,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:27,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 961 states and 1247 transitions. [2018-10-26 22:16:27,131 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1247 transitions. [2018-10-26 22:16:27,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 22:16:27,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:27,166 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:16:27,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:27,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 980 states and 1266 transitions. [2018-10-26 22:16:27,264 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1266 transitions. [2018-10-26 22:16:27,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 22:16:27,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:27,300 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-10-26 22:16:27,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:27,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 982 states and 1267 transitions. [2018-10-26 22:16:27,336 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1267 transitions. [2018-10-26 22:16:27,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 22:16:27,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:27,964 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:16:29,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:29,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1006 states and 1300 transitions. [2018-10-26 22:16:29,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1300 transitions. [2018-10-26 22:16:29,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 22:16:29,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:29,686 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 22:16:29,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:29,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1010 states and 1304 transitions. [2018-10-26 22:16:29,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1304 transitions. [2018-10-26 22:16:29,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-26 22:16:29,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:30,567 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:16:32,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:32,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1035 states and 1331 transitions. [2018-10-26 22:16:32,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1331 transitions. [2018-10-26 22:16:32,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-26 22:16:32,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:32,900 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 22:16:33,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:33,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1036 states and 1334 transitions. [2018-10-26 22:16:33,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1334 transitions. [2018-10-26 22:16:33,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-26 22:16:33,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:33,297 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 22:16:34,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:34,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1037 states and 1335 transitions. [2018-10-26 22:16:34,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1335 transitions. [2018-10-26 22:16:34,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-26 22:16:34,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:34,251 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 22:16:35,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:35,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 1040 states and 1345 transitions. [2018-10-26 22:16:35,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1345 transitions. [2018-10-26 22:16:35,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-26 22:16:35,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:35,667 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 22:16:36,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:36,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1041 states and 1346 transitions. [2018-10-26 22:16:36,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1346 transitions. [2018-10-26 22:16:36,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-26 22:16:36,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:36,781 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 22:16:38,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:38,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1050 states and 1363 transitions. [2018-10-26 22:16:38,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1363 transitions. [2018-10-26 22:16:38,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 22:16:38,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:39,409 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:16:40,097 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-10-26 22:16:42,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:42,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1097 states and 1414 transitions. [2018-10-26 22:16:42,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1414 transitions. [2018-10-26 22:16:42,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 22:16:42,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:43,070 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:16:43,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:43,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1121 states and 1437 transitions. [2018-10-26 22:16:43,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1437 transitions. [2018-10-26 22:16:43,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-26 22:16:43,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:43,762 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 22:16:44,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:44,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1122 states and 1437 transitions. [2018-10-26 22:16:44,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1437 transitions. [2018-10-26 22:16:44,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-26 22:16:44,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:44,545 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 22:16:44,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:44,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1126 states and 1445 transitions. [2018-10-26 22:16:44,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1445 transitions. [2018-10-26 22:16:44,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-26 22:16:44,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:45,041 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 22:16:45,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:45,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1129 states and 1446 transitions. [2018-10-26 22:16:45,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1446 transitions. [2018-10-26 22:16:45,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-26 22:16:45,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:45,562 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 22:16:45,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:45,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1130 states and 1446 transitions. [2018-10-26 22:16:45,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1446 transitions. [2018-10-26 22:16:45,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-26 22:16:45,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:46,028 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:16:46,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:46,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 1131 states and 1448 transitions. [2018-10-26 22:16:46,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1448 transitions. [2018-10-26 22:16:46,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-26 22:16:46,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:47,244 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 94 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:16:53,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:53,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1181 states and 1512 transitions. [2018-10-26 22:16:53,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1512 transitions. [2018-10-26 22:16:53,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-26 