./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label57_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3cefb2d3-e387-447c-afbd-f8388f5d6f46/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3cefb2d3-e387-447c-afbd-f8388f5d6f46/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3cefb2d3-e387-447c-afbd-f8388f5d6f46/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3cefb2d3-e387-447c-afbd-f8388f5d6f46/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label57_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3cefb2d3-e387-447c-afbd-f8388f5d6f46/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3cefb2d3-e387-447c-afbd-f8388f5d6f46/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 7289a24916410dada55d7befe9c59871f03a3aa1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:07:12,834 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:07:12,836 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:07:12,845 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:07:12,846 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:07:12,846 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:07:12,848 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:07:12,850 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:07:12,851 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:07:12,852 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:07:12,853 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:07:12,853 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:07:12,854 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:07:12,856 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:07:12,857 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:07:12,857 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:07:12,858 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:07:12,860 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:07:12,862 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:07:12,864 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:07:12,865 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:07:12,866 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:07:12,868 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:07:12,868 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:07:12,869 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:07:12,869 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:07:12,870 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:07:12,872 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:07:12,873 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:07:12,873 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:07:12,874 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:07:12,874 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:07:12,875 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:07:12,875 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:07:12,876 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:07:12,877 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:07:12,877 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3cefb2d3-e387-447c-afbd-f8388f5d6f46/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 22:07:12,889 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:07:12,890 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:07:12,890 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:07:12,891 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:07:12,891 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:07:12,891 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:07:12,892 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:07:12,892 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:07:12,893 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:07:12,893 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:07:12,893 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:07:12,893 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:07:12,893 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:07:12,893 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:07:12,893 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:07:12,894 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:07:12,894 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:07:12,894 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:07:12,894 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:07:12,894 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:07:12,894 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:07:12,894 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:07:12,895 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:07:12,895 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:07:12,895 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:07:12,895 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 22:07:12,895 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:07:12,895 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:07:12,895 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_3cefb2d3-e387-447c-afbd-f8388f5d6f46/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 -> 7289a24916410dada55d7befe9c59871f03a3aa1 [2018-10-26 22:07:12,924 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:07:12,941 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:07:12,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:07:12,945 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:07:12,945 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:07:12,946 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3cefb2d3-e387-447c-afbd-f8388f5d6f46/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label57_true-unreach-call_false-termination.c [2018-10-26 22:07:13,002 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3cefb2d3-e387-447c-afbd-f8388f5d6f46/bin-2019/ukojak/data/fac5084ba/aec61a2ebff34084bac03064b4d7d611/FLAG1721d8e38 [2018-10-26 22:07:13,464 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:07:13,464 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3cefb2d3-e387-447c-afbd-f8388f5d6f46/sv-benchmarks/c/eca-rers2012/Problem02_label57_true-unreach-call_false-termination.c [2018-10-26 22:07:13,478 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3cefb2d3-e387-447c-afbd-f8388f5d6f46/bin-2019/ukojak/data/fac5084ba/aec61a2ebff34084bac03064b4d7d611/FLAG1721d8e38 [2018-10-26 22:07:13,499 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3cefb2d3-e387-447c-afbd-f8388f5d6f46/bin-2019/ukojak/data/fac5084ba/aec61a2ebff34084bac03064b4d7d611 [2018-10-26 22:07:13,502 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:07:13,505 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:07:13,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:07:13,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:07:13,511 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:07:13,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:07:13" (1/1) ... [2018-10-26 22:07:13,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ccde937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:07:13, skipping insertion in model container [2018-10-26 22:07:13,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:07:13" (1/1) ... [2018-10-26 22:07:13,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:07:13,577 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:07:13,870 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:07:13,874 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:07:13,997 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:07:14,022 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:07:14,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:07:14 WrapperNode [2018-10-26 22:07:14,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:07:14,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:07:14,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:07:14,024 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:07:14,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:07:14" (1/1) ... [2018-10-26 22:07:14,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:07:14" (1/1) ... [2018-10-26 22:07:14,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:07:14,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:07:14,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:07:14,186 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:07:14,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:07:14" (1/1) ... [2018-10-26 22:07:14,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:07:14" (1/1) ... [2018-10-26 22:07:14,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:07:14" (1/1) ... [2018-10-26 22:07:14,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:07:14" (1/1) ... [2018-10-26 22:07:14,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:07:14" (1/1) ... [2018-10-26 22:07:14,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:07:14" (1/1) ... [2018-10-26 22:07:14,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:07:14" (1/1) ... [2018-10-26 22:07:14,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:07:14,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:07:14,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:07:14,267 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:07:14,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:07:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3cefb2d3-e387-447c-afbd-f8388f5d6f46/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:07:14,327 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 22:07:14,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:07:14,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:07:18,602 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:07:18,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:07:18 BoogieIcfgContainer [2018-10-26 22:07:18,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:07:18,604 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:07:18,604 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:07:18,613 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:07:18,613 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:07:18" (1/1) ... [2018-10-26 22:07:18,625 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:07:18,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:18,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-10-26 22:07:18,664 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-10-26 22:07:18,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-26 22:07:18,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:19,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:19,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:19,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 165 states and 242 transitions. [2018-10-26 22:07:19,858 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 242 transitions. [2018-10-26 22:07:19,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 22:07:19,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:19,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:07:20,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:20,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 166 states and 245 transitions. [2018-10-26 22:07:20,194 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 245 transitions. [2018-10-26 22:07:20,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 22:07:20,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:20,359 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:20,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:20,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 184 states and 271 transitions. [2018-10-26 22:07:20,513 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 271 transitions. [2018-10-26 22:07:20,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-26 22:07:20,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:20,741 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:21,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:21,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 203 states and 296 transitions. [2018-10-26 22:07:21,289 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 296 transitions. [2018-10-26 22:07:21,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-26 22:07:21,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:21,485 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:22,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:22,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 222 states and 324 transitions. [2018-10-26 22:07:22,165 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 324 transitions. [2018-10-26 22:07:22,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 22:07:22,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:22,275 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:07:22,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:22,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 246 states and 361 transitions. [2018-10-26 22:07:22,815 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 361 transitions. [2018-10-26 22:07:22,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 22:07:22,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:22,875 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:07:23,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:23,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 264 states and 383 transitions. [2018-10-26 22:07:23,314 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 383 transitions. [2018-10-26 22:07:23,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 22:07:23,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:23,363 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:23,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:23,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 269 states and 389 transitions. [2018-10-26 22:07:23,677 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 389 transitions. [2018-10-26 22:07:23,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 22:07:23,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:24,214 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:24,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:24,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 293 states and 424 transitions. [2018-10-26 22:07:24,837 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 424 transitions. [2018-10-26 22:07:24,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-26 22:07:24,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:24,874 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:25,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:25,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 298 states and 432 transitions. [2018-10-26 22:07:25,540 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 432 transitions. [2018-10-26 22:07:25,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-26 22:07:25,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:25,567 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:26,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:26,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 302 states and 437 transitions. [2018-10-26 22:07:26,577 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 437 transitions. [2018-10-26 22:07:26,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 22:07:26,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:27,243 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:07:27,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:27,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 382 states and 525 transitions. [2018-10-26 22:07:27,816 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 525 transitions. [2018-10-26 22:07:27,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-26 