./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label19_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_91473dda-aefb-45cb-add0-1192a6449a83/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_91473dda-aefb-45cb-add0-1192a6449a83/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_91473dda-aefb-45cb-add0-1192a6449a83/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_91473dda-aefb-45cb-add0-1192a6449a83/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label19_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_91473dda-aefb-45cb-add0-1192a6449a83/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_91473dda-aefb-45cb-add0-1192a6449a83/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 1dbe756481135ac1d54a76a4eed07fd2745a9deb ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:07:17,425 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:07:17,426 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:07:17,433 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:07:17,433 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:07:17,434 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:07:17,435 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:07:17,436 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:07:17,437 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:07:17,437 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:07:17,438 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:07:17,438 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:07:17,439 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:07:17,439 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:07:17,440 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:07:17,440 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:07:17,441 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:07:17,442 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:07:17,443 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:07:17,444 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:07:17,445 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:07:17,446 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:07:17,447 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:07:17,447 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:07:17,448 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:07:17,448 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:07:17,449 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:07:17,449 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:07:17,449 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:07:17,450 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:07:17,450 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:07:17,451 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:07:17,451 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:07:17,451 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:07:17,452 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:07:17,452 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:07:17,453 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_91473dda-aefb-45cb-add0-1192a6449a83/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-22 23:07:17,460 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:07:17,460 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:07:17,460 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:07:17,461 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-22 23:07:17,461 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 23:07:17,461 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 23:07:17,461 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:07:17,461 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:07:17,461 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:07:17,461 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:07:17,461 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:07:17,462 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:07:17,462 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:07:17,462 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:07:17,462 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:07:17,462 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:07:17,462 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:07:17,462 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:07:17,462 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-22 23:07:17,462 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-22 23:07:17,462 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:07:17,463 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:07:17,463 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 23:07:17,463 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:07:17,463 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:07:17,463 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:07:17,463 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-22 23:07:17,463 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:07:17,464 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:07:17,464 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_91473dda-aefb-45cb-add0-1192a6449a83/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 -> 1dbe756481135ac1d54a76a4eed07fd2745a9deb [2018-11-22 23:07:17,488 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:07:17,497 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:07:17,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:07:17,501 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:07:17,501 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:07:17,502 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_91473dda-aefb-45cb-add0-1192a6449a83/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label19_true-unreach-call_false-termination.c [2018-11-22 23:07:17,542 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_91473dda-aefb-45cb-add0-1192a6449a83/bin-2019/ukojak/data/a4255a74b/6534ecd0ecec4c85a7b03f0ad66e9597/FLAGa956445a1 [2018-11-22 23:07:17,982 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:07:17,982 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_91473dda-aefb-45cb-add0-1192a6449a83/sv-benchmarks/c/eca-rers2012/Problem01_label19_true-unreach-call_false-termination.c [2018-11-22 23:07:17,991 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_91473dda-aefb-45cb-add0-1192a6449a83/bin-2019/ukojak/data/a4255a74b/6534ecd0ecec4c85a7b03f0ad66e9597/FLAGa956445a1 [2018-11-22 23:07:18,002 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_91473dda-aefb-45cb-add0-1192a6449a83/bin-2019/ukojak/data/a4255a74b/6534ecd0ecec4c85a7b03f0ad66e9597 [2018-11-22 23:07:18,004 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:07:18,005 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:07:18,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:07:18,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:07:18,009 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:07:18,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:07:18" (1/1) ... [2018-11-22 23:07:18,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fbeed0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:18, skipping insertion in model container [2018-11-22 23:07:18,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:07:18" (1/1) ... [2018-11-22 23:07:18,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:07:18,053 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:07:18,296 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:07:18,300 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:07:18,366 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:07:18,379 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:07:18,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:18 WrapperNode [2018-11-22 23:07:18,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:07:18,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:07:18,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:07:18,380 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:07:18,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:18" (1/1) ... [2018-11-22 23:07:18,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:18" (1/1) ... [2018-11-22 23:07:18,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:07:18,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:07:18,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:07:18,487 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:07:18,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:18" (1/1) ... [2018-11-22 23:07:18,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:18" (1/1) ... [2018-11-22 23:07:18,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:18" (1/1) ... [2018-11-22 23:07:18,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:18" (1/1) ... [2018-11-22 23:07:18,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:18" (1/1) ... [2018-11-22 23:07:18,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:18" (1/1) ... [2018-11-22 23:07:18,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:18" (1/1) ... [2018-11-22 23:07:18,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:07:18,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:07:18,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:07:18,529 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:07:18,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91473dda-aefb-45cb-add0-1192a6449a83/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 [2018-11-22 23:07:18,581 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-22 23:07:18,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:07:18,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:07:19,837 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:07:19,837 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-22 23:07:19,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:07:19 BoogieIcfgContainer [2018-11-22 23:07:19,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:07:19,838 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-22 23:07:19,838 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-22 23:07:19,846 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-22 23:07:19,846 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:07:19" (1/1) ... [2018-11-22 