22:16:53,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:54,006 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 94 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:16:54,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:54,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1182 states and 1512 transitions. [2018-10-26 22:16:54,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1512 transitions. [2018-10-26 22:16:54,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-26 22:16:54,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:54,592 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 94 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:16:55,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:55,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1186 states and 1516 transitions. [2018-10-26 22:16:55,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1516 transitions. [2018-10-26 22:16:55,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 22:16:55,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:55,523 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 22:16:56,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:56,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1244 states and 1577 transitions. [2018-10-26 22:16:56,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1577 transitions. [2018-10-26 22:16:56,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 22:16:56,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:56,801 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 22:16:57,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:57,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1245 states and 1578 transitions. [2018-10-26 22:16:57,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1578 transitions. [2018-10-26 22:16:57,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-10-26 22:16:57,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:58,471 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 131 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 22:17:00,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:00,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1590 states to 1256 states and 1590 transitions. [2018-10-26 22:17:00,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1590 transitions. [2018-10-26 22:17:00,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-10-26 22:17:00,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:00,874 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 131 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 22:17:01,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:01,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1258 states and 1591 transitions. [2018-10-26 22:17:01,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1591 transitions. [2018-10-26 22:17:01,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-10-26 22:17:01,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:01,432 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 131 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 22:17:02,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:02,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1263 states and 1597 transitions. [2018-10-26 22:17:02,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1597 transitions. [2018-10-26 22:17:02,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-10-26 22:17:02,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:02,301 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 22:17:03,215 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 26 [2018-10-26 22:17:05,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:05,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1330 states and 1679 transitions. [2018-10-26 22:17:05,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1679 transitions. [2018-10-26 22:17:05,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-10-26 22:17:05,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:06,069 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 22:17:06,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:06,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 1335 states and 1685 transitions. [2018-10-26 22:17:06,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1685 transitions. [2018-10-26 22:17:06,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-10-26 22:17:06,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:06,791 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 22:17:07,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:07,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 1336 states and 1685 transitions. [2018-10-26 22:17:07,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1685 transitions. [2018-10-26 22:17:07,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-26 22:17:07,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:08,336 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 101 proven. 26 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:17:11,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:11,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1361 states and 1720 transitions. [2018-10-26 22:17:11,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1720 transitions. [2018-10-26 22:17:11,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-26 22:17:11,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:11,938 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 101 proven. 26 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:17:13,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:13,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1371 states and 1734 transitions. [2018-10-26 22:17:13,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1734 transitions. [2018-10-26 22:17:13,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-26 22:17:13,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:13,591 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 22:17:15,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:15,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1394 states and 1763 transitions. [2018-10-26 22:17:15,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1763 transitions. [2018-10-26 22:17:15,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-10-26 22:17:15,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:15,413 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-26 22:17:15,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:15,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1782 states to 1413 states and 1782 transitions. [2018-10-26 22:17:15,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 1782 transitions. [2018-10-26 22:17:15,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-26 22:17:15,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:15,951 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 22:17:16,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:16,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1414 states and 1783 transitions. [2018-10-26 22:17:16,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1783 transitions. [2018-10-26 22:17:16,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-26 22:17:16,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:16,280 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 22:17:16,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:16,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1785 states to 1415 states and 1785 transitions. [2018-10-26 22:17:16,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 1785 transitions. [2018-10-26 22:17:16,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-26 22:17:16,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:16,768 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 22:17:17,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:17,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 1416 states and 1787 transitions. [2018-10-26 22:17:17,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1787 transitions. [2018-10-26 22:17:17,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-26 22:17:17,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:17,358 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 106 proven. 