22:07:27,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:27,850 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:28,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:28,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 401 states and 547 transitions. [2018-10-26 22:07:28,505 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 547 transitions. [2018-10-26 22:07:28,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-26 22:07:28,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:28,533 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:29,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:29,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 403 states and 549 transitions. [2018-10-26 22:07:29,025 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 549 transitions. [2018-10-26 22:07:29,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-26 22:07:29,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:29,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:29,477 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:29,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:29,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 410 states and 557 transitions. [2018-10-26 22:07:29,903 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 557 transitions. [2018-10-26 22:07:29,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 22:07:29,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:30,033 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:31,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:31,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 433 states and 592 transitions. [2018-10-26 22:07:31,443 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 592 transitions. [2018-10-26 22:07:31,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 22:07:31,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:31,513 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:31,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:31,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 437 states and 596 transitions. [2018-10-26 22:07:31,652 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 596 transitions. [2018-10-26 22:07:31,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 22:07:31,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:31,752 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:31,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:31,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 441 states and 600 transitions. [2018-10-26 22:07:31,900 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 600 transitions. [2018-10-26 22:07:31,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 22:07:31,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:31,988 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:32,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:32,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 445 states and 606 transitions. [2018-10-26 22:07:32,116 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 606 transitions. [2018-10-26 22:07:32,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 22:07:32,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:32,296 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:32,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:32,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 460 states and 623 transitions. [2018-10-26 22:07:32,753 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 623 transitions. [2018-10-26 22:07:32,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 22:07:32,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:33,244 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:33,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:33,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 464 states and 627 transitions. [2018-10-26 22:07:33,369 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 627 transitions. [2018-10-26 22:07:33,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-26 22:07:33,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:33,860 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:35,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:35,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 498 states and 673 transitions. [2018-10-26 22:07:35,409 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 673 transitions. [2018-10-26 22:07:35,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 22:07:35,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:35,553 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:36,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:36,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 510 states and 689 transitions. [2018-10-26 22:07:36,290 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 689 transitions. [2018-10-26 22:07:36,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 22:07:36,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:38,804 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:39,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:39,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 513 states and 695 transitions. [2018-10-26 22:07:39,151 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 695 transitions. [2018-10-26 22:07:39,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-26 22:07:39,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:39,179 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:39,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:39,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 524 states and 708 transitions. [2018-10-26 22:07:39,464 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 708 transitions. [2018-10-26 22:07:39,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-26 22:07:39,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:39,493 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:39,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:39,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 525 states and 708 transitions. [2018-10-26 22:07:39,672 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 708 transitions. [2018-10-26 22:07:39,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-26 22:07:39,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:40,148 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:07:40,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:40,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 528 states and 712 transitions. [2018-10-26 22:07:40,880 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 712 transitions. [2018-10-26 22:07:40,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-26 22:07:40,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:40,916 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:41,660 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-10-26 22:07:42,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:42,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 561 states and 747 transitions. [2018-10-26 22:07:42,349 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 747 transitions. [2018-10-26 22:07:42,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 22:07:42,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:42,386 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:07:42,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:42,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 588 states and 777 transitions. [2018-10-26 22:07:42,715 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 777 transitions. [2018-10-26 22:07:42,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 22:07:42,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:42,814 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:43,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:43,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 600 states and 790 transitions. [2018-10-26 22:07:43,027 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 790 transitions. [2018-10-26 22:07:43,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 22:07:43,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:43,516 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:43,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:43,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 616 states and 810 transitions. [2018-10-26 22:07:43,934 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 810 transitions. [2018-10-26 22:07:43,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 22:07:43,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:44,034 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:44,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:44,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 620 states and 814 transitions. [2018-10-26 22:07:44,250 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 814 transitions. [2018-10-26 22:07:44,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-26 22:07:44,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:44,821 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:07:44,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:44,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 626 states and 819 transitions. [2018-10-26 22:07:44,958 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 819 transitions. [2018-10-26 22:07:44,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-26 22:07:44,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:44,991 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:45,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:45,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 637 states and 831 transitions. [2018-10-26 22:07:45,257 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 831 transitions. [2018-10-26 22:07:45,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-26 22:07:45,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:45,291 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:45,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:45,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 641 states and 835 transitions. [2018-10-26 22:07:45,519 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 835 transitions. [2018-10-26 22:07:45,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-26 22:07:45,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:45,568 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:07:45,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:45,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 645 states and 839 transitions. [2018-10-26 22:07:45,636 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 839 transitions. [2018-10-26 22:07:45,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-26 22:07:45,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:45,661 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:07:46,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:46,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 658 states and 856 transitions. [2018-10-26 22:07:46,167 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 856 transitions. [2018-10-26 22:07:46,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 22:07:46,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:46,203 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:46,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:46,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 670 states and 868 transitions. [2018-10-26 22:07:46,489 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 868 transitions. [2018-10-26 22:07:46,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 22:07:46,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:46,535 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:46,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:46,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 682 states and 879 transitions. [2018-10-26 22:07:46,952 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 879 transitions. [2018-10-26 22:07:46,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 22:07:46,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:47,092 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:07:47,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:47,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 685 states and 883 transitions. [2018-10-26 22:07:47,311 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 883 transitions. [2018-10-26 22:07:47,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 22:07:47,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:47,508 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:07:47,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:47,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 690 states and 888 transitions. [2018-10-26 22:07:47,751 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 888 transitions. [2018-10-26 22:07:47,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-26 22:07:47,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:47,787 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:07:47,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:47,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 697 states and 896 transitions. [2018-10-26 22:07:47,963 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 896 transitions. [2018-10-26 22:07:47,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 22:07:47,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:48,062 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:07:48,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:48,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 702 states and 901 transitions. [2018-10-26 22:07:48,197 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 901 transitions. [2018-10-26 22:07:48,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 22:07:48,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:48,233 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:48,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:48,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 717 states and 916 transitions. [2018-10-26 22:07:48,309 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 916 transitions. [2018-10-26 22:07:48,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 22:07:48,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:48,416 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 78 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 22:07:48,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:48,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 737 states and 937 transitions. [2018-10-26 22:07:48,963 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 937 transitions. [2018-10-26 22:07:48,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 22:07:48,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:49,721 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:53,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:53,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 796 states and 1000 transitions. [2018-10-26 22:07:53,123 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1000 transitions. [2018-10-26 22:07:53,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-26 22:07:53,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:53,418 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 84 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 22:07:54,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:54,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 820 states and 1033 transitions. [2018-10-26 22:07:54,887 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1033 transitions. [2018-10-26 22:07:54,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-26 22:07:54,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:54,933 