23:07:19,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:07:19,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:19,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-11-22 23:07:19,880 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-11-22 23:07:19,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-22 23:07:19,884 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:19,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:20,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:07:20,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:20,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 145 states and 244 transitions. [2018-11-22 23:07:20,502 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 244 transitions. [2018-11-22 23:07:20,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-22 23:07:20,505 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:20,586 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:07:20,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:20,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 146 states and 245 transitions. [2018-11-22 23:07:20,778 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 245 transitions. [2018-11-22 23:07:20,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-22 23:07:20,779 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:20,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:07:20,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:20,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 150 states and 253 transitions. [2018-11-22 23:07:20,881 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 253 transitions. [2018-11-22 23:07:20,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-22 23:07:20,886 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:20,955 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:07:21,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:21,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 154 states and 260 transitions. [2018-11-22 23:07:21,088 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 260 transitions. [2018-11-22 23:07:21,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-22 23:07:21,089 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:21,107 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:07:21,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:21,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 155 states and 261 transitions. [2018-11-22 23:07:21,138 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 261 transitions. [2018-11-22 23:07:21,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-22 23:07:21,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:21,167 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 23:07:21,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:21,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 166 states and 281 transitions. [2018-11-22 23:07:21,516 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 281 transitions. [2018-11-22 23:07:21,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-22 23:07:21,518 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:21,594 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:07:21,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:21,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 180 states and 300 transitions. [2018-11-22 23:07:21,985 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 300 transitions. [2018-11-22 23:07:21,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-22 23:07:21,986 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:22,068 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:07:22,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:22,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 195 states and 321 transitions. [2018-11-22 23:07:22,483 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 321 transitions. [2018-11-22 23:07:22,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-22 23:07:22,484 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:22,504 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:07:22,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:22,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 201 states and 329 transitions. [2018-11-22 23:07:22,795 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 329 transitions. [2018-11-22 23:07:22,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-22 23:07:22,795 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:22,816 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:07:22,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:22,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 205 states and 335 transitions. [2018-11-22 23:07:22,855 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 335 transitions. [2018-11-22 23:07:22,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-22 23:07:22,855 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:22,897 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:07:23,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:23,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 220 states and 360 transitions. [2018-11-22 23:07:23,448 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 360 transitions. [2018-11-22 23:07:23,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-22 23:07:23,449 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:23,480 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:07:23,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:23,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 221 states and 363 transitions. [2018-11-22 23:07:23,628 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 363 transitions. [2018-11-22 23:07:23,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-22 23:07:23,629 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:23,654 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:07:23,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:23,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 230 states and 371 transitions. [2018-11-22 23:07:23,951 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 371 transitions. [2018-11-22 23:07:23,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-22 23:07:23,952 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:24,029 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 23:07:24,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:24,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 244 states and 395 transitions. [2018-11-22 23:07:24,736 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 395 transitions. [2018-11-22 23:07:24,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-22 23:07:24,737 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:24,762 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 23:07:24,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:24,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 245 states and 398 transitions. [2018-11-22 23:07:24,970 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 398 transitions. [2018-11-22 23:07:24,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-22 23:07:24,970 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:24,991 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:07:25,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:25,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 254 states and 410 transitions. [2018-11-22 23:07:25,292 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 410 transitions. [2018-11-22 23:07:25,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-22 23:07:25,293 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:25,315 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 23:07:25,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:25,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 257 states and 414 transitions. [2018-11-22 23:07:25,459 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 414 transitions. [2018-11-22 23:07:25,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-22 23:07:25,460 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:25,481 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 23:07:25,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:25,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 258 states and 414 transitions. [2018-11-22 23:07:25,515 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 414 transitions. [2018-11-22 23:07:25,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-22 23:07:25,516 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:25,538 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:07:25,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:25,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 265 states and 422 transitions. [2018-11-22 23:07:25,619 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 422 transitions. [2018-11-22 23:07:25,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-22 23:07:25,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:25,723 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:07:26,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:26,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 292 states and 458 transitions. [2018-11-22 23:07:26,428 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 458 transitions. [2018-11-22 23:07:26,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-22 23:07:26,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:26,454 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 23:07:26,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:26,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 307 states and 479 transitions. [2018-11-22 23:07:26,999 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 479 transitions. [2018-11-22 23:07:26,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-22 23:07:26,999 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:27,020 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 23:07:27,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:27,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 308 states and 480 transitions. [2018-11-22 23:07:27,176 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 480 transitions. [2018-11-22 23:07:27,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-22 23:07:27,177 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:27,199 