36 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:17:18,712 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-10-26 22:17:19,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:19,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1422 states and 1795 transitions. [2018-10-26 22:17:19,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1795 transitions. [2018-10-26 22:17:19,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-26 22:17:19,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:20,839 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:17:23,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:23,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 1436 states and 1814 transitions. [2018-10-26 22:17:23,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 1814 transitions. [2018-10-26 22:17:23,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-26 22:17:23,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:23,594 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:17:24,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:24,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1437 states and 1816 transitions. [2018-10-26 22:17:24,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 1816 transitions. [2018-10-26 22:17:24,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-26 22:17:24,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:24,419 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:17:25,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:25,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1457 states and 1836 transitions. [2018-10-26 22:17:25,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 1836 transitions. [2018-10-26 22:17:25,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-10-26 22:17:25,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:27,234 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 22:17:31,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:31,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1497 states and 1882 transitions. [2018-10-26 22:17:31,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 1882 transitions. [2018-10-26 22:17:31,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-10-26 22:17:31,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:31,647 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 22:17:32,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:32,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1904 states to 1517 states and 1904 transitions. [2018-10-26 22:17:32,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 1904 transitions. [2018-10-26 22:17:32,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-26 22:17:32,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:32,886 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-10-26 22:17:33,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:33,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 1522 states and 1910 transitions. [2018-10-26 22:17:33,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1522 states and 1910 transitions. [2018-10-26 22:17:33,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-26 22:17:33,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:33,527 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 191 proven. 5 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 22:17:34,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:34,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1523 states and 1911 transitions. [2018-10-26 22:17:34,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1911 transitions. [2018-10-26 22:17:34,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-26 22:17:34,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:34,529 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 113 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 22:17:35,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:35,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1525 states and 1913 transitions. [2018-10-26 22:17:35,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 1913 transitions. [2018-10-26 22:17:35,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 22:17:35,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:35,324 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:17:36,760 WARN L179 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2018-10-26 22:17:37,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:37,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1558 states and 1947 transitions. [2018-10-26 22:17:37,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 1947 transitions. [2018-10-26 22:17:37,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 22:17:37,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:37,700 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:17:39,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:39,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1564 states and 1951 transitions. [2018-10-26 22:17:39,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 1951 transitions. [2018-10-26 22:17:39,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-26 22:17:39,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:41,312 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 165 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:17:42,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:42,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1565 states and 1952 transitions. [2018-10-26 22:17:42,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 1952 transitions. [2018-10-26 22:17:42,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 22:17:42,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:44,363 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 187 proven. 41 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 22:17:51,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:51,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2018 states to 1618 states and 2018 transitions. [2018-10-26 22:17:51,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1618 states and 2018 transitions. [2018-10-26 22:17:51,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 22:17:51,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:52,166 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 187 proven. 41 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 22:17:54,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:54,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2031 states to 1633 states and 2031 transitions. [2018-10-26 22:17:54,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1633 states and 2031 transitions. [2018-10-26 22:17:54,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 22:17:54,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:54,985 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 26 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:17:59,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:17:59,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 1707 states and 2117 transitions. [2018-10-26 22:17:59,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2117 transitions. [2018-10-26 22:17:59,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 22:17:59,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:17:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:59,605 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 26 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:17:59,887 WARN L179 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 22:18:00,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:18:00,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 1709 states and 2119 transitions. [2018-10-26 22:18:00,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 2119 transitions. [2018-10-26 22:18:00,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-26 22:18:00,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:18:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:18:01,898 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 32 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:18:12,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:18:12,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 1770 states and 2197 transitions. [2018-10-26 22:18:12,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2197 transitions. [2018-10-26 22:18:12,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-26 22:18:12,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:18:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:18:13,325 