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 84 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 22:07:55,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:55,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 822 states and 1037 transitions. [2018-10-26 22:07:55,180 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1037 transitions. [2018-10-26 22:07:55,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-26 22:07:55,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:55,221 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:55,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:55,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 834 states and 1053 transitions. [2018-10-26 22:07:55,904 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1053 transitions. [2018-10-26 22:07:55,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 22:07:55,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:56,346 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:08:00,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:00,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 903 states and 1135 transitions. [2018-10-26 22:08:00,322 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1135 transitions. [2018-10-26 22:08:00,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 22:08:00,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:00,392 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:08:01,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:01,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 915 states and 1149 transitions. [2018-10-26 22:08:01,612 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1149 transitions. [2018-10-26 22:08:01,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 22:08:01,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:01,684 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:08:02,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:02,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 919 states and 1153 transitions. [2018-10-26 22:08:02,173 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1153 transitions. [2018-10-26 22:08:02,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-10-26 22:08:02,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:02,343 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:08:03,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:03,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 966 states and 1205 transitions. [2018-10-26 22:08:03,186 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1205 transitions. [2018-10-26 22:08:03,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-26 22:08:03,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:03,507 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:08:03,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:03,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 968 states and 1207 transitions. [2018-10-26 22:08:03,527 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1207 transitions. [2018-10-26 22:08:03,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-26 22:08:03,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:03,803 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:08:05,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:05,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1003 states and 1244 transitions. [2018-10-26 22:08:05,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1244 transitions. [2018-10-26 22:08:05,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-26 22:08:05,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:05,997 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:08:06,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:06,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1013 states and 1254 transitions. [2018-10-26 22:08:06,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1254 transitions. [2018-10-26 22:08:06,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 22:08:06,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:06,554 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:08:07,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:07,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 1040 states and 1283 transitions. [2018-10-26 22:08:07,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1283 transitions. [2018-10-26 22:08:07,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 22:08:07,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:07,671 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:08:09,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:09,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1055 states and 1298 transitions. [2018-10-26 22:08:09,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1298 transitions. [2018-10-26 22:08:09,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-26 22:08:09,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:09,258 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-10-26 22:08:09,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:09,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1056 states and 1298 transitions. [2018-10-26 22:08:09,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1298 transitions. [2018-10-26 22:08:09,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-10-26 22:08:09,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:09,324 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:08:10,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:10,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1073 states and 1317 transitions. [2018-10-26 22:08:10,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1317 transitions. [2018-10-26 22:08:10,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-10-26 22:08:10,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:10,300 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:08:10,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:10,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 1077 states and 1321 transitions. [2018-10-26 22:08:10,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1321 transitions. [2018-10-26 22:08:10,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-26 22:08:10,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:10,667 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:08:10,966 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-10-26 22:08:11,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:11,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1095 states and 1340 transitions. [2018-10-26 22:08:11,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1340 transitions. [2018-10-26 22:08:11,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-26 22:08:11,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:11,245 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:08:11,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:11,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1096 states and 1340 transitions. [2018-10-26 22:08:11,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1340 transitions. [2018-10-26 22:08:11,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-26 22:08:11,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:11,344 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 22:08:12,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:12,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1130 states and 1380 transitions. [2018-10-26 22:08:12,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1380 transitions. [2018-10-26 22:08:12,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-26 22:08:12,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:12,574 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 22:08:13,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:13,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1142 states and 1392 transitions. [2018-10-26 22:08:13,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1392 transitions. [2018-10-26 22:08:13,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-26 22:08:13,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:13,124 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 22:08:13,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:13,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1152 states and 1401 transitions. [2018-10-26 22:08:13,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1401 transitions. [2018-10-26 22:08:13,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-26 22:08:13,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:14,144 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:08:14,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:14,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1154 states and 1404 transitions. [2018-10-26 22:08:14,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1404 transitions. [2018-10-26 22:08:14,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-26 22:08:14,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:14,493 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:08:14,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:14,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1173 states and 1423 transitions. [2018-10-26 22:08:14,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1423 transitions. [2018-10-26 22:08:14,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-26 22:08:14,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:15,004 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 22:08:15,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:15,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1175 states and 1425 transitions. [2018-10-26 22:08:15,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1425 transitions. [2018-10-26 22:08:15,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-10-26 22:08:15,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:15,299 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:08:16,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:16,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1185 states and 1441 transitions. [2018-10-26 22:08:16,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1441 transitions. [2018-10-26 22:08:16,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-26 22:08:16,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:16,772 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:08:16,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:16,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1186 states and 1442 transitions. [2018-10-26 22:08:16,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1442 transitions. [2018-10-26 22:08:16,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-26 22:08:16,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:16,845 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:08:18,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:18,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1196 states and 1459 transitions. [2018-10-26 22:08:18,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1459 transitions. [2018-10-26 22:08:18,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-26 22:08:18,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:18,976 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:08:21,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:21,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1230 states and 1493 transitions. [2018-10-26 22:08:21,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1493 transitions. [2018-10-26 22:08:21,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-26 22:08:21,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:21,398 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:08:21,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:21,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1231 states and 1494 transitions. [2018-10-26 22:08:21,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1494 transitions. [2018-10-26 22:08:21,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-26 22:08:21,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:21,485 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 22:08:21,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:21,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1248 states and 1516 transitions. [2018-10-26 22:08:21,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1516 transitions. [2018-10-26 22:08:21,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 22:08:21,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:21,784 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 99 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 22:08:22,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:22,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1261 states and 1535 transitions. [2018-10-26 22:08:22,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1535 transitions. [2018-10-26 22:08:22,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 22:08:22,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:22,927 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 99 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 22:08:23,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:23,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 1262 states and 1536 transitions. [2018-10-26 22:08:23,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1536 transitions. [2018-10-26 22:08:23,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 22:08:23,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:23,274 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 99 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 22:08:23,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:23,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1278 states and 1552 transitions. [2018-10-26 22:08:23,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1552 transitions. [2018-10-26 22:08:23,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-26 22:08:23,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:23,837 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:08:23,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:23,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1281 states and 1558 transitions. [2018-10-26 22:08:23,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1558 transitions. [2018-10-26 22:08:23,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-26 22:08:23,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:23,904 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:08:25,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:25,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1321 states and 1603 transitions. [2018-10-26 22:08:25,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 1603 transitions. [2018-10-26 22:08:25,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-26 22:08:25,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:25,540 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:08:26,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:26,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1613 states to 1331 states and 1613 transitions. [2018-10-26 22:08:26,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1613 transitions. [2018-10-26 22:08:26,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 22:08:26,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:26,524 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:08:26,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:26,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1379 states and 1662 transitions. [2018-10-26 22:08:26,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1662 transitions. [2018-10-26 