./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label07_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4ed693f3-06f0-4386-804c-524c38c8e446/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4ed693f3-06f0-4386-804c-524c38c8e446/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4ed693f3-06f0-4386-804c-524c38c8e446/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4ed693f3-06f0-4386-804c-524c38c8e446/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label07_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4ed693f3-06f0-4386-804c-524c38c8e446/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4ed693f3-06f0-4386-804c-524c38c8e446/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 e1aefec8ddab0c97dfdccb598d218efc3fd3f309 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 23:47:22,656 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 23:47:22,657 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 23:47:22,663 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 23:47:22,663 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 23:47:22,664 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 23:47:22,664 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 23:47:22,665 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 23:47:22,666 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 23:47:22,666 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 23:47:22,667 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 23:47:22,667 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 23:47:22,667 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 23:47:22,668 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 23:47:22,668 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 23:47:22,669 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 23:47:22,669 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 23:47:22,670 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 23:47:22,671 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 23:47:22,672 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 23:47:22,672 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 23:47:22,673 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 23:47:22,674 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 23:47:22,674 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 23:47:22,674 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 23:47:22,674 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 23:47:22,675 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 23:47:22,675 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 23:47:22,676 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 23:47:22,676 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 23:47:22,676 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 23:47:22,677 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 23:47:22,677 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 23:47:22,677 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 23:47:22,677 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 23:47:22,678 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 23:47:22,678 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4ed693f3-06f0-4386-804c-524c38c8e446/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 23:47:22,685 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 23:47:22,685 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 23:47:22,685 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 23:47:22,686 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 23:47:22,686 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 23:47:22,686 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 23:47:22,686 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 23:47:22,686 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 23:47:22,686 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 23:47:22,686 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 23:47:22,686 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 23:47:22,687 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 23:47:22,687 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 23:47:22,687 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 23:47:22,687 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 23:47:22,687 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 23:47:22,687 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 23:47:22,687 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 23:47:22,687 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 23:47:22,687 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 23:47:22,687 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 23:47:22,687 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 23:47:22,687 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 23:47:22,688 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 23:47:22,688 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 23:47:22,688 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 23:47:22,688 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 23:47:22,688 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 23:47:22,688 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 23:47:22,688 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_4ed693f3-06f0-4386-804c-524c38c8e446/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 -> e1aefec8ddab0c97dfdccb598d218efc3fd3f309 [2018-12-08 23:47:22,705 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 23:47:22,712 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 23:47:22,714 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 23:47:22,715 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 23:47:22,715 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 23:47:22,716 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4ed693f3-06f0-4386-804c-524c38c8e446/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label07_true-unreach-call_false-termination.c [2018-12-08 23:47:22,751 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4ed693f3-06f0-4386-804c-524c38c8e446/bin-2019/ukojak/data/129f10a59/31fbfaeaed984062afd012d24e986c6b/FLAGf828f58c9 [2018-12-08 23:47:23,126 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 23:47:23,126 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4ed693f3-06f0-4386-804c-524c38c8e446/sv-benchmarks/c/eca-rers2012/Problem02_label07_true-unreach-call_false-termination.c [2018-12-08 23:47:23,133 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4ed693f3-06f0-4386-804c-524c38c8e446/bin-2019/ukojak/data/129f10a59/31fbfaeaed984062afd012d24e986c6b/FLAGf828f58c9 [2018-12-08 23:47:23,478 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4ed693f3-06f0-4386-804c-524c38c8e446/bin-2019/ukojak/data/129f10a59/31fbfaeaed984062afd012d24e986c6b [2018-12-08 23:47:23,480 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 23:47:23,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 23:47:23,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 23:47:23,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 23:47:23,483 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 23:47:23,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:47:23" (1/1) ... [2018-12-08 23:47:23,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a0c206f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:47:23, skipping insertion in model container [2018-12-08 23:47:23,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:47:23" (1/1) ... [2018-12-08 23:47:23,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 23:47:23,520 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 23:47:23,714 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:47:23,717 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 23:47:23,763 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:47:23,813 INFO L195 MainTranslator]: Completed translation [2018-12-08 23:47:23,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:47:23 WrapperNode [2018-12-08 23:47:23,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 23:47:23,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 23:47:23,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 23:47:23,814 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 23:47:23,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:47:23" (1/1) ... [2018-12-08 23:47:23,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:47:23" (1/1) ... [2018-12-08 23:47:23,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 23:47:23,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 23:47:23,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 23:47:23,866 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 23:47:23,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:47:23" (1/1) ... [2018-12-08 23:47:23,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:47:23" (1/1) ... [2018-12-08 23:47:23,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:47:23" (1/1) ... [2018-12-08 