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:07:27,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:27,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 323 states and 499 transitions. [2018-11-22 23:07:27,706 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 499 transitions. [2018-11-22 23:07:27,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-22 23:07:27,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:27,724 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:07:27,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:27,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 326 states and 502 transitions. [2018-11-22 23:07:27,862 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 502 transitions. [2018-11-22 23:07:27,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-22 23:07:27,863 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:27,879 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:07:28,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:28,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 329 states and 505 transitions. [2018-11-22 23:07:28,037 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 505 transitions. [2018-11-22 23:07:28,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-22 23:07:28,038 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:28,055 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 23:07:28,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:28,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 331 states and 507 transitions. [2018-11-22 23:07:28,126 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 507 transitions. [2018-11-22 23:07:28,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-22 23:07:28,127 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:28,142 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-22 23:07:28,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:28,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 354 states and 535 transitions. [2018-11-22 23:07:28,867 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 535 transitions. [2018-11-22 23:07:28,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-22 23:07:28,868 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:28,947 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-22 23:07:30,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:30,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 446 states and 640 transitions. [2018-11-22 23:07:30,094 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 640 transitions. [2018-11-22 23:07:30,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-22 23:07:30,095 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:30,182 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-22 23:07:30,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:30,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 451 states and 646 transitions. [2018-11-22 23:07:30,510 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 646 transitions. [2018-11-22 23:07:30,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-22 23:07:30,511 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:30,535 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-22 23:07:30,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:30,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 458 states and 653 transitions. [2018-11-22 23:07:30,779 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 653 transitions. [2018-11-22 23:07:30,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-22 23:07:30,780 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:30,812 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-22 23:07:31,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:31,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 466 states and 660 transitions. [2018-11-22 23:07:31,086 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 660 transitions. [2018-11-22 23:07:31,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-22 23:07:31,087 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:31,116 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:07:31,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:31,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 470 states and 665 transitions. [2018-11-22 23:07:31,294 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 665 transitions. [2018-11-22 23:07:31,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-22 23:07:31,294 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:31,325 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-22 23:07:31,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:31,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 479 states and 676 transitions. [2018-11-22 23:07:31,537 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 676 transitions. [2018-11-22 23:07:31,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-22 23:07:31,538 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:31,565 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-22 23:07:31,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:31,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 487 states and 684 transitions. [2018-11-22 23:07:31,601 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 684 transitions. [2018-11-22 23:07:31,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-22 23:07:31,602 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:31,778 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-22 23:07:32,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:32,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 505 states and 712 transitions. [2018-11-22 23:07:32,331 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 712 transitions. [2018-11-22 23:07:32,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-22 23:07:32,332 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:32,391 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-22 23:07:32,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:32,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 525 states and 736 transitions. [2018-11-22 23:07:32,726 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 736 transitions. [2018-11-22 23:07:32,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-22 23:07:32,726 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:32,853 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-22 23:07:33,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:33,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 548 states and 773 transitions. [2018-11-22 23:07:33,645 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 773 transitions. [2018-11-22 23:07:33,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-22 23:07:33,645 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:33,738 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-22 23:07:34,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:34,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 559 states and 786 transitions. [2018-11-22 23:07:34,080 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 786 transitions. [2018-11-22 23:07:34,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-22 23:07:34,080 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:34,115 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:07:34,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:34,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 582 states and 810 transitions. [2018-11-22 23:07:34,312 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 810 transitions. [2018-11-22 23:07:34,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-22 23:07:34,313 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:34,344 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-22 23:07:34,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:34,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 591 states and 821 transitions. [2018-11-22 23:07:34,595 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 821 transitions. [2018-11-22 23:07:34,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-22 23:07:34,595 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:34,616 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-22 23:07:34,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:34,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 598 states and 827 transitions. [2018-11-22 23:07:34,789 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 827 transitions. [2018-11-22 23:07:34,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-22 23:07:34,790 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:34,808 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-22 23:07:34,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:34,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 613 states and 841 transitions. [2018-11-22 23:07:34,992 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 841 transitions. [2018-11-22 23:07:34,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-22 23:07:34,993 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:35,014 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-22 23:07:36,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:36,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 654 states and 894 transitions. [2018-11-22 23:07:36,379 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 894 transitions. [2018-11-22 23:07:36,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-22 23:07:36,380 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:36,420 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-22 23:07:36,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:36,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 665 states and 905 transitions. [2018-11-22 23:07:36,721 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 905 transitions. [2018-11-22 23:07:36,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-22 23:07:36,722 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:36,743 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-22 23:07:36,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:36,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 666 states and 905 transitions. [2018-11-22 23:07:36,912 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 905 transitions. [2018-11-22 23:07:36,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-22 23:07:36,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:36,990 