22:08:26,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 22:08:26,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:26,834 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 22:08:27,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:27,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1395 states and 1686 transitions. [2018-10-26 22:08:27,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1686 transitions. [2018-10-26 22:08:27,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-10-26 22:08:27,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:27,126 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:08:28,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:28,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1444 states and 1743 transitions. [2018-10-26 22:08:28,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 1743 transitions. [2018-10-26 22:08:28,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-10-26 22:08:28,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:28,099 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:08:28,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:28,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 1455 states and 1753 transitions. [2018-10-26 22:08:28,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 1753 transitions. [2018-10-26 22:08:28,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-10-26 22:08:28,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:29,017 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:08:31,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:31,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1505 states and 1808 transitions. [2018-10-26 22:08:31,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1808 transitions. [2018-10-26 22:08:31,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-10-26 22:08:31,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:31,517 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:08:31,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:31,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 1510 states and 1814 transitions. [2018-10-26 22:08:31,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1814 transitions. [2018-10-26 22:08:31,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-10-26 22:08:31,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:31,813 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:08:32,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:32,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1526 states and 1829 transitions. [2018-10-26 22:08:32,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1829 transitions. [2018-10-26 22:08:32,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 22:08:32,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:32,630 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:08:34,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:34,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1557 states and 1871 transitions. [2018-10-26 22:08:34,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1871 transitions. [2018-10-26 22:08:34,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 22:08:34,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:34,920 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:08:35,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:35,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1884 states to 1569 states and 1884 transitions. [2018-10-26 22:08:35,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 1884 transitions. [2018-10-26 22:08:35,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 22:08:35,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:35,699 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:08:36,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:36,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1888 states to 1573 states and 1888 transitions. [2018-10-26 22:08:36,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 1888 transitions. [2018-10-26 22:08:36,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 22:08:36,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:36,086 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:08:36,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:36,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1577 states and 1892 transitions. [2018-10-26 22:08:36,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1577 states and 1892 transitions. [2018-10-26 22:08:36,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 22:08:36,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:36,464 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:08:36,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:36,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1896 states to 1581 states and 1896 transitions. [2018-10-26 22:08:36,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 1896 transitions. [2018-10-26 22:08:36,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-10-26 22:08:36,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:36,872 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:08:37,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:37,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1896 states to 1582 states and 1896 transitions. [2018-10-26 22:08:37,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 1896 transitions. [2018-10-26 22:08:37,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-10-26 22:08:37,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:37,158 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 22:08:38,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:38,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1635 states and 1952 transitions. [2018-10-26 22:08:38,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 1952 transitions. [2018-10-26 22:08:38,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-10-26 22:08:38,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:38,700 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 22:08:39,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:39,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1981 states to 1662 states and 1981 transitions. [2018-10-26 22:08:39,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states and 1981 transitions. [2018-10-26 22:08:39,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-10-26 22:08:39,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:39,888 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 22:08:40,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:40,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1984 states to 1665 states and 1984 transitions. [2018-10-26 22:08:40,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 1984 transitions. [2018-10-26 22:08:40,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 22:08:40,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:40,355 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 17 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-10-26 22:08:40,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:40,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 1683 states and 2002 transitions. [2018-10-26 22:08:40,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 2002 transitions. [2018-10-26 22:08:40,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-26 22:08:40,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:40,707 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:08:41,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:41,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 1687 states and 2006 transitions. [2018-10-26 22:08:41,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2006 transitions. [2018-10-26 22:08:41,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-10-26 22:08:41,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:41,655 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 200 proven. 11 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-10-26 22:08:43,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:43,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2028 states to 1706 states and 2028 transitions. [2018-10-26 22:08:43,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 2028 transitions. [2018-10-26 22:08:43,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-10-26 22:08:43,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:43,479 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:08:44,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:44,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 1733 states and 2055 transitions. [2018-10-26 22:08:44,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2055 transitions. [2018-10-26 22:08:44,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-10-26 22:08:44,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:44,082 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:08:44,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:44,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 1740 states and 2061 transitions. [2018-10-26 22:08:44,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2061 transitions. [2018-10-26 22:08:44,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-26 22:08:44,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:44,900 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 22:08:45,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:45,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2107 states to 1783 states and 2107 transitions. [2018-10-26 22:08:45,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 2107 transitions. [2018-10-26 22:08:45,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-26 22:08:45,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:46,017 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 22:08:46,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:46,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2118 states to 1794 states and 2118 transitions. [2018-10-26 22:08:46,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 2118 transitions. [2018-10-26 22:08:46,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-26 22:08:46,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:46,557 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 22:08:46,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:46,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 1805 states and 2128 transitions. [2018-10-26 22:08:46,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2128 transitions. [2018-10-26 22:08:46,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-26 22:08:46,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:46,784 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-10-26 22:08:47,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:47,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2144 states to 1821 states and 2144 transitions. [2018-10-26 22:08:47,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1821 states and 2144 transitions. [2018-10-26 22:08:47,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-26 22:08:47,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:47,203 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-10-26 22:08:47,395 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-26 22:08:49,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:49,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2204 states to 1876 states and 2204 transitions. [2018-10-26 22:08:49,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2204 transitions. [2018-10-26 22:08:49,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-26 22:08:49,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:49,283 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-10-26 22:08:50,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:50,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 1926 states and 2255 transitions. [2018-10-26 22:08:50,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1926 states and 2255 transitions. [2018-10-26 22:08:50,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-26 22:08:50,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:50,578 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-10-26 22:08:51,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:51,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 1960 states and 2289 transitions. [2018-10-26 22:08:51,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2289 transitions. [2018-10-26 22:08:51,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-26 22:08:51,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:51,409 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-10-26 22:08:52,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:52,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2304 states to 1976 states and 2304 transitions. [2018-10-26 22:08:52,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 2304 transitions. [2018-10-26 22:08:52,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-26 22:08:52,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:53,725 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 211 proven. 28 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:08:57,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:57,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 2030 states and 2369 transitions. [2018-10-26 22:08:57,094 INFO L276 IsEmpty]: Start isEmpty. Operand 2030 states and 2369 transitions. [2018-10-26 22:08:57,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-10-26 22:08:57,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:57,491 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:08:58,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:08:58,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 2036 states and 2377 transitions. [2018-10-26 22:08:58,758 INFO L276 IsEmpty]: Start isEmpty. Operand 2036 states and 2377 transitions. [2018-10-26 22:08:58,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-10-26 22:08:58,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:08:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:00,110 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 22:09:05,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:05,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2094 states and 2439 transitions. [2018-10-26 22:09:05,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2094 states and 2439 transitions. [2018-10-26 22:09:05,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-10-26 22:09:05,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:05,278 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 22:09:05,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:05,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2441 states to 2096 states and 2441 transitions. [2018-10-26 22:09:05,653 INFO L276 IsEmpty]: Start isEmpty. Operand 2096 states and 2441 transitions. [2018-10-26 22:09:05,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-10-26 22:09:05,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:05,807 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 22:09:08,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:08,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2491 states to 2146 states and 2491 transitions. [2018-10-26 22:09:08,080 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2491 transitions. [2018-10-26 22:09:08,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-10-26 22:09:08,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:08,208 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 22:09:09,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:09,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2154 states and 2498 transitions. [2018-10-26 22:09:09,059 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 2498 transitions. [2018-10-26 22:09:09,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-26 22:09:09,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:09,102 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-10-26 22:09:09,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:09,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2155 states and 2498 transitions. [2018-10-26 22:09:09,349 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2498 transitions. [2018-10-26 22:09:09,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-26 22:09:09,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:09,462 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 218 proven. 