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 32 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:18:17,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:18:17,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2238 states to 1810 states and 2238 transitions. [2018-10-26 22:18:17,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 2238 transitions. [2018-10-26 22:18:17,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-26 22:18:17,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:18:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:18:18,201 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 32 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:18:18,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:18:18,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 1815 states and 2242 transitions. [2018-10-26 22:18:18,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2242 transitions. [2018-10-26 22:18:18,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-26 22:18:18,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:18:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:18:19,195 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 32 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:18:21,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:18:21,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2250 states to 1824 states and 2250 transitions. [2018-10-26 22:18:21,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1824 states and 2250 transitions. [2018-10-26 22:18:21,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-26 22:18:21,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:18:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:18:21,127 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-10-26 22:18:23,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:18:23,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2267 states to 1839 states and 2267 transitions. [2018-10-26 22:18:23,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2267 transitions. [2018-10-26 22:18:23,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-26 22:18:23,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:18:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:18:25,131 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 161 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:18:29,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:18:29,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 1861 states and 2295 transitions. [2018-10-26 22:18:29,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1861 states and 2295 transitions. [2018-10-26 22:18:29,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-26 22:18:29,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:18:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:18:29,777 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 161 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:18:31,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:18:31,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2308 states to 1875 states and 2308 transitions. [2018-10-26 22:18:31,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2308 transitions. [2018-10-26 22:18:31,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 22:18:31,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:18:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:18:34,085 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 22:18:36,253 WARN L179 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2018-10-26 22:18:37,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:18:37,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2321 states to 1886 states and 2321 transitions. [2018-10-26 22:18:37,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 2321 transitions. [2018-10-26 22:18:37,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 22:18:37,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:18:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:18:38,022 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 22:18:41,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:18:41,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2359 states to 1923 states and 2359 transitions. [2018-10-26 22:18:41,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2359 transitions. [2018-10-26 22:18:41,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 22:18:41,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:18:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:18:42,480 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 199 proven. 42 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 22:18:49,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:18:49,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2399 states to 1954 states and 2399 transitions. [2018-10-26 22:18:49,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2399 transitions. [2018-10-26 22:18:49,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-26 22:18:49,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:18:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:18:50,095 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 206 proven. 34 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 22:18:51,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:18:51,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 1959 states and 2406 transitions. [2018-10-26 22:18:51,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states and 2406 transitions. [2018-10-26 22:18:51,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-26 22:18:51,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:18:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:18:51,519 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 22:18:54,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:18:54,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 1965 states and 2415 transitions. [2018-10-26 22:18:54,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 2415 transitions. [2018-10-26 22:18:54,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-26 22:18:54,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:18:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:18:54,094 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 22:18:54,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:18:54,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 1967 states and 2416 transitions. [2018-10-26 22:18:54,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1967 states and 2416 transitions. [2018-10-26 22:18:54,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-26 22:18:54,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:18:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:18:54,489 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 22:18:56,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:18:56,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 1971 states and 2419 transitions. [2018-10-26 22:18:56,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1971 states and 2419 transitions. [2018-10-26 22:18:56,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-26 22:18:56,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:18:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:18:56,419 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 157 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:18:57,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:18:57,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2432 states to 1984 states and 2432 transitions. [2018-10-26 22:18:57,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1984 states and 2432 transitions. [2018-10-26 22:18:57,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-26 22:18:57,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:18:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:18:57,491 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 157 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:18:58,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:18:58,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2436 states to 1988 states and 2436 transitions. [2018-10-26 22:18:58,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 2436 transitions. [2018-10-26 22:18:58,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-10-26 22:18:58,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:18:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:18:59,003 