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-22 23:07:37,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:37,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 671 states and 913 transitions. [2018-11-22 23:07:37,142 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 913 transitions. [2018-11-22 23:07:37,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-22 23:07:37,143 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:37,191 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:07:37,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:37,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 697 states and 941 transitions. [2018-11-22 23:07:37,976 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 941 transitions. [2018-11-22 23:07:37,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-22 23:07:37,977 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:37,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:37,995 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-22 23:07:38,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:38,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 708 states and 956 transitions. [2018-11-22 23:07:38,114 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 956 transitions. [2018-11-22 23:07:38,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-22 23:07:38,115 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:38,140 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-22 23:07:38,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:38,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 723 states and 972 transitions. [2018-11-22 23:07:38,510 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 972 transitions. [2018-11-22 23:07:38,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-22 23:07:38,511 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:38,535 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-22 23:07:38,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:38,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 725 states and 974 transitions. [2018-11-22 23:07:38,705 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 974 transitions. [2018-11-22 23:07:38,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-22 23:07:38,706 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:38,733 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-22 23:07:38,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:38,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 740 states and 988 transitions. [2018-11-22 23:07:38,925 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 988 transitions. [2018-11-22 23:07:38,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-22 23:07:38,926 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:38,949 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 23:07:39,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:39,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 760 states and 1009 transitions. [2018-11-22 23:07:39,169 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1009 transitions. [2018-11-22 23:07:39,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-22 23:07:39,170 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:39,193 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 23:07:39,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:39,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 763 states and 1013 transitions. [2018-11-22 23:07:39,369 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1013 transitions. [2018-11-22 23:07:39,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-22 23:07:39,370 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:39,465 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-22 23:07:40,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:40,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 775 states and 1033 transitions. [2018-11-22 23:07:40,172 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1033 transitions. [2018-11-22 23:07:40,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-22 23:07:40,173 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:40,191 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-22 23:07:40,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:40,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 793 states and 1053 transitions. [2018-11-22 23:07:40,449 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1053 transitions. [2018-11-22 23:07:40,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-22 23:07:40,450 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:40,516 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-22 23:07:41,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:41,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 804 states and 1065 transitions. [2018-11-22 23:07:41,052 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1065 transitions. [2018-11-22 23:07:41,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-22 23:07:41,053 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:41,142 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-22 23:07:41,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:41,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 821 states and 1083 transitions. [2018-11-22 23:07:41,505 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1083 transitions. [2018-11-22 23:07:41,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-22 23:07:41,505 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:41,528 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-22 23:07:42,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:42,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 849 states and 1113 transitions. [2018-11-22 23:07:42,206 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1113 transitions. [2018-11-22 23:07:42,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-22 23:07:42,207 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:42,234 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-22 23:07:42,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:42,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 853 states and 1120 transitions. [2018-11-22 23:07:42,419 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1120 transitions. [2018-11-22 23:07:42,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-22 23:07:42,420 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:42,515 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-22 23:07:43,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:43,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 881 states and 1153 transitions. [2018-11-22 23:07:43,656 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1153 transitions. [2018-11-22 23:07:43,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-22 23:07:43,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:43,686 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-22 23:07:44,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:44,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 902 states and 1178 transitions. [2018-11-22 23:07:44,215 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1178 transitions. [2018-11-22 23:07:44,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-22 23:07:44,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:44,253 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-22 23:07:44,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:44,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 936 states and 1214 transitions. [2018-11-22 23:07:44,518 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1214 transitions. [2018-11-22 23:07:44,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-22 23:07:44,519 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:44,555 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-22 23:07:44,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:44,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 940 states and 1218 transitions. [2018-11-22 23:07:44,757 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1218 transitions. [2018-11-22 23:07:44,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-22 23:07:44,757 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:44,779 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-22 23:07:45,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:45,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 960 states and 1247 transitions. [2018-11-22 23:07:45,707 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1247 transitions. [2018-11-22 23:07:45,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-22 23:07:45,708 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:45,728 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-22 23:07:46,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:46,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 978 states and 1268 transitions. [2018-11-22 23:07:46,227 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1268 transitions. [2018-11-22 23:07:46,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-22 23:07:46,228 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:46,249 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-22 23:07:46,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:46,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 983 states and 1273 transitions. [2018-11-22 23:07:46,437 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1273 transitions. [2018-11-22 23:07:46,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-22 23:07:46,438 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:46,464 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-22 23:07:46,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:46,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 986 states and 1276 transitions. [2018-11-22 23:07:46,495 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1276 transitions. [2018-11-22 23:07:46,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-22 23:07:46,496 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:46,525 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-22 23:07:46,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:46,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1011 states and 1299 transitions. [2018-11-22 23:07:46,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1299 