42 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:09:10,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:10,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 2162 states and 2508 transitions. [2018-10-26 22:09:10,621 INFO L276 IsEmpty]: Start isEmpty. Operand 2162 states and 2508 transitions. [2018-10-26 22:09:10,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-26 22:09:10,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:10,673 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-10-26 22:09:11,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:11,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 2168 states and 2515 transitions. [2018-10-26 22:09:11,096 INFO L276 IsEmpty]: Start isEmpty. Operand 2168 states and 2515 transitions. [2018-10-26 22:09:11,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-26 22:09:11,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:11,163 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-10-26 22:09:12,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:12,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2535 states to 2187 states and 2535 transitions. [2018-10-26 22:09:12,247 INFO L276 IsEmpty]: Start isEmpty. Operand 2187 states and 2535 transitions. [2018-10-26 22:09:12,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-26 22:09:12,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:12,300 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-10-26 22:09:12,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:12,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2539 states to 2191 states and 2539 transitions. [2018-10-26 22:09:12,763 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 2539 transitions. [2018-10-26 22:09:12,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-10-26 22:09:12,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:12,848 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 172 proven. 17 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-26 22:09:14,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:14,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2208 states and 2561 transitions. [2018-10-26 22:09:14,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2208 states and 2561 transitions. [2018-10-26 22:09:14,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-10-26 22:09:14,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:14,740 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 172 proven. 17 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-26 22:09:15,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:15,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 2225 states and 2585 transitions. [2018-10-26 22:09:15,730 INFO L276 IsEmpty]: Start isEmpty. Operand 2225 states and 2585 transitions. [2018-10-26 22:09:15,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-10-26 22:09:15,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:15,894 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 172 proven. 17 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-26 22:09:16,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:16,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2589 states to 2229 states and 2589 transitions. [2018-10-26 22:09:16,337 INFO L276 IsEmpty]: Start isEmpty. Operand 2229 states and 2589 transitions. [2018-10-26 22:09:16,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-10-26 22:09:16,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:16,408 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 172 proven. 17 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-26 22:09:17,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:17,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2600 states to 2238 states and 2600 transitions. [2018-10-26 22:09:17,131 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 2600 transitions. [2018-10-26 22:09:17,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-10-26 22:09:17,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:17,207 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 172 proven. 17 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-26 22:09:17,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:17,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2604 states to 2242 states and 2604 transitions. [2018-10-26 22:09:17,674 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 2604 transitions. [2018-10-26 22:09:17,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-10-26 22:09:17,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:17,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:17,787 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 172 proven. 17 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-26 22:09:18,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:18,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2608 states to 2246 states and 2608 transitions. [2018-10-26 22:09:18,212 INFO L276 IsEmpty]: Start isEmpty. Operand 2246 states and 2608 transitions. [2018-10-26 22:09:18,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-26 22:09:18,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:18,346 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:09:20,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:20,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2641 states to 2280 states and 2641 transitions. [2018-10-26 22:09:20,261 INFO L276 IsEmpty]: Start isEmpty. Operand 2280 states and 2641 transitions. [2018-10-26 22:09:20,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-10-26 22:09:20,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:20,300 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 22:09:21,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:21,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2297 states and 2663 transitions. [2018-10-26 22:09:21,330 INFO L276 IsEmpty]: Start isEmpty. Operand 2297 states and 2663 transitions. [2018-10-26 22:09:21,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-10-26 22:09:21,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:21,372 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 22:09:21,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:21,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2671 states to 2305 states and 2671 transitions. [2018-10-26 22:09:21,840 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 2671 transitions. [2018-10-26 22:09:21,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-10-26 22:09:21,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:21,889 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 22:09:22,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:22,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2679 states to 2313 states and 2679 transitions. [2018-10-26 22:09:22,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2313 states and 2679 transitions. [2018-10-26 22:09:22,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-26 22:09:22,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:22,479 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-26 22:09:24,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:24,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2338 states and 2706 transitions. [2018-10-26 22:09:24,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2338 states and 2706 transitions. [2018-10-26 22:09:24,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-26 22:09:24,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:24,268 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-10-26 22:09:24,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:24,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 2355 states and 2724 transitions. [2018-10-26 22:09:24,641 INFO L276 IsEmpty]: Start isEmpty. Operand 2355 states and 2724 transitions. [2018-10-26 22:09:24,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-10-26 22:09:24,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:24,682 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 22:09:25,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:25,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 2377 states and 2749 transitions. [2018-10-26 22:09:25,632 INFO L276 IsEmpty]: Start isEmpty. Operand 2377 states and 2749 transitions. [2018-10-26 22:09:25,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-10-26 22:09:25,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:25,672 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 22:09:27,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:27,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 2419 states and 2793 transitions. [2018-10-26 22:09:27,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2419 states and 2793 transitions. [2018-10-26 22:09:27,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-10-26 22:09:27,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:27,169 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 22:09:28,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:28,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 2461 states and 2836 transitions. [2018-10-26 22:09:28,915 INFO L276 IsEmpty]: Start isEmpty. Operand 2461 states and 2836 transitions. [2018-10-26 22:09:28,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-10-26 22:09:28,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:28,956 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 22:09:29,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:29,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2842 states to 2468 states and 2842 transitions. [2018-10-26 22:09:29,556 INFO L276 IsEmpty]: Start isEmpty. Operand 2468 states and 2842 transitions. [2018-10-26 22:09:29,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-10-26 22:09:29,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:29,598 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 22:09:30,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:30,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2851 states to 2476 states and 2851 transitions. [2018-10-26 22:09:30,674 INFO L276 IsEmpty]: Start isEmpty. Operand 2476 states and 2851 transitions. [2018-10-26 22:09:30,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-10-26 22:09:30,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:30,730 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-26 22:09:30,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:30,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2857 states to 2482 states and 2857 transitions. [2018-10-26 22:09:30,797 INFO L276 IsEmpty]: Start isEmpty. Operand 2482 states and 2857 transitions. [2018-10-26 22:09:30,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-10-26 22:09:30,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:30,866 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-26 22:09:31,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:31,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2874 states to 2499 states and 2874 transitions. [2018-10-26 22:09:31,501 INFO L276 IsEmpty]: Start isEmpty. Operand 2499 states and 2874 transitions. [2018-10-26 22:09:31,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-10-26 22:09:31,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:32,147 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 240 proven. 61 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:09:35,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:35,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2538 states and 2918 transitions. [2018-10-26 22:09:35,029 INFO L276 IsEmpty]: Start isEmpty. Operand 2538 states and 2918 transitions. [2018-10-26 22:09:35,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-10-26 22:09:35,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:35,117 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-26 22:09:36,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:36,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2940 states to 2557 states and 2940 transitions. [2018-10-26 22:09:36,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2557 states and 2940 transitions. [2018-10-26 22:09:36,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-10-26 22:09:36,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:36,416 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-26 22:09:36,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:36,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2942 states to 2559 states and 2942 transitions. [2018-10-26 22:09:36,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2559 states and 2942 transitions. [2018-10-26 22:09:36,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-10-26 22:09:36,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:37,259 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 22:09:37,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:37,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2980 states to 2597 states and 2980 transitions. [2018-10-26 22:09:37,809 INFO L276 IsEmpty]: Start isEmpty. Operand 2597 states and 2980 transitions. [2018-10-26 22:09:37,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-10-26 22:09:37,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:38,086 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-10-26 22:09:38,659 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-26 22:09:39,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:39,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3063 states to 2677 states and 3063 transitions. [2018-10-26 22:09:39,585 INFO L276 IsEmpty]: Start isEmpty. Operand 2677 states and 3063 transitions. [2018-10-26 22:09:39,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-10-26 22:09:39,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:40,068 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 479 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-10-26 22:09:41,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:41,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 2714 states and 3106 transitions. [2018-10-26 22:09:41,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3106 transitions. [2018-10-26 22:09:41,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2018-10-26 22:09:41,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:41,681 INFO L134 CoverageAnalysis]: Checked inductivity of 557 backedges. 353 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-26 22:09:41,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:41,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 2715 states and 3106 transitions. [2018-10-26 22:09:41,969 INFO L276 IsEmpty]: Start isEmpty. Operand 2715 states and 3106 transitions. [2018-10-26 22:09:41,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2018-10-26 22:09:41,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:42,061 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 342 proven. 