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 173 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:19:03,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:03,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2466 states to 2016 states and 2466 transitions. [2018-10-26 22:19:03,075 INFO L276 IsEmpty]: Start isEmpty. Operand 2016 states and 2466 transitions. [2018-10-26 22:19:03,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-10-26 22:19:03,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:03,757 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 173 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:19:05,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:05,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2022 states and 2475 transitions. [2018-10-26 22:19:05,173 INFO L276 IsEmpty]: Start isEmpty. Operand 2022 states and 2475 transitions. [2018-10-26 22:19:05,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-10-26 22:19:05,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:05,783 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 173 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:19:07,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:07,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2038 states and 2493 transitions. [2018-10-26 22:19:07,863 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 2493 transitions. [2018-10-26 22:19:07,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-10-26 22:19:07,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:07,942 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-10-26 22:19:09,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:09,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2568 states to 2109 states and 2568 transitions. [2018-10-26 22:19:09,861 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2568 transitions. [2018-10-26 22:19:09,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-10-26 22:19:09,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:11,494 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 61 proven. 148 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:19:17,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:17,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 2184 states and 2654 transitions. [2018-10-26 22:19:17,240 INFO L276 IsEmpty]: Start isEmpty. Operand 2184 states and 2654 transitions. [2018-10-26 22:19:17,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-26 22:19:17,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:17,331 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-26 22:19:17,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:17,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2655 states to 2186 states and 2655 transitions. [2018-10-26 22:19:17,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 2655 transitions. [2018-10-26 22:19:17,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-10-26 22:19:17,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:17,778 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-10-26 22:19:21,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:21,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2214 states and 2689 transitions. [2018-10-26 22:19:21,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 2689 transitions. [2018-10-26 22:19:21,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-10-26 22:19:21,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:21,099 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-10-26 22:19:21,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:21,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2215 states and 2692 transitions. [2018-10-26 22:19:21,837 INFO L276 IsEmpty]: Start isEmpty. Operand 2215 states and 2692 transitions. [2018-10-26 22:19:21,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-10-26 22:19:21,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:21,901 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-10-26 22:19:25,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:25,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 2241 states and 2728 transitions. [2018-10-26 22:19:25,940 INFO L276 IsEmpty]: Start isEmpty. Operand 2241 states and 2728 transitions. [2018-10-26 22:19:25,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-10-26 22:19:25,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:28,578 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-10-26 22:19:30,439 WARN L179 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-10-26 22:19:33,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:33,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2757 states to 2269 states and 2757 transitions. [2018-10-26 22:19:33,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2269 states and 2757 transitions. [2018-10-26 22:19:33,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-10-26 22:19:33,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:33,428 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-10-26 22:19:37,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:37,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2301 states and 2788 transitions. [2018-10-26 22:19:37,467 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 2788 transitions. [2018-10-26 22:19:37,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-26 22:19:37,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:37,570 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-10-26 22:19:39,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:39,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2795 states to 2308 states and 2795 transitions. [2018-10-26 22:19:39,934 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 2795 transitions. [2018-10-26 22:19:39,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-26 22:19:39,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:40,338 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-10-26 22:19:40,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:40,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2795 states to 2309 states and 2795 transitions. [2018-10-26 22:19:40,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 2795 transitions. [2018-10-26 22:19:40,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-26 22:19:40,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:40,887 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-10-26 22:19:41,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:41,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2313 states and 2799 transitions. [2018-10-26 22:19:41,638 INFO L276 IsEmpty]: Start isEmpty. Operand 2313 states and 2799 transitions. [2018-10-26 22:19:41,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-26 22:19:41,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:41,747 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-10-26 22:19:42,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:42,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2800 states to 2315 states and 2800 transitions. [2018-10-26 22:19:42,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2315 states and 2800 transitions. [2018-10-26 22:19:42,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-26 22:19:42,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:42,445 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-10-26 22:19:43,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:43,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2800 states to 2316 states and 2800 transitions. [2018-10-26 22:19:43,164 INFO L276 IsEmpty]: Start isEmpty. Operand 2316 states and 2800 transitions. [2018-10-26 22:19:43,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-26 22:19:43,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:43,267 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-10-26 22:19:43,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:43,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 2318 states and 2804 transitions. [2018-10-26 22:19:43,836 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2804 transitions. [2018-10-26 22:19:43,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-26 22:19:43,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:43,944 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-10-26 22:19:45,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:45,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 2334 states and 2820 transitions. [2018-10-26 22:19:45,381 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 2820 transitions. [2018-10-26 22:19:45,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-26 22:19:45,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:46,105 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 19 proven. 