transitions. [2018-11-22 23:07:46,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-22 23:07:46,869 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:46,893 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-22 23:07:47,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:47,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1039 states and 1327 transitions. [2018-11-22 23:07:47,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1327 transitions. [2018-11-22 23:07:47,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-22 23:07:47,331 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:47,358 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-22 23:07:47,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:47,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1043 states and 1332 transitions. [2018-11-22 23:07:47,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1332 transitions. [2018-11-22 23:07:47,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-22 23:07:47,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:47,573 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-22 23:07:49,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:49,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1085 states and 1380 transitions. [2018-11-22 23:07:49,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1380 transitions. [2018-11-22 23:07:49,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-22 23:07:49,364 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:49,669 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 109 proven. 10 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-22 23:07:51,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:51,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1163 states and 1463 transitions. [2018-11-22 23:07:51,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1463 transitions. [2018-11-22 23:07:51,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-22 23:07:51,545 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:52,199 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 161 proven. 8 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-22 23:07:54,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:54,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1198 states and 1507 transitions. [2018-11-22 23:07:54,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1507 transitions. [2018-11-22 23:07:54,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-22 23:07:54,387 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:54,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:54,412 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-22 23:07:54,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:54,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1200 states and 1509 transitions. [2018-11-22 23:07:54,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1509 transitions. [2018-11-22 23:07:54,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-22 23:07:54,451 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:54,609 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-22 23:07:56,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:56,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1234 states and 1554 transitions. [2018-11-22 23:07:56,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1554 transitions. [2018-11-22 23:07:56,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-22 23:07:56,033 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:56,074 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-22 23:07:57,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:57,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1271 states and 1602 transitions. [2018-11-22 23:07:57,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1602 transitions. [2018-11-22 23:07:57,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-22 23:07:57,135 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:57,175 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-22 23:07:57,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:07:57,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1281 states and 1611 transitions. [2018-11-22 23:07:57,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1611 transitions. [2018-11-22 23:07:57,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-22 23:07:57,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:07:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:58,698 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-22 23:08:00,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:00,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1333 states and 1665 transitions. [2018-11-22 23:08:00,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1665 transitions. [2018-11-22 23:08:00,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-22 23:08:00,939 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:00,979 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-22 23:08:01,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:01,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1339 states and 1671 transitions. [2018-11-22 23:08:01,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1671 transitions. [2018-11-22 23:08:01,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-22 23:08:01,588 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:01,647 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-22 23:08:02,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:02,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1375 states and 1709 transitions. [2018-11-22 23:08:02,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 1709 transitions. [2018-11-22 23:08:02,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-22 23:08:02,720 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:02,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:02,753 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-22 23:08:03,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:03,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1412 states and 1746 transitions. [2018-11-22 23:08:03,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 1746 transitions. [2018-11-22 23:08:03,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-22 23:08:03,190 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:03,223 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-22 23:08:03,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:03,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 1422 states and 1756 transitions. [2018-11-22 23:08:03,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1756 transitions. [2018-11-22 23:08:03,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-22 23:08:03,691 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:03,725 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-22 23:08:04,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:04,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 1433 states and 1767 transitions. [2018-11-22 23:08:04,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 1767 transitions. [2018-11-22 23:08:04,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-22 23:08:04,484 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:04,518 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-22 23:08:05,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:05,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1444 states and 1780 transitions. [2018-11-22 23:08:05,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 1780 transitions. [2018-11-22 23:08:05,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-22 23:08:05,355 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:05,392 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-22 23:08:05,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:05,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1786 states to 1448 states and 1786 transitions. [2018-11-22 23:08:05,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 1786 transitions. [2018-11-22 23:08:05,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-22 23:08:05,636 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:05,677 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-22 23:08:06,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:06,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 1452 states and 1791 transitions. [2018-11-22 23:08:06,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1791 transitions. [2018-11-22 23:08:06,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-22 23:08:06,092 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:06,123 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-22 23:08:07,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:07,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1826 states to 1478 states and 1826 transitions. [2018-11-22 23:08:07,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 1826 transitions. [2018-11-22 23:08:07,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-22 23:08:07,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:07,921 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-22 23:08:08,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:08,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1487 states and 1835 transitions. [2018-11-22 23:08:08,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 1835 transitions. [2018-11-22 23:08:08,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-22 23:08:08,203 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:08,243 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-22 23:08:08,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:08,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1488 states and 1835 transitions. [2018-11-22 23:08:08,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 1835 transitions. [2018-11-22 23:08:08,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-22 23:08:08,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:08,548 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-22 23:08:08,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:08,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1493 states and 1839 transitions. [2018-11-22 23:08:08,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 1839 transitions. [2018-11-22 