23:47:23,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:47:23" (1/1) ... [2018-12-08 23:47:23,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:47:23" (1/1) ... [2018-12-08 23:47:23,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:47:23" (1/1) ... [2018-12-08 23:47:23,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:47:23" (1/1) ... [2018-12-08 23:47:23,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 23:47:23,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 23:47:23,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 23:47:23,908 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 23:47:23,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:47:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4ed693f3-06f0-4386-804c-524c38c8e446/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 23:47:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 23:47:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 23:47:25,018 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 23:47:25,018 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 23:47:25,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:47:25 BoogieIcfgContainer [2018-12-08 23:47:25,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 23:47:25,019 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 23:47:25,019 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 23:47:25,026 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 23:47:25,026 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:47:25" (1/1) ... [2018-12-08 23:47:25,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:47:25,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:25,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-08 23:47:25,058 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-08 23:47:25,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-08 23:47:25,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:25,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:47:25,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:25,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 163 states and 251 transitions. [2018-12-08 23:47:25,565 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 251 transitions. [2018-12-08 23:47:25,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-08 23:47:25,566 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:25,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:47:26,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:26,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 241 states and 337 transitions. [2018-12-08 23:47:26,006 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 337 transitions. [2018-12-08 23:47:26,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 23:47:26,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:26,061 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:47:26,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:26,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 328 states and 430 transitions. [2018-12-08 23:47:26,516 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 430 transitions. [2018-12-08 23:47:26,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-08 23:47:26,518 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:26,565 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:47:26,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:26,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 338 states and 444 transitions. [2018-12-08 23:47:26,749 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 444 transitions. [2018-12-08 23:47:26,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-08 23:47:26,750 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:26,770 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:47:26,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:26,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 342 states and 451 transitions. [2018-12-08 23:47:26,918 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 451 transitions. [2018-12-08 23:47:26,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 23:47:26,920 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:26,951 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 23:47:27,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:27,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 351 states and 464 transitions. [2018-12-08 23:47:27,118 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 464 transitions. [2018-12-08 23:47:27,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 23:47:27,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:27,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:27,144 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:47:27,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:27,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 363 states and 477 transitions. [2018-12-08 23:47:27,244 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 477 transitions. [2018-12-08 23:47:27,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 23:47:27,246 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:27,274 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 23:47:27,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:27,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 367 states and 484 transitions. [2018-12-08 23:47:27,497 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 484 transitions. [2018-12-08 23:47:27,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 23:47:27,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:27,521 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 23:47:27,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:27,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 389 states and 510 transitions. [2018-12-08 23:47:27,700 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 510 transitions. [2018-12-08 23:47:27,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 23:47:27,701 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:27,714 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 23:47:27,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:27,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 396 states and 521 transitions. [2018-12-08 23:47:27,924 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 521 transitions. [2018-12-08 23:47:27,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-08 23:47:27,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:27,938 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 23:47:27,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:27,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 399 states and 524 transitions. [2018-12-08 23:47:27,952 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 524 transitions. [2018-12-08 23:47:27,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 23:47:27,953 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:27,977 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 23:47:27,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:27,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 403 states and 528 transitions. [2018-12-08 23:47:28,000 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 528 transitions. [2018-12-08 23:47:28,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 23:47:28,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:28,016 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:47:28,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:28,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 409 states and 534 transitions. [2018-12-08 23:47:28,047 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 534 transitions. [2018-12-08 23:47:28,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-08 23:47:28,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:28,062 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 23:47:28,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:28,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 417 states and 542 transitions. [2018-12-08 23:47:28,109 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 542 transitions. [2018-12-08 23:47:28,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-08 23:47:28,110 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:28,132 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 23:47:28,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:28,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 436 states and 565 transitions. [2018-12-08 23:47:28,317 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 565 transitions. [2018-12-08 23:47:28,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-08 23:47:28,318 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:28,354 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:47:28,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:28,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 463 states and 597 transitions. [2018-12-08 23:47:28,578 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 597 transitions. [2018-12-08 23:47:28,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-08 