308 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-26 22:20:01,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:20:01,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 2463 states and 3000 transitions. [2018-10-26 22:20:01,986 INFO L276 IsEmpty]: Start isEmpty. Operand 2463 states and 3000 transitions. [2018-10-26 22:20:01,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-26 22:20:01,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:20:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:20:02,462 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 118 proven. 222 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-10-26 22:20:04,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:20:04,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3015 states to 2473 states and 3015 transitions. [2018-10-26 22:20:04,245 INFO L276 IsEmpty]: Start isEmpty. Operand 2473 states and 3015 transitions. [2018-10-26 22:20:04,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-26 22:20:04,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:20:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:20:04,404 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 118 proven. 222 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-10-26 22:20:05,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:20:05,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3082 states to 2539 states and 3082 transitions. [2018-10-26 22:20:05,933 INFO L276 IsEmpty]: Start isEmpty. Operand 2539 states and 3082 transitions. [2018-10-26 22:20:05,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-26 22:20:05,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:20:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:20:06,107 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 118 proven. 222 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-10-26 22:20:06,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:20:06,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3084 states to 2542 states and 3084 transitions. [2018-10-26 22:20:06,866 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 3084 transitions. [2018-10-26 22:20:06,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-10-26 22:20:06,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:20:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:20:06,969 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-10-26 22:20:08,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:20:08,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 2559 states and 3106 transitions. [2018-10-26 22:20:08,540 INFO L276 IsEmpty]: Start isEmpty. Operand 2559 states and 3106 transitions. [2018-10-26 22:20:08,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-10-26 22:20:08,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:20:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:20:08,634 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-10-26 22:20:12,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:20:12,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3144 states to 2594 states and 3144 transitions. [2018-10-26 22:20:12,119 INFO L276 IsEmpty]: Start isEmpty. Operand 2594 states and 3144 transitions. [2018-10-26 22:20:12,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-10-26 22:20:12,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:20:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:20:12,882 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 262 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-10-26 22:20:19,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:20:19,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3288 states to 2731 states and 3288 transitions. [2018-10-26 22:20:19,885 INFO L276 IsEmpty]: Start isEmpty. Operand 2731 states and 3288 transitions. [2018-10-26 22:20:19,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-10-26 22:20:19,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:20:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:20:20,497 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 459 proven. 5 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-10-26 22:20:21,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:20:21,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3290 states to 2732 states and 3290 transitions. [2018-10-26 22:20:21,619 INFO L276 IsEmpty]: Start isEmpty. Operand 2732 states and 3290 transitions. [2018-10-26 22:20:21,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-10-26 22:20:21,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:20:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:20:21,743 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 459 proven. 5 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-10-26 22:20:22,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:20:22,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3292 states to 2733 states and 3292 transitions. [2018-10-26 22:20:22,392 INFO L276 IsEmpty]: Start isEmpty. Operand 2733 states and 3292 transitions. [2018-10-26 22:20:22,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-10-26 22:20:22,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:20:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:20:23,669 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 318 proven. 140 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 22:20:29,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:20:29,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3354 states to 2791 states and 3354 transitions. [2018-10-26 22:20:29,944 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3354 transitions. [2018-10-26 22:20:29,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-10-26 22:20:29,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:20:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:20:30,163 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 451 proven. 8 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-10-26 22:20:31,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:20:31,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3361 states to 2796 states and 3361 transitions. [2018-10-26 22:20:31,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 3361 transitions. [2018-10-26 22:20:31,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-10-26 22:20:31,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:20:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:20:31,649 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 451 proven. 8 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-10-26 22:20:32,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:20:32,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3362 states to 2797 states and 3362 transitions. [2018-10-26 22:20:32,467 INFO L276 IsEmpty]: Start isEmpty. Operand 2797 states and 3362 transitions. [2018-10-26 22:20:32,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-10-26 22:20:32,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:20:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:20:32,604 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 334 proven. 