18 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-10-26 22:09:43,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:43,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3157 states to 2759 states and 3157 transitions. [2018-10-26 22:09:43,885 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3157 transitions. [2018-10-26 22:09:43,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-10-26 22:09:43,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:43,967 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 352 proven. 1 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-10-26 22:09:44,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:44,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3162 states to 2764 states and 3162 transitions. [2018-10-26 22:09:44,515 INFO L276 IsEmpty]: Start isEmpty. Operand 2764 states and 3162 transitions. [2018-10-26 22:09:44,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-10-26 22:09:44,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:44,798 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 352 proven. 1 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-10-26 22:09:46,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:46,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3193 states to 2795 states and 3193 transitions. [2018-10-26 22:09:46,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2795 states and 3193 transitions. [2018-10-26 22:09:46,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-10-26 22:09:46,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:46,659 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 352 proven. 1 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-10-26 22:09:47,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:47,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3197 states to 2799 states and 3197 transitions. [2018-10-26 22:09:47,137 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 3197 transitions. [2018-10-26 22:09:47,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-10-26 22:09:47,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:48,333 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2018-10-26 22:09:53,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:53,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3251 states to 2849 states and 3251 transitions. [2018-10-26 22:09:53,548 INFO L276 IsEmpty]: Start isEmpty. Operand 2849 states and 3251 transitions. [2018-10-26 22:09:53,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-10-26 22:09:53,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:53,769 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2018-10-26 22:09:55,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:55,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3257 states to 2858 states and 3257 transitions. [2018-10-26 22:09:55,600 INFO L276 IsEmpty]: Start isEmpty. Operand 2858 states and 3257 transitions. [2018-10-26 22:09:55,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-10-26 22:09:55,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:55,754 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2018-10-26 22:09:56,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:56,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3242 states to 2844 states and 3242 transitions. [2018-10-26 22:09:56,383 INFO L276 IsEmpty]: Start isEmpty. Operand 2844 states and 3242 transitions. [2018-10-26 22:09:56,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-10-26 22:09:56,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:57,473 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2018-10-26 22:10:01,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:10:01,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3303 states to 2904 states and 3303 transitions. [2018-10-26 22:10:01,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2904 states and 3303 transitions. [2018-10-26 22:10:01,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-10-26 22:10:01,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:10:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:10:01,639 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2018-10-26 22:10:03,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:10:03,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3334 states to 2937 states and 3334 transitions. [2018-10-26 22:10:03,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 3334 transitions. [2018-10-26 22:10:03,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-10-26 22:10:03,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:10:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:10:03,183 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 482 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-10-26 22:10:04,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:10:04,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3358 states to 2959 states and 3358 transitions. [2018-10-26 22:10:04,533 INFO L276 IsEmpty]: Start isEmpty. Operand 2959 states and 3358 transitions. [2018-10-26 22:10:04,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-10-26 22:10:04,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:10:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:10:04,619 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 482 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-10-26 22:10:05,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:10:05,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3377 states to 2978 states and 3377 transitions. [2018-10-26 22:10:05,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2978 states and 3377 transitions. [2018-10-26 22:10:05,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-10-26 22:10:05,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:10:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:10:05,750 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 389 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2018-10-26 22:10:07,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:10:07,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3382 states to 2983 states and 3382 transitions. [2018-10-26 22:10:07,054 INFO L276 IsEmpty]: Start isEmpty. Operand 2983 states and 3382 transitions. [2018-10-26 22:10:07,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-10-26 22:10:07,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:10:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:10:08,535 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 487 proven. 103 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-10-26 22:10:16,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:10:16,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3516 states to 3093 states and 3516 transitions. [2018-10-26 22:10:16,974 INFO L276 IsEmpty]: Start isEmpty. Operand 3093 states and 3516 transitions. [2018-10-26 22:10:16,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-10-26 22:10:16,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:10:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:10:17,276 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 487 proven. 103 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-10-26 22:10:23,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:10:23,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3577 states to 3149 states and 3577 transitions. [2018-10-26 22:10:23,840 INFO L276 IsEmpty]: Start isEmpty. Operand 3149 states and 3577 transitions. [2018-10-26 22:10:23,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-10-26 22:10:23,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:10:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:10:24,039 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 487 proven. 103 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-10-26 22:10:25,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:10:25,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 3172 states and 3598 transitions. [2018-10-26 22:10:25,746 INFO L276 IsEmpty]: Start isEmpty. Operand 3172 states and 3598 transitions. [2018-10-26 22:10:25,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2018-10-26 22:10:25,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:10:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:10:25,837 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 509 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-10-26 22:10:28,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:10:28,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 3221 states and 3652 transitions. [2018-10-26 22:10:28,184 INFO L276 IsEmpty]: Start isEmpty. Operand 3221 states and 3652 transitions. [2018-10-26 22:10:28,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2018-10-26 22:10:28,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:10:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:10:28,275 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 509 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-10-26 22:10:31,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:10:31,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3664 states to 3231 states and 3664 transitions. [2018-10-26 22:10:31,584 INFO L276 IsEmpty]: Start isEmpty. Operand 3231 states and 3664 transitions. [2018-10-26 22:10:31,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2018-10-26 22:10:31,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:10:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:10:31,925 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 509 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-10-26 22:10:33,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:10:33,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3668 states to 3236 states and 3668 transitions. [2018-10-26 22:10:33,030 INFO L276 IsEmpty]: Start isEmpty. Operand 3236 states and 3668 transitions. [2018-10-26 22:10:33,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2018-10-26 22:10:33,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:10:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:10:33,120 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 509 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-10-26 22:10:33,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:10:33,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3669 states to 3237 states and 3669 transitions. [2018-10-26 22:10:33,177 INFO L276 IsEmpty]: Start isEmpty. Operand 3237 states and 3669 transitions. [2018-10-26 22:10:33,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-10-26 22:10:33,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:10:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:10:33,272 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 449 proven. 1 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-10-26 22:10:33,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:10:33,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3683 states to 3250 states and 3683 transitions. [2018-10-26 22:10:33,886 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 3683 transitions. [2018-10-26 22:10:33,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-10-26 22:10:33,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:10:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:10:33,983 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 449 proven. 1 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-10-26 22:10:35,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:10:35,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3698 states to 3264 states and 3698 transitions. [2018-10-26 22:10:35,677 INFO L276 IsEmpty]: Start isEmpty. Operand 3264 states and 3698 transitions. [2018-10-26 22:10:35,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-10-26 22:10:35,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:10:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:10:35,775 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 449 proven. 1 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-10-26 22:10:36,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:10:36,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3703 states to 3269 states and 3703 transitions. [2018-10-26 22:10:36,320 INFO L276 IsEmpty]: Start isEmpty. Operand 3269 states and 3703 transitions. [2018-10-26 22:10:36,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-10-26 22:10:36,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:10:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:10:36,416 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 449 proven. 1 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-10-26 22:10:37,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:10:37,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3723 states to 3291 states and 3723 transitions. [2018-10-26 22:10:37,571 INFO L276 IsEmpty]: Start isEmpty. Operand 3291 states and 3723 transitions. [2018-10-26 22:10:37,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2018-10-26 22:10:37,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:10:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:10:37,993 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2018-10-26 22:10:40,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:10:40,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3744 states to 3310 states and 3744 transitions. [2018-10-26 22:10:40,733 INFO L276 IsEmpty]: Start isEmpty. Operand 3310 states and 3744 transitions. [2018-10-26 22:10:40,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2018-10-26 22:10:40,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:10:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:10:40,912 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2018-10-26 22:10:42,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:10:42,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3753 states to 3320 states and 3753 transitions. [2018-10-26 22:10:42,333 INFO L276 IsEmpty]: Start isEmpty. Operand 3320 states and 3753 transitions. [2018-10-26 22:10:42,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2018-10-26 22:10:42,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:10:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:10:42,459 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 666 proven. 17 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2018-10-26 22:10:45,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:10:45,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3805 states to 3367 states and 3805 transitions. [2018-10-26 22:10:45,036 INFO L276 IsEmpty]: Start isEmpty. Operand 3367 states and 3805 transitions. [2018-10-26 22:10:45,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2018-10-26 22:10:45,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:10:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:10:45,200 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 666 proven. 