23:08:08,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-22 23:08:08,588 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:08,669 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-22 23:08:09,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:09,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1510 states and 1857 transitions. [2018-11-22 23:08:09,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1857 transitions. [2018-11-22 23:08:09,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-22 23:08:09,435 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:09,464 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-22 23:08:09,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:09,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1512 states and 1859 transitions. [2018-11-22 23:08:09,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 1859 transitions. [2018-11-22 23:08:09,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-22 23:08:09,585 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:09,618 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-22 23:08:09,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:09,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1524 states and 1870 transitions. [2018-11-22 23:08:09,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1524 states and 1870 transitions. [2018-11-22 23:08:09,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-22 23:08:09,875 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:09,920 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-22 23:08:11,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:11,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1899 states to 1548 states and 1899 transitions. [2018-11-22 23:08:11,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 1899 transitions. [2018-11-22 23:08:11,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-22 23:08:11,391 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:11,433 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-22 23:08:12,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:12,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 1559 states and 1910 transitions. [2018-11-22 23:08:12,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 1910 transitions. [2018-11-22 23:08:12,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-22 23:08:12,126 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:12,220 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-22 23:08:13,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:13,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1926 states to 1574 states and 1926 transitions. [2018-11-22 23:08:13,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 1926 transitions. [2018-11-22 23:08:13,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-22 23:08:13,133 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:13,177 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-11-22 23:08:13,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:13,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1594 states and 1947 transitions. [2018-11-22 23:08:13,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 1947 transitions. [2018-11-22 23:08:13,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-22 23:08:13,855 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:13,890 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-11-22 23:08:14,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:14,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1600 states and 1955 transitions. [2018-11-22 23:08:14,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 1955 transitions. [2018-11-22 23:08:14,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-22 23:08:14,680 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:14,718 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-22 23:08:15,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:15,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1611 states and 1965 transitions. [2018-11-22 23:08:15,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1611 states and 1965 transitions. [2018-11-22 23:08:15,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-22 23:08:15,309 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:15,352 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-22 23:08:15,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:15,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1613 states and 1966 transitions. [2018-11-22 23:08:15,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1613 states and 1966 transitions. [2018-11-22 23:08:15,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-22 23:08:15,499 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:15,597 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-22 23:08:16,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:16,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1631 states and 1985 transitions. [2018-11-22 23:08:16,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 1985 transitions. [2018-11-22 23:08:16,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-22 23:08:16,733 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:18,252 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-22 23:08:23,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:23,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 1722 states and 2081 transitions. [2018-11-22 23:08:23,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 2081 transitions. [2018-11-22 23:08:23,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-22 23:08:23,312 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:23,438 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-22 23:08:24,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:24,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 1731 states and 2089 transitions. [2018-11-22 23:08:24,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2089 transitions. [2018-11-22 23:08:24,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-22 23:08:24,102 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:24,144 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 177 proven. 3 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-22 23:08:25,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:25,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 1760 states and 2122 transitions. [2018-11-22 23:08:25,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2122 transitions. [2018-11-22 23:08:25,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-22 23:08:25,401 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:25,445 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 177 proven. 3 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-22 23:08:26,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:26,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2162 states to 1800 states and 2162 transitions. [2018-11-22 23:08:26,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2162 transitions. [2018-11-22 23:08:26,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-22 23:08:26,806 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:26,849 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 177 proven. 3 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-22 23:08:27,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:27,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2162 states to 1801 states and 2162 transitions. [2018-11-22 23:08:27,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1801 states and 2162 transitions. [2018-11-22 23:08:27,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-22 23:08:27,163 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:27,215 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-22 23:08:27,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:27,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 1804 states and 2164 transitions. [2018-11-22 23:08:27,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2164 transitions. [2018-11-22 23:08:27,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-22 23:08:27,251 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:27,337 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-22 23:08:28,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:28,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 1891 states and 2264 transitions. [2018-11-22 23:08:28,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 2264 transitions. [2018-11-22 23:08:28,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-22 23:08:28,593 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:28,628 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-11-22 23:08:28,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:28,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 1895 states and 2269 transitions. [2018-11-22 23:08:28,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 2269 transitions. [2018-11-22 23:08:28,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-22 23:08:28,936 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:28,994 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2018-11-22 23:08:29,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:29,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 1899 states and 2272 transitions. [2018-11-22 23:08:29,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1899 states and 2272 transitions. [2018-11-22 23:08:29,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-22 23:08:29,353 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:29,407 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-22 23:08:30,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:30,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2300 states to 1918 states and 2300 transitions. [2018-11-22 23:08:30,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 2300 transitions. [2018-11-22 23:08:30,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-22 23:08:30,451 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:30,505 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-22 23:08:31,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:31,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 1928 states and 2312 transitions. [2018-11-22 23:08:31,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1928 states and 2312 transitions. [2018-11-22 