23:47:28,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:28,599 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 23:47:28,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:28,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 469 states and 603 transitions. [2018-12-08 23:47:28,622 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 603 transitions. [2018-12-08 23:47:28,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-08 23:47:28,623 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:28,700 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 23:47:29,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:29,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 507 states and 647 transitions. [2018-12-08 23:47:29,183 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 647 transitions. [2018-12-08 23:47:29,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-08 23:47:29,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:29,207 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 23:47:29,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:29,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 522 states and 664 transitions. [2018-12-08 23:47:29,392 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 664 transitions. [2018-12-08 23:47:29,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-08 23:47:29,392 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:29,405 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 23:47:29,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:29,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 528 states and 670 transitions. [2018-12-08 23:47:29,434 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 670 transitions. [2018-12-08 23:47:29,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-08 23:47:29,434 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:29,478 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 44 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 23:47:29,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:29,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 551 states and 698 transitions. [2018-12-08 23:47:29,797 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 698 transitions. [2018-12-08 23:47:29,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-08 23:47:29,797 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:29,830 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:47:30,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:30,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 573 states and 724 transitions. [2018-12-08 23:47:30,059 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 724 transitions. [2018-12-08 23:47:30,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-08 23:47:30,060 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:30,076 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 23:47:30,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:30,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 592 states and 744 transitions. [2018-12-08 23:47:30,179 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 744 transitions. [2018-12-08 23:47:30,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-08 23:47:30,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:30,196 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 23:47:30,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:30,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 598 states and 753 transitions. [2018-12-08 23:47:30,501 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 753 transitions. [2018-12-08 23:47:30,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-08 23:47:30,502 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:30,518 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 23:47:30,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:30,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 601 states and 756 transitions. [2018-12-08 23:47:30,607 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 756 transitions. [2018-12-08 23:47:30,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-08 23:47:30,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:30,626 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:47:30,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:30,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 634 states and 791 transitions. [2018-12-08 23:47:30,763 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 791 transitions. [2018-12-08 23:47:30,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-08 23:47:30,764 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:30,794 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:47:30,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:30,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 638 states and 796 transitions. [2018-12-08 23:47:30,827 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 796 transitions. [2018-12-08 23:47:30,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 23:47:30,828 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:30,868 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:47:31,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:31,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 667 states and 826 transitions. [2018-12-08 23:47:31,138 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 826 transitions. [2018-12-08 23:47:31,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-08 23:47:31,139 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:31,166 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 23:47:31,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:31,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 668 states and 828 transitions. [2018-12-08 23:47:31,302 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 828 transitions. [2018-12-08 23:47:31,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-08 23:47:31,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:31,320 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 23:47:31,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:31,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 678 states and 839 transitions. [2018-12-08 23:47:31,480 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 839 transitions. [2018-12-08 23:47:31,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-08 23:47:31,481 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:31,498 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:47:31,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:31,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 705 states and 868 transitions. [2018-12-08 23:47:31,752 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 868 transitions. [2018-12-08 23:47:31,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 23:47:31,753 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:31,853 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 23:47:32,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:32,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 721 states and 887 transitions. [2018-12-08 23:47:32,041 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 887 transitions. [2018-12-08 23:47:32,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-08 23:47:32,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:32,058 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:47:32,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:32,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 725 states and 896 transitions. [2018-12-08 23:47:32,293 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 896 transitions. [2018-12-08 23:47:32,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-08 23:47:32,293 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:32,517 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 23:47:33,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:33,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 765 states and 947 transitions. [2018-12-08 23:47:33,434 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 947 transitions. [2018-12-08 23:47:33,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-08 23:47:33,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:33,529 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:47:33,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:33,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 781 states and 964 transitions. [2018-12-08 23:47:33,761 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 964 transitions. [2018-12-08 23:47:33,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-08 23:47:33,761 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:33,790 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 23:47:33,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:33,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 782 states and 966 transitions. [2018-12-08 23:47:33,924 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 966 transitions. [2018-12-08 