17 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2018-10-26 22:10:45,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:10:46,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3806 states to 3369 states and 3806 transitions. [2018-10-26 22:10:46,000 INFO L276 IsEmpty]: Start isEmpty. Operand 3369 states and 3806 transitions. [2018-10-26 22:10:46,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2018-10-26 22:10:46,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:10:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:10:48,124 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2018-10-26 22:10:51,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:10:51,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3833 states to 3393 states and 3833 transitions. [2018-10-26 22:10:51,687 INFO L276 IsEmpty]: Start isEmpty. Operand 3393 states and 3833 transitions. [2018-10-26 22:10:51,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2018-10-26 22:10:51,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:10:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:10:51,910 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2018-10-26 22:10:56,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:10:56,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3873 states to 3435 states and 3873 transitions. [2018-10-26 22:10:56,700 INFO L276 IsEmpty]: Start isEmpty. Operand 3435 states and 3873 transitions. [2018-10-26 22:10:56,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2018-10-26 22:10:56,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:10:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:10:57,319 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2018-10-26 22:11:00,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:11:00,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3906 states to 3470 states and 3906 transitions. [2018-10-26 22:11:00,710 INFO L276 IsEmpty]: Start isEmpty. Operand 3470 states and 3906 transitions. [2018-10-26 22:11:00,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2018-10-26 22:11:00,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:11:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:11:01,405 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 444 proven. 76 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2018-10-26 22:11:07,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:11:07,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3977 states to 3532 states and 3977 transitions. [2018-10-26 22:11:07,542 INFO L276 IsEmpty]: Start isEmpty. Operand 3532 states and 3977 transitions. [2018-10-26 22:11:07,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2018-10-26 22:11:07,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:11:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:11:07,971 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 444 proven. 76 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2018-10-26 22:11:08,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:11:08,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3982 states to 3536 states and 3982 transitions. [2018-10-26 22:11:08,878 INFO L276 IsEmpty]: Start isEmpty. Operand 3536 states and 3982 transitions. [2018-10-26 22:11:08,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2018-10-26 22:11:08,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:11:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:11:10,336 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 461 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2018-10-26 22:11:17,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:11:17,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4044 states to 3596 states and 4044 transitions. [2018-10-26 22:11:17,646 INFO L276 IsEmpty]: Start isEmpty. Operand 3596 states and 4044 transitions. [2018-10-26 22:11:17,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2018-10-26 22:11:17,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:11:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:11:17,846 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 461 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2018-10-26 22:11:18,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:11:18,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4051 states to 3604 states and 4051 transitions. [2018-10-26 22:11:18,760 INFO L276 IsEmpty]: Start isEmpty. Operand 3604 states and 4051 transitions. [2018-10-26 22:11:18,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-10-26 22:11:18,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:11:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:11:19,504 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 692 proven. 7 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-10-26 22:11:25,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:11:25,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4133 states to 3676 states and 4133 transitions. [2018-10-26 22:11:25,111 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 4133 transitions. [2018-10-26 22:11:25,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-10-26 22:11:25,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:11:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:11:25,273 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 692 proven. 7 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-10-26 22:11:29,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:11:29,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4184 states to 3725 states and 4184 transitions. [2018-10-26 22:11:29,066 INFO L276 IsEmpty]: Start isEmpty. Operand 3725 states and 4184 transitions. [2018-10-26 22:11:29,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-10-26 22:11:29,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:11:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:11:29,222 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 692 proven. 7 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-10-26 22:11:35,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:11:35,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4254 states to 3786 states and 4254 transitions. [2018-10-26 22:11:35,009 INFO L276 IsEmpty]: Start isEmpty. Operand 3786 states and 4254 transitions. [2018-10-26 22:11:35,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-10-26 22:11:35,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:11:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:11:35,156 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 692 proven. 7 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-10-26 22:11:37,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:11:37,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4294 states to 3825 states and 4294 transitions. [2018-10-26 22:11:37,348 INFO L276 IsEmpty]: Start isEmpty. Operand 3825 states and 4294 transitions. [2018-10-26 22:11:37,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-10-26 22:11:37,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:11:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:11:37,485 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 692 proven. 7 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-10-26 22:11:38,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:11:38,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4295 states to 3826 states and 4295 transitions. [2018-10-26 22:11:38,214 INFO L276 IsEmpty]: Start isEmpty. Operand 3826 states and 4295 transitions. [2018-10-26 22:11:38,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-10-26 22:11:38,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:11:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:11:38,368 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 692 proven. 7 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-10-26 22:11:39,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:11:39,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4296 states to 3827 states and 4296 transitions. [2018-10-26 22:11:39,153 INFO L276 IsEmpty]: Start isEmpty. Operand 3827 states and 4296 transitions. [2018-10-26 22:11:39,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-10-26 22:11:39,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:11:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:11:39,298 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 692 proven. 7 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-10-26 22:11:41,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:11:41,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4324 states to 3853 states and 4324 transitions. [2018-10-26 22:11:41,617 INFO L276 IsEmpty]: Start isEmpty. Operand 3853 states and 4324 transitions. [2018-10-26 22:11:41,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-10-26 22:11:41,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:11:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:11:41,757 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 692 proven. 7 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-10-26 22:11:45,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:11:45,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4376 states to 3903 states and 4376 transitions. [2018-10-26 22:11:45,986 INFO L276 IsEmpty]: Start isEmpty. Operand 3903 states and 4376 transitions. [2018-10-26 22:11:45,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-10-26 22:11:45,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:11:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:11:46,133 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 692 proven. 7 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-10-26 22:11:46,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:11:46,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4377 states to 3904 states and 4377 transitions. [2018-10-26 22:11:46,737 INFO L276 IsEmpty]: Start isEmpty. Operand 3904 states and 4377 transitions. [2018-10-26 22:11:46,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-10-26 22:11:46,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:11:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:11:46,887 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 692 proven. 7 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-10-26 22:11:47,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:11:47,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4378 states to 3905 states and 4378 transitions. [2018-10-26 22:11:47,487 INFO L276 IsEmpty]: Start isEmpty. Operand 3905 states and 4378 transitions. [2018-10-26 22:11:47,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-10-26 22:11:47,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:11:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:11:47,630 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 692 proven. 7 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-10-26 22:11:48,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:11:48,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4378 states to 3906 states and 4378 transitions. [2018-10-26 22:11:48,317 INFO L276 IsEmpty]: Start isEmpty. Operand 3906 states and 4378 transitions. [2018-10-26 22:11:48,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2018-10-26 22:11:48,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:11:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:11:48,462 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 512 proven. 3 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2018-10-26 22:11:49,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:11:49,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4391 states to 3917 states and 4391 transitions. [2018-10-26 22:11:49,186 INFO L276 IsEmpty]: Start isEmpty. Operand 3917 states and 4391 transitions. [2018-10-26 22:11:49,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2018-10-26 22:11:49,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:11:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:11:49,387 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 512 proven. 3 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2018-10-26 22:11:50,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:11:50,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4397 states to 3922 states and 4397 transitions. [2018-10-26 22:11:50,500 INFO L276 IsEmpty]: Start isEmpty. Operand 3922 states and 4397 transitions. [2018-10-26 22:11:50,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2018-10-26 22:11:50,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:11:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:11:50,632 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 512 proven. 3 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2018-10-26 22:11:51,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:11:51,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4410 states to 3934 states and 4410 transitions. [2018-10-26 22:11:51,436 INFO L276 IsEmpty]: Start isEmpty. Operand 3934 states and 4410 transitions. [2018-10-26 22:11:51,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2018-10-26 22:11:51,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:11:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:11:51,570 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 512 proven. 3 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2018-10-26 22:11:52,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:11:52,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4427 states to 3951 states and 4427 transitions. [2018-10-26 22:11:52,935 INFO L276 IsEmpty]: Start isEmpty. Operand 3951 states and 4427 transitions. [2018-10-26 22:11:52,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2018-10-26 22:11:52,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:11:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:11:53,072 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 512 proven. 3 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2018-10-26 22:11:54,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:11:54,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4453 states to 3974 states and 4453 transitions. [2018-10-26 22:11:54,970 INFO L276 IsEmpty]: Start isEmpty. Operand 3974 states and 4453 transitions. [2018-10-26 22:11:54,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2018-10-26 22:11:54,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:11:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:11:55,101 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 512 proven. 3 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2018-10-26 22:11:55,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:11:55,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4454 states to 3975 states and 4454 transitions. [2018-10-26 22:11:55,211 INFO L276 IsEmpty]: Start isEmpty. Operand 3975 states and 4454 transitions. [2018-10-26 22:11:55,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2018-10-26 22:11:55,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:11:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:11:55,343 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 512 proven. 3 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2018-10-26 22:11:57,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:11:57,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4494 states to 4015 states and 4494 transitions. [2018-10-26 22:11:57,295 INFO L276 IsEmpty]: Start isEmpty. Operand 4015 states and 4494 transitions. [2018-10-26 22:11:57,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2018-10-26 22:11:57,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:11:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:11:57,721 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 512 proven. 3 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2018-10-26 22:12:00,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:12:00,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4541 states to 4061 states and 4541 transitions. [2018-10-26 22:12:00,386 INFO L276 IsEmpty]: Start isEmpty. Operand 4061 states and 4541 transitions. [2018-10-26 22:12:00,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2018-10-26 22:12:00,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:12:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:12:00,518 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 512 proven. 3 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2018-10-26 22:12:02,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:12:02,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4571 states to 4092 states and 4571 transitions. [2018-10-26 22:12:02,217 INFO L276 IsEmpty]: Start isEmpty. Operand 4092 states and 4571 transitions. [2018-10-26 22:12:02,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2018-10-26 22:12:02,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:12:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:12:02,350 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 512 proven. 