23:08:31,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-22 23:08:31,186 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:31,239 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-22 23:08:31,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:31,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2320 states to 1936 states and 2320 transitions. [2018-11-22 23:08:31,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2320 transitions. [2018-11-22 23:08:31,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-22 23:08:31,593 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:31,655 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-11-22 23:08:31,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:31,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 1960 states and 2342 transitions. [2018-11-22 23:08:31,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2342 transitions. [2018-11-22 23:08:31,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-22 23:08:31,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:31,941 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-11-22 23:08:32,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:32,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2353 states to 1972 states and 2353 transitions. [2018-11-22 23:08:32,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 2353 transitions. [2018-11-22 23:08:32,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-22 23:08:32,162 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:32,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:32,225 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-11-22 23:08:32,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:32,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2357 states to 1977 states and 2357 transitions. [2018-11-22 23:08:32,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2357 transitions. [2018-11-22 23:08:32,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-22 23:08:32,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:32,347 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-11-22 23:08:32,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:32,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 1992 states and 2370 transitions. [2018-11-22 23:08:32,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 2370 transitions. [2018-11-22 23:08:32,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-11-22 23:08:32,641 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:32,706 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 432 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-11-22 23:08:33,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:33,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2374 states to 1996 states and 2374 transitions. [2018-11-22 23:08:33,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1996 states and 2374 transitions. [2018-11-22 23:08:33,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-11-22 23:08:33,052 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:34,636 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-11-22 23:08:37,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:37,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2408 states to 2027 states and 2408 transitions. [2018-11-22 23:08:37,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2027 states and 2408 transitions. [2018-11-22 23:08:37,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-11-22 23:08:37,957 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:38,106 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-11-22 23:08:39,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:39,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2428 states to 2047 states and 2428 transitions. [2018-11-22 23:08:39,289 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 2428 transitions. [2018-11-22 23:08:39,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-11-22 23:08:39,291 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:39,469 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-11-22 23:08:40,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:40,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2054 states and 2434 transitions. [2018-11-22 23:08:40,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2434 transitions. [2018-11-22 23:08:40,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-11-22 23:08:40,589 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:41,887 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-11-22 23:08:44,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:44,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 2078 states and 2461 transitions. [2018-11-22 23:08:44,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 2461 transitions. [2018-11-22 23:08:44,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-11-22 23:08:44,066 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:45,392 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-11-22 23:08:48,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:48,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2494 states to 2108 states and 2494 transitions. [2018-11-22 23:08:48,750 INFO L276 IsEmpty]: Start isEmpty. Operand 2108 states and 2494 transitions. [2018-11-22 23:08:48,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-11-22 23:08:48,751 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:48,897 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-11-22 23:08:49,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:49,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2504 states to 2119 states and 2504 transitions. [2018-11-22 23:08:49,764 INFO L276 IsEmpty]: Start isEmpty. Operand 2119 states and 2504 transitions. [2018-11-22 23:08:49,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-11-22 23:08:49,765 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:49,974 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-11-22 23:08:50,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:50,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 2121 states and 2506 transitions. [2018-11-22 23:08:50,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 2506 transitions. [2018-11-22 23:08:50,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-11-22 23:08:50,731 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:50,802 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2018-11-22 23:08:51,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:51,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 2131 states and 2516 transitions. [2018-11-22 23:08:51,942 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 2516 transitions. [2018-11-22 23:08:51,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-11-22 23:08:51,944 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:52,003 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-11-22 23:08:52,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:52,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2520 states to 2135 states and 2520 transitions. [2018-11-22 23:08:52,363 INFO L276 IsEmpty]: Start isEmpty. Operand 2135 states and 2520 transitions. [2018-11-22 23:08:52,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-11-22 23:08:52,366 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:53,037 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-22 23:08:56,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:56,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2580 states to 2181 states and 2580 transitions. [2018-11-22 23:08:56,136 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2580 transitions. [2018-11-22 23:08:56,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-11-22 23:08:56,138 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:56,314 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-22 23:08:57,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:57,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 2190 states and 2591 transitions. [2018-11-22 23:08:57,131 INFO L276 IsEmpty]: Start isEmpty. Operand 2190 states and 2591 transitions. [2018-11-22 23:08:57,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-11-22 23:08:57,132 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:57,194 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 453 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2018-11-22 23:08:57,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:57,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 2196 states and 2599 transitions. [2018-11-22 23:08:57,952 INFO L276 IsEmpty]: Start isEmpty. Operand 2196 states and 2599 transitions. [2018-11-22 23:08:57,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-11-22 23:08:57,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:58,104 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 453 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2018-11-22 23:08:58,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:58,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2614 states to 2212 states and 2614 transitions. [2018-11-22 23:08:58,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2212 states and 2614 transitions. [2018-11-22 23:08:58,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-11-22 23:08:58,799 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:58,883 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 473 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-11-22 23:08:59,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:08:59,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2635 states to 2233 states and 2635 transitions. [2018-11-22 23:08:59,627 INFO L276 IsEmpty]: Start isEmpty. Operand 2233 states and 2635 transitions. [2018-11-22 23:08:59,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-11-22 23:08:59,628 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:08:59,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:08:59,701 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 489 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-22 23:09:00,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:09:00,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2639 states to 2237 states and 2639 transitions. [2018-11-22 23:09:00,098 INFO L276 IsEmpty]: Start isEmpty. Operand 2237 states and 2639 transitions. [2018-11-22 23:09:00,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-22 23:09:00,099 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:09:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:09:00,173 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2018-11-22 23:09:02,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:09:02,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2304 states and 2706 transitions. [2018-11-22 23:09:02,623 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 2706 transitions. [2018-11-22 23:09:02,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-22 23:09:02,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:09:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:09:02,698 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2018-11-22 23:09:03,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:09:03,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2306 states and 2710 transitions. [2018-11-22 23:09:03,038 INFO L276 IsEmpty]: Start isEmpty. Operand 2306 states and 2710 transitions. [2018-11-22 23:09:03,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-11-22 23:09:03,039 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:09:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:09:04,107 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 550 proven. 