23:47:33,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-08 23:47:33,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:33,969 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 23:47:34,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:34,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 791 states and 976 transitions. [2018-12-08 23:47:34,072 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 976 transitions. [2018-12-08 23:47:34,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 23:47:34,073 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:34,136 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 23:47:34,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:34,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 810 states and 999 transitions. [2018-12-08 23:47:34,529 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 999 transitions. [2018-12-08 23:47:34,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 23:47:34,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:34,774 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:47:36,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:36,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 876 states and 1077 transitions. [2018-12-08 23:47:36,870 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1077 transitions. [2018-12-08 23:47:36,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 23:47:36,870 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:36,900 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 23:47:37,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:37,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 877 states and 1078 transitions. [2018-12-08 23:47:37,025 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1078 transitions. [2018-12-08 23:47:37,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 23:47:37,025 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:37,046 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:47:37,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:37,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 896 states and 1097 transitions. [2018-12-08 23:47:37,252 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1097 transitions. [2018-12-08 23:47:37,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 23:47:37,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:37,273 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:47:37,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:37,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 908 states and 1108 transitions. [2018-12-08 23:47:37,428 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1108 transitions. [2018-12-08 23:47:37,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 23:47:37,428 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:37,445 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 23:47:37,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:37,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 909 states and 1109 transitions. [2018-12-08 23:47:37,567 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1109 transitions. [2018-12-08 23:47:37,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 23:47:37,568 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:37,807 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:47:40,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:40,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 972 states and 1178 transitions. [2018-12-08 23:47:40,629 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1178 transitions. [2018-12-08 23:47:40,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 23:47:40,629 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:40,656 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 23:47:40,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:40,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 974 states and 1180 transitions. [2018-12-08 23:47:40,819 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1180 transitions. [2018-12-08 23:47:40,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 23:47:40,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:41,004 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:47:41,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:41,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 984 states and 1193 transitions. [2018-12-08 23:47:41,426 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1193 transitions. [2018-12-08 23:47:41,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 23:47:41,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:41,443 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 23:47:41,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:41,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1003 states and 1214 transitions. [2018-12-08 23:47:41,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1214 transitions. [2018-12-08 23:47:41,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 23:47:41,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:41,735 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:47:42,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:42,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 1022 states and 1233 transitions. [2018-12-08 23:47:42,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1233 transitions. [2018-12-08 23:47:42,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 23:47:42,015 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:42,056 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:47:42,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:42,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1038 states and 1250 transitions. [2018-12-08 23:47:42,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1250 transitions. [2018-12-08 23:47:42,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 23:47:42,321 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:42,362 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 96 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-12-08 23:47:42,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:42,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1046 states and 1257 transitions. [2018-12-08 23:47:42,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1257 transitions. [2018-12-08 23:47:42,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-08 23:47:42,467 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:42,528 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:47:45,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:45,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 1085 states and 1302 transitions. [2018-12-08 23:47:45,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1302 transitions. [2018-12-08 23:47:45,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-08 23:47:45,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:45,163 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 23:47:45,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:45,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1095 states and 1312 transitions. [2018-12-08 23:47:45,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1312 transitions. [2018-12-08 23:47:45,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 23:47:45,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:45,708 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:47:48,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:48,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1147 states and 1371 transitions. [2018-12-08 23:47:48,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1371 transitions. [2018-12-08 23:47:48,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 23:47:48,493 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:48,592 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:47:49,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:49,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1163 states and 1389 transitions. [2018-12-08 23:47:49,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1389 transitions. [2018-12-08 23:47:49,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-08 23:47:49,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:49,641 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:47:50,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:50,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1179 states and 1408 transitions. [2018-12-08 23:47:50,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1408 transitions. [2018-12-08 23:47:50,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-08 23:47:50,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:50,093 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:47:50,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:50,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1186 states and 1419 transitions. [2018-12-08 23:47:50,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1419 transitions. [2018-12-08 23:47:50,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-08 