5 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2018-10-26 22:20:33,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:20:33,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3293 states to 2729 states and 3293 transitions. [2018-10-26 22:20:33,077 INFO L276 IsEmpty]: Start isEmpty. Operand 2729 states and 3293 transitions. [2018-10-26 22:20:33,078 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:20:33,079 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 171 iterations. [2018-10-26 22:20:33,087 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 22:20:33,458 WARN L179 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 40 [2018-10-26 22:20:33,891 WARN L179 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 40 [2018-10-26 22:20:34,053 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 18 [2018-10-26 22:20:34,184 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 40 [2018-10-26 22:20:34,331 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 18 [2018-10-26 22:20:34,520 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2018-10-26 22:20:34,681 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2018-10-26 22:20:34,836 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 18 [2018-10-26 22:20:34,997 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 18 [2018-10-26 22:20:35,241 WARN L179 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 18 [2018-10-26 22:20:35,417 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 18 [2018-10-26 22:20:35,593 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 40 [2018-10-26 22:20:35,735 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 18 [2018-10-26 22:20:36,007 WARN L179 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2018-10-26 22:20:36,291 WARN L179 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 18 [2018-10-26 22:20:36,580 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 40 [2018-10-26 22:20:36,854 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 18 [2018-10-26 22:20:36,969 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 40 [2018-10-26 22:20:37,113 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2018-10-26 22:20:37,316 WARN L179 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 40 [2018-10-26 22:20:37,494 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 40 [2018-10-26 22:20:37,606 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 40 [2018-10-26 22:20:37,715 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 40 [2018-10-26 22:20:37,922 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 40 [2018-10-26 22:20:38,085 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 40 [2018-10-26 22:20:38,231 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 18 [2018-10-26 22:20:38,340 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 40 [2018-10-26 22:20:38,678 WARN L179 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 40 [2018-10-26 22:20:38,877 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 18 [2018-10-26 22:20:39,181 WARN L179 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 40 [2018-10-26 22:20:39,427 WARN L179 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 40 [2018-10-26 22:20:39,624 WARN L179 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 40 [2018-10-26 22:20:39,905 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 18 [2018-10-26 22:20:40,074 WARN L179 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 40 [2018-10-26 22:20:40,262 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 40 [2018-10-26 22:20:40,501 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 40 [2018-10-26 22:20:40,708 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 40 [2018-10-26 22:20:40,879 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 18 [2018-10-26 22:20:41,260 WARN L179 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 56 [2018-10-26 22:20:41,538 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 40 [2018-10-26 22:20:41,677 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 40 [2018-10-26 22:20:41,850 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 18 [2018-10-26 22:20:42,063 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 18 [2018-10-26 22:20:42,205 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2018-10-26 22:20:42,380 WARN L179 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 40 [2018-10-26 22:20:42,521 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 18 [2018-10-26 22:20:42,521 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:20:42,523 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-10-26 22:20:42,818 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-10-26 22:20:42,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:20:42 ImpRootNode [2018-10-26 22:20:42,819 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:20:42,819 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:20:42,819 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:20:42,820 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:20:42,820 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:15:21" (3/4) ... [2018-10-26 22:20:42,824 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:20:42,841 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-10-26 22:20:42,842 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-10-26 22:20:42,844 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-10-26 22:20:42,845 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 22:20:43,001 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a6db7792-2b79-4dcd-b137-4789a44b452b/bin-2019/ukojak/witness.graphml [2018-10-26 22:20:43,001 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:20:43,002 INFO L168 Benchmark]: Toolchain (without parser) took 327020.76 ms. Allocated memory was 1.0 GB in the beginning and 4.8 GB in the end (delta: 3.8 GB). Free memory was 956.4 MB in the beginning and 4.3 GB in the end (delta: -3.3 GB). Peak memory consumption was 445.6 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:43,003 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:20:43,003 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.27 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 926.9 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:43,003 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 926.9 MB in the beginning and 1.2 GB in the end (delta: -227.0 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:43,006 INFO L168 Benchmark]: Boogie Preprocessor took 67.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:43,006 INFO L168 Benchmark]: RCFGBuilder took 4833.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 919.9 MB in the end (delta: 225.9 MB). Peak memory consumption was 225.9 MB. Max. memory is 11.5 GB. [2018-10-26 22:20:43,007 INFO L168 Benchmark]: CodeCheck took 321169.19 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 919.9 MB in the beginning and 4.3 GB in the end (delta: -3.4 GB). Peak memory consumption was 3.6 GB. Max. memory is 11.5 GB. [2018-10-26 22:20:43,008 INFO L168 Benchmark]: Witness Printer took 182.14 ms. Allocated memory is still 4.8 GB. Free memory is still 4.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:20:43,010 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, 199 locations, 1 error locations. SAFE Result, 311.3s OverallTime, 171 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 889276436 SDtfs, 2086190674 SDslu, -960658200 SDs, 0 SdLazy, -943475730 SolverSat, -1255840568 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1183.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 183659 GetRequests, 175708 SyntacticMatches, 6103 SemanticMatches, 1848 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2486096 ImplicationChecksByTransitivity, 277.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.8s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 43.4s InterpolantComputationTime, 27568 NumberOfCodeBlocks, 27568 NumberOfCodeBlocksAsserted, 170 NumberOfCheckSat, 27398 ConstructedInterpolants, 0 QuantifiedInterpolants, 28794758 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 170 InterpolantComputations, 119 PerfectInterpolantSequences, 23320/25539 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: 482]: 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: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((!(a16 == 5) || a7 == 1) || !(a17 == 1)) || !(a20 == 1)) || !(a8 == 13) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((!(a17 == 1) || !(a16 == 5)) || a7 == 1) || !(a20 == 1)) || !(a8 == 13) * 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 595.27 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 926.9 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 168.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 926.9 MB in the beginning and 1.2 GB in the end (delta: -227.0 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4833.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 919.9 MB in the end (delta: 225.9 MB). Peak memory consumption was 225.9 MB. Max. memory is 11.5 GB. * CodeCheck took 321169.19 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 919.9 MB in the beginning and 4.3 GB in the end (delta: -3.4 GB). Peak memory consumption was 3.6 GB. Max. memory is 11.5 GB. * Witness Printer took 182.14 ms. Allocated memory is still 4.8 GB. Free memory is still 4.3 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...