39 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2018-11-22 23:09:07,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:09:07,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2745 states to 2336 states and 2745 transitions. [2018-11-22 23:09:07,366 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 2745 transitions. [2018-11-22 23:09:07,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-11-22 23:09:07,368 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:09:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:09:07,543 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 412 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-11-22 23:09:07,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:09:07,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2750 states to 2342 states and 2750 transitions. [2018-11-22 23:09:07,878 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states and 2750 transitions. [2018-11-22 23:09:07,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-11-22 23:09:07,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:09:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:09:10,058 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-22 23:09:20,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:09:20,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2953 states to 2514 states and 2953 transitions. [2018-11-22 23:09:20,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2514 states and 2953 transitions. [2018-11-22 23:09:20,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-11-22 23:09:20,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:09:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:09:20,410 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 375 proven. 2 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2018-11-22 23:09:23,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:09:23,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2943 states to 2499 states and 2943 transitions. [2018-11-22 23:09:23,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2499 states and 2943 transitions. [2018-11-22 23:09:23,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 23:09:23,730 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 140 iterations. [2018-11-22 23:09:23,737 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-22 23:09:23,847 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 10 [2018-11-22 23:09:24,044 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 10 [2018-11-22 23:09:24,341 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 10 [2018-11-22 23:09:24,574 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 10 [2018-11-22 23:09:24,715 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 10 [2018-11-22 23:09:24,863 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 10 [2018-11-22 23:09:25,185 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 10 [2018-11-22 23:09:25,363 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 10 [2018-11-22 23:09:25,497 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 10 [2018-11-22 23:09:25,826 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 10 [2018-11-22 23:09:26,100 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 10 [2018-11-22 23:09:26,996 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 10 [2018-11-22 23:09:27,294 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 10 [2018-11-22 23:09:27,394 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 10 [2018-11-22 23:09:28,168 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 10 [2018-11-22 23:09:28,277 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 10 [2018-11-22 23:09:28,601 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 10 [2018-11-22 23:09:28,747 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 10 [2018-11-22 23:09:29,068 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 10 [2018-11-22 23:09:29,068 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:09:29,070 INFO L579 CodeCheckObserver]: Invariant with dag size 10 [2018-11-22 23:09:29,074 INFO L579 CodeCheckObserver]: Invariant with dag size 10 [2018-11-22 23:09:29,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:09:29 ImpRootNode [2018-11-22 23:09:29,075 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-22 23:09:29,075 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:09:29,075 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:09:29,076 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:09:29,076 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:07:19" (3/4) ... [2018-11-22 23:09:29,079 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 23:09:29,092 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-11-22 23:09:29,093 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-22 23:09:29,094 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-22 23:09:29,095 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 23:09:29,176 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_91473dda-aefb-45cb-add0-1192a6449a83/bin-2019/ukojak/witness.graphml [2018-11-22 23:09:29,176 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:09:29,177 INFO L168 Benchmark]: Toolchain (without parser) took 131172.47 ms. Allocated memory was 1.0 GB in the beginning and 4.0 GB in the end (delta: 3.0 GB). Free memory was 951.6 MB in the beginning and 1.6 GB in the end (delta: -659.6 MB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. [2018-11-22 23:09:29,177 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:09:29,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.94 ms. Allocated memory is still 1.0 GB. Free memory was 951.6 MB in the beginning and 919.4 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-22 23:09:29,178 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 919.4 MB in the beginning and 1.2 GB in the end (delta: -237.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:09:29,178 INFO L168 Benchmark]: Boogie Preprocessor took 41.94 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:09:29,178 INFO L168 Benchmark]: RCFGBuilder took 1309.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 913.2 MB in the end (delta: 236.7 MB). Peak memory consumption was 236.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:09:29,178 INFO L168 Benchmark]: CodeCheck took 129237.05 ms. Allocated memory was 1.2 GB in the beginning and 4.0 GB in the end (delta: 2.8 GB). Free memory was 913.2 MB in the beginning and 1.6 GB in the end (delta: -698.0 MB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. [2018-11-22 23:09:29,179 INFO L168 Benchmark]: Witness Printer took 100.90 ms. Allocated memory is still 4.0 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 12.7 kB). Peak memory consumption was 12.7 kB. Max. memory is 11.5 GB. [2018-11-22 23:09:29,180 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, 198 locations, 1 error locations. SAFE Result, 123.8s OverallTime, 140 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1087144776 SDtfs, 1716852794 SDslu, -2072308824 SDs, 0 SdLazy, 1703996298 SolverSat, 1151492520 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 433.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 171808 GetRequests, 168226 SyntacticMatches, 2128 SemanticMatches, 1454 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1526921 ImplicationChecksByTransitivity, 106.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 14.3s InterpolantComputationTime, 25503 NumberOfCodeBlocks, 25503 NumberOfCodeBlocksAsserted, 139 NumberOfCheckSat, 25364 ConstructedInterpolants, 0 QuantifiedInterpolants, 20586829 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 139 InterpolantComputations, 127 PerfectInterpolantSequences, 30281/30693 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: 434]: 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: (a8 == 15 || !(a16 == 6)) || a8 == 13 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (!(a16 == 6) || a8 == 15) || a8 == 13 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 373.94 ms. Allocated memory is still 1.0 GB. Free memory was 951.6 MB in the beginning and 919.4 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 106.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 919.4 MB in the beginning and 1.2 GB in the end (delta: -237.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.94 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1309.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 913.2 MB in the end (delta: 236.7 MB). Peak memory consumption was 236.7 MB. Max. memory is 11.5 GB. * CodeCheck took 129237.05 ms. Allocated memory was 1.2 GB in the beginning and 4.0 GB in the end (delta: 2.8 GB). Free memory was 913.2 MB in the beginning and 1.6 GB in the end (delta: -698.0 MB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. * Witness Printer took 100.90 ms. Allocated memory is still 4.0 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 12.7 kB). Peak memory consumption was 12.7 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...