23:47:50,130 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:50,147 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 23:47:50,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:50,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1189 states and 1422 transitions. [2018-12-08 23:47:50,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1422 transitions. [2018-12-08 23:47:50,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 23:47:50,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:50,272 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:47:50,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:50,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1199 states and 1432 transitions. [2018-12-08 23:47:50,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1432 transitions. [2018-12-08 23:47:50,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 23:47:50,561 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:50,648 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:47:51,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:51,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1235 states and 1471 transitions. [2018-12-08 23:47:51,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1471 transitions. [2018-12-08 23:47:51,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 23:47:51,657 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:51,687 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-08 23:47:51,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:51,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1238 states and 1479 transitions. [2018-12-08 23:47:51,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1479 transitions. [2018-12-08 23:47:51,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-08 23:47:51,757 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:51,808 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 23:47:53,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:53,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 1276 states and 1524 transitions. [2018-12-08 23:47:53,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1524 transitions. [2018-12-08 23:47:53,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-08 23:47:53,832 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:53,864 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:47:54,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:54,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1279 states and 1527 transitions. [2018-12-08 23:47:54,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1527 transitions. [2018-12-08 23:47:54,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-08 23:47:54,133 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:54,546 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 23:47:56,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:56,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1315 states and 1562 transitions. [2018-12-08 23:47:56,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1562 transitions. [2018-12-08 23:47:56,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-08 23:47:56,500 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:56,549 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 84 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 23:47:57,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:57,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1345 states and 1594 transitions. [2018-12-08 23:47:57,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 1594 transitions. [2018-12-08 23:47:57,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-08 23:47:57,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:57,319 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 23:47:57,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:57,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1359 states and 1611 transitions. [2018-12-08 23:47:57,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1611 transitions. [2018-12-08 23:47:57,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-08 23:47:57,386 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:57,439 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 23:47:57,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:57,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 1381 states and 1633 transitions. [2018-12-08 23:47:57,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1633 transitions. [2018-12-08 23:47:57,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-08 23:47:57,505 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:57,525 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 23:47:57,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:57,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1390 states and 1642 transitions. [2018-12-08 23:47:57,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 1642 transitions. [2018-12-08 23:47:57,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-08 23:47:57,581 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:57,687 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 23:47:58,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:47:58,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1406 states and 1661 transitions. [2018-12-08 23:47:58,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 1661 transitions. [2018-12-08 23:47:58,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-08 23:47:58,783 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:47:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:47:59,233 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 23:47:59,869 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2018-12-08 23:48:01,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:01,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1477 states and 1731 transitions. [2018-12-08 23:48:01,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 1731 transitions. [2018-12-08 23:48:01,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-08 23:48:01,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:01,384 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 89 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 23:48:01,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:01,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1505 states and 1759 transitions. [2018-12-08 23:48:01,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1759 transitions. [2018-12-08 23:48:01,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-08 23:48:01,594 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:01,634 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:48:01,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:01,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1521 states and 1778 transitions. [2018-12-08 23:48:01,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1778 transitions. [2018-12-08 23:48:01,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-08 23:48:01,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:01,972 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:48:02,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:02,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1573 states and 1835 transitions. [2018-12-08 23:48:02,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 1835 transitions. [2018-12-08 23:48:02,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-08 23:48:02,710 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:02,770 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:48:04,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:04,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1599 states and 1863 transitions. [2018-12-08 23:48:04,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 1863 transitions. [2018-12-08 23:48:04,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-08 23:48:04,166 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:04,202 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 23:48:04,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:04,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1615 states and 1885 transitions. [2018-12-08 23:48:04,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 1885 transitions. [2018-12-08 23:48:04,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-08 23:48:04,475 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:04,568 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:48:06,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:06,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 1631 states and 1905 transitions. [2018-12-08 23:48:06,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 1905 transitions. [2018-12-08 23:48:06,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-08 23:48:06,052 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:06,161 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:48:06,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:06,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1647 