3 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2018-10-26 22:12:03,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:12:03,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4578 states to 4099 states and 4578 transitions. [2018-10-26 22:12:03,313 INFO L276 IsEmpty]: Start isEmpty. Operand 4099 states and 4578 transitions. [2018-10-26 22:12:03,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2018-10-26 22:12:03,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:12:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:12:03,445 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 512 proven. 3 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2018-10-26 22:12:04,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:12:04,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4578 states to 4100 states and 4578 transitions. [2018-10-26 22:12:04,132 INFO L276 IsEmpty]: Start isEmpty. Operand 4100 states and 4578 transitions. [2018-10-26 22:12:04,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-10-26 22:12:04,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:12:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:12:04,284 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 521 proven. 12 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2018-10-26 22:12:07,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:12:07,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4604 states to 4120 states and 4604 transitions. [2018-10-26 22:12:07,017 INFO L276 IsEmpty]: Start isEmpty. Operand 4120 states and 4604 transitions. [2018-10-26 22:12:07,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-10-26 22:12:07,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:12:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:12:07,169 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 521 proven. 12 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2018-10-26 22:12:07,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:12:07,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4608 states to 4124 states and 4608 transitions. [2018-10-26 22:12:07,832 INFO L276 IsEmpty]: Start isEmpty. Operand 4124 states and 4608 transitions. [2018-10-26 22:12:07,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-10-26 22:12:07,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:12:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:12:07,988 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 521 proven. 12 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2018-10-26 22:12:08,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:12:08,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4612 states to 4130 states and 4612 transitions. [2018-10-26 22:12:08,772 INFO L276 IsEmpty]: Start isEmpty. Operand 4130 states and 4612 transitions. [2018-10-26 22:12:08,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-10-26 22:12:08,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:12:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:12:08,924 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 521 proven. 12 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2018-10-26 22:12:09,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:12:09,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4612 states to 4131 states and 4612 transitions. [2018-10-26 22:12:09,377 INFO L276 IsEmpty]: Start isEmpty. Operand 4131 states and 4612 transitions. [2018-10-26 22:12:09,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-10-26 22:12:09,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:12:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:12:09,530 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 521 proven. 12 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2018-10-26 22:12:10,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:12:10,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4617 states to 4136 states and 4617 transitions. [2018-10-26 22:12:10,194 INFO L276 IsEmpty]: Start isEmpty. Operand 4136 states and 4617 transitions. [2018-10-26 22:12:10,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-10-26 22:12:10,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:12:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:12:10,348 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 521 proven. 12 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2018-10-26 22:12:11,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:12:11,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4621 states to 4142 states and 4621 transitions. [2018-10-26 22:12:11,555 INFO L276 IsEmpty]: Start isEmpty. Operand 4142 states and 4621 transitions. [2018-10-26 22:12:11,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-10-26 22:12:11,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:12:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:12:11,708 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 521 proven. 12 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2018-10-26 22:12:12,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:12:12,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4627 states to 4148 states and 4627 transitions. [2018-10-26 22:12:12,681 INFO L276 IsEmpty]: Start isEmpty. Operand 4148 states and 4627 transitions. [2018-10-26 22:12:12,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-10-26 22:12:12,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:12:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:12:13,142 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 521 proven. 12 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2018-10-26 22:12:13,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:12:13,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4627 states to 4149 states and 4627 transitions. [2018-10-26 22:12:13,814 INFO L276 IsEmpty]: Start isEmpty. Operand 4149 states and 4627 transitions. [2018-10-26 22:12:13,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2018-10-26 22:12:13,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:12:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:12:13,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 605 proven. 5 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2018-10-26 22:12:14,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:12:14,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4549 states to 4072 states and 4549 transitions. [2018-10-26 22:12:14,387 INFO L276 IsEmpty]: Start isEmpty. Operand 4072 states and 4549 transitions. [2018-10-26 22:12:14,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:12:14,389 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 213 iterations. [2018-10-26 22:12:14,397 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 22:12:14,606 WARN L179 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 50 [2018-10-26 22:12:14,730 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 11 [2018-10-26 22:12:15,038 WARN L179 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 49 [2018-10-26 22:12:15,318 WARN L179 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 49 [2018-10-26 22:12:15,457 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 11 [2018-10-26 22:12:15,645 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 11 [2018-10-26 22:12:15,797 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 11 [2018-10-26 22:12:16,051 WARN L179 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 49 [2018-10-26 22:12:16,302 WARN L179 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 49 [2018-10-26 22:12:16,451 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 11 [2018-10-26 22:12:17,073 WARN L179 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 11 [2018-10-26 22:12:17,188 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 11 [2018-10-26 22:12:17,316 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2018-10-26 22:12:17,449 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2018-10-26 22:12:17,699 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 11 [2018-10-26 22:12:17,949 WARN L179 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 49 [2018-10-26 22:12:18,062 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 11 [2018-10-26 22:12:18,177 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 11 [2018-10-26 22:12:18,562 WARN L179 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 50 [2018-10-26 22:12:18,782 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2018-10-26 22:12:19,092 WARN L179 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 43 [2018-10-26 22:12:19,194 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 11 [2018-10-26 22:12:19,319 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 11 [2018-10-26 22:12:19,530 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 11 [2018-10-26 22:12:19,644 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 11 [2018-10-26 22:12:19,954 WARN L179 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 43 [2018-10-26 22:12:20,318 WARN L179 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 50 [2018-10-26 22:12:20,911 WARN L179 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 49 [2018-10-26 22:12:21,229 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2018-10-26 22:12:21,432 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 11 [2018-10-26 22:12:21,718 WARN L179 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 49 [2018-10-26 22:12:21,833 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 11 [2018-10-26 22:12:22,137 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 11 [2018-10-26 22:12:22,297 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 11 [2018-10-26 22:12:22,508 WARN L179 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 11 [2018-10-26 22:12:22,810 WARN L179 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 49 [2018-10-26 22:12:22,925 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 11 [2018-10-26 22:12:23,227 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2018-10-26 22:12:23,395 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 50 [2018-10-26 22:12:23,733 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 11 [2018-10-26 22:12:23,967 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 11 [2018-10-26 22:12:24,095 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 11 [2018-10-26 22:12:24,263 WARN L179 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 11 [2018-10-26 22:12:24,530 WARN L179 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 50 [2018-10-26 22:12:24,722 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 11 [2018-10-26 22:12:24,830 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 11 [2018-10-26 22:12:24,830 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:12:24,832 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-10-26 22:12:24,838 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-10-26 22:12:24,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:12:24 ImpRootNode [2018-10-26 22:12:24,839 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:12:24,840 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:12:24,840 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:12:24,840 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:12:24,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:07:18" (3/4) ... [2018-10-26 22:12:24,846 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:12:24,862 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-10-26 22:12:24,863 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-10-26 22:12:24,864 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-10-26 22:12:24,865 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 22:12:24,994 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3cefb2d3-e387-447c-afbd-f8388f5d6f46/bin-2019/ukojak/witness.graphml [2018-10-26 22:12:24,995 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:12:24,995 INFO L168 Benchmark]: Toolchain (without parser) took 311492.70 ms. Allocated memory was 1.0 GB in the beginning and 4.7 GB in the end (delta: 3.6 GB). Free memory was 955.9 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.4 GB. Max. memory is 11.5 GB. [2018-10-26 22:12:24,996 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:12:24,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.58 ms. Allocated memory is still 1.0 GB. Free memory was 955.9 MB in the beginning and 926.3 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:12:24,996 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 926.3 MB in the beginning and 1.1 GB in the end (delta: -219.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2018-10-26 22:12:24,996 INFO L168 Benchmark]: Boogie Preprocessor took 80.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:12:24,997 INFO L168 Benchmark]: RCFGBuilder took 4336.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 905.6 MB in the end (delta: 235.2 MB). Peak memory consumption was 235.2 MB. Max. memory is 11.5 GB. [2018-10-26 22:12:24,997 INFO L168 Benchmark]: CodeCheck took 306235.64 ms. Allocated memory was 1.2 GB in the beginning and 4.7 GB in the end (delta: 3.5 GB). Free memory was 905.6 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. [2018-10-26 22:12:24,997 INFO L168 Benchmark]: Witness Printer took 155.04 ms. Allocated memory is still 4.7 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 4.2 kB). Peak memory consumption was 4.2 kB. Max. memory is 11.5 GB. [2018-10-26 22:12:24,999 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 228 locations, 1 error locations. SAFE Result, 295.7s OverallTime, 213 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -536592380 SDtfs, -1027339362 SDslu, 539803680 SDs, 0 SdLazy, -331906126 SolverSat, 891228672 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1471.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 325230 GetRequests, 319110 SyntacticMatches, 4126 SemanticMatches, 1994 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3100463 ImplicationChecksByTransitivity, 254.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.9s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 30.7s InterpolantComputationTime, 51143 NumberOfCodeBlocks, 51143 NumberOfCodeBlocksAsserted, 212 NumberOfCheckSat, 50931 ConstructedInterpolants, 0 QuantifiedInterpolants, 46941903 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 212 InterpolantComputations, 140 PerfectInterpolantSequences, 71122/72231 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: 445]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (!(a28 == 11) || a19 == 1) || !(a11 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (a19 == 1 || !(a28 == 11)) || !(a11 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 517.58 ms. Allocated memory is still 1.0 GB. Free memory was 955.9 MB in the beginning and 926.3 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 161.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 926.3 MB in the beginning and 1.1 GB in the end (delta: -219.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4336.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 905.6 MB in the end (delta: 235.2 MB). Peak memory consumption was 235.2 MB. Max. memory is 11.5 GB. * CodeCheck took 306235.64 ms. Allocated memory was 1.2 GB in the beginning and 4.7 GB in the end (delta: 3.5 GB). Free memory was 905.6 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. * Witness Printer took 155.04 ms. Allocated memory is still 4.7 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 4.2 kB). Peak memory consumption was 4.2 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...