states and 1923 transitions. [2018-12-08 23:48:06,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1647 states and 1923 transitions. [2018-12-08 23:48:06,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-08 23:48:06,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:06,560 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:48:07,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:07,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 1677 states and 1953 transitions. [2018-12-08 23:48:07,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states and 1953 transitions. [2018-12-08 23:48:07,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-08 23:48:07,852 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:07,983 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:48:08,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:08,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1999 states to 1717 states and 1999 transitions. [2018-12-08 23:48:08,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 1999 transitions. [2018-12-08 23:48:08,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-08 23:48:08,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:08,775 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:48:09,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:09,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2013 states to 1731 states and 2013 transitions. [2018-12-08 23:48:09,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2013 transitions. [2018-12-08 23:48:09,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-08 23:48:09,402 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:09,456 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:48:09,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:09,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2029 states to 1747 states and 2029 transitions. [2018-12-08 23:48:09,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2029 transitions. [2018-12-08 23:48:09,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 23:48:09,752 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:09,783 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 23:48:10,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:10,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 1807 states and 2095 transitions. [2018-12-08 23:48:10,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 2095 transitions. [2018-12-08 23:48:10,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-08 23:48:10,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:10,844 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 23:48:11,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:11,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 1859 states and 2151 transitions. [2018-12-08 23:48:11,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2151 transitions. [2018-12-08 23:48:11,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-08 23:48:11,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:11,872 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 105 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 23:48:12,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:12,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 1873 states and 2165 transitions. [2018-12-08 23:48:12,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1873 states and 2165 transitions. [2018-12-08 23:48:12,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-08 23:48:12,755 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:12,819 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 105 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 23:48:14,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:14,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 1903 states and 2195 transitions. [2018-12-08 23:48:14,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 2195 transitions. [2018-12-08 23:48:14,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-08 23:48:14,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:14,459 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 16 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-08 23:48:14,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:14,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 1920 states and 2219 transitions. [2018-12-08 23:48:14,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2219 transitions. [2018-12-08 23:48:14,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-08 23:48:14,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:14,957 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 120 proven. 25 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 23:48:16,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:16,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 1953 states and 2254 transitions. [2018-12-08 23:48:16,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1953 states and 2254 transitions. [2018-12-08 23:48:16,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 23:48:16,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:17,211 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 23:48:19,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:19,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2266 states to 1964 states and 2266 transitions. [2018-12-08 23:48:19,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1964 states and 2266 transitions. [2018-12-08 23:48:19,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-08 23:48:19,329 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:19,364 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-08 23:48:19,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:19,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 1978 states and 2281 transitions. [2018-12-08 23:48:19,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2281 transitions. [2018-12-08 23:48:19,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-08 23:48:19,814 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:19,841 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-08 23:48:19,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:19,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2332 states to 2028 states and 2332 transitions. [2018-12-08 23:48:19,958 INFO L276 IsEmpty]: Start isEmpty. Operand 2028 states and 2332 transitions. [2018-12-08 23:48:19,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-08 23:48:19,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:19,998 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-08 23:48:20,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:20,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2341 states to 2037 states and 2341 transitions. [2018-12-08 23:48:20,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states and 2341 transitions. [2018-12-08 23:48:20,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-08 23:48:20,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:20,345 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 23:48:20,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:20,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2359 states to 2053 states and 2359 transitions. [2018-12-08 23:48:20,795 INFO L276 IsEmpty]: Start isEmpty. Operand 2053 states and 2359 transitions. [2018-12-08 23:48:20,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-12-08 23:48:20,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:20,833 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-08 23:48:21,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:21,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 2059 states and 2369 transitions. [2018-12-08 23:48:21,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 2369 transitions. [2018-12-08 23:48:21,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-08 23:48:21,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:21,332 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 23:48:21,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:21,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 2060 states and 2370 transitions. [2018-12-08 23:48:21,583 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 2370 transitions. [2018-12-08 23:48:21,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-08 23:48:21,584 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:21,675 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 161 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 23:48:23,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:23,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 2099 states and 2416 transitions. [2018-12-08 23:48:23,116 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 2416 transitions. [2018-12-08 23:48:23,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-08 23:48:23,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:23,165 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 161 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 23:48:23,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:23,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2432 states to 2115 states and 2432 transitions. [2018-12-08 23:48:23,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2432 transitions. [2018-12-08 23:48:23,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-08 23:48:23,489 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:23,537 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 161 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 23:48:23,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:23,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2446 states to 2129 states and 2446 transitions. [2018-12-08 23:48:23,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2129 states and 2446 transitions. [2018-12-08 23:48:23,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-08 23:48:23,822 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:23,868 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-08 23:48:24,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:24,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 2138 states and 2457 transitions. [2018-12-08 23:48:24,195 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states and 2457 transitions. [2018-12-08 23:48:24,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-08 23:48:24,196 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:24,227 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 23:48:25,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:25,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2504 states to 2177 states and 2504 transitions. [2018-12-08 23:48:25,555 INFO L276 IsEmpty]: Start isEmpty. Operand 2177 states and 2504 transitions. [2018-12-08 23:48:25,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-08 23:48:25,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:25,587 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 23:48:25,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:25,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 2193 states and 2519 transitions. [2018-12-08 23:48:25,793 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 2519 transitions. [2018-12-08 23:48:25,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-08 23:48:25,794 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:25,853 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 184 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 23:48:26,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:26,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2197 states and 2523 transitions. [2018-12-08 23:48:26,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states and 2523 transitions. [2018-12-08 23:48:26,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-08 23:48:26,090 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:26,125 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:48:26,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:26,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2547 states to 2216 states and 2547 transitions. [2018-12-08 23:48:26,786 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2547 transitions. [2018-12-08 23:48:26,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-08 23:48:26,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:26,815 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:48:26,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:26,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 2230 states and 2560 transitions. [2018-12-08 23:48:26,983 INFO L276 IsEmpty]: Start isEmpty. Operand 2230 states and 2560 transitions. [2018-12-08 23:48:26,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-08 23:48:26,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:27,013 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:48:27,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:27,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 2246 states and 2575 transitions. [2018-12-08 23:48:27,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2246 states and 2575 transitions. [2018-12-08 23:48:27,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-08 23:48:27,182 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:27,267 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 123 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-08 23:48:27,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:27,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2593 states to 2261 states and 2593 transitions. [2018-12-08 23:48:27,836 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2593 transitions. [2018-12-08 23:48:27,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-08 23:48:27,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:27,878 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 23:48:28,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:28,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2600 states to 2267 states and 2600 transitions. [2018-12-08 23:48:28,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 2600 transitions. [2018-12-08 23:48:28,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-12-08 23:48:28,143 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:28,180 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 149 proven. 13 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-08 23:48:28,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:28,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2607 states to 2273 states and 2607 transitions. [2018-12-08 23:48:28,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 2607 transitions. [2018-12-08 23:48:28,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 23:48:28,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:29,200 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 23:48:31,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:31,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2300 states and 2636 transitions. [2018-12-08 23:48:31,144 INFO L276 IsEmpty]: Start isEmpty. Operand 2300 states and 2636 transitions. [2018-12-08 23:48:31,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-12-08 23:48:31,145 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:31,241 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 23:48:34,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:34,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 2351 states and 2688 transitions. [2018-12-08 23:48:34,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2351 states and 2688 transitions. [2018-12-08 23:48:34,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-12-08 23:48:34,034 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:34,160 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 23:48:38,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:38,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2402 states and 2738 transitions. [2018-12-08 23:48:38,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2402 states and 2738 transitions. [2018-12-08 23:48:38,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-12-08 23:48:38,221 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:38,317 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 23:48:41,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:41,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2464 states and 2799 transitions. [2018-12-08 23:48:41,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 2799 transitions. [2018-12-08 23:48:41,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-08 23:48:41,408 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:41,524 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 149 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-08 23:48:42,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:42,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 2484 states and 2820 transitions. [2018-12-08 23:48:42,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2484 states and 2820 transitions. [2018-12-08 23:48:42,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-08 23:48:42,256 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:42,334 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 23:48:43,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:43,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2855 states to 2514 states and 2855 transitions. [2018-12-08 23:48:43,349 INFO L276 IsEmpty]: Start isEmpty. Operand 2514 states and 2855 transitions. [2018-12-08 23:48:43,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-08 23:48:43,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:43,453 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 23:48:43,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:43,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2866 states to 2526 states and 2866 transitions. [2018-12-08 23:48:43,795 INFO L276 IsEmpty]: Start isEmpty. Operand 2526 states and 2866 transitions. [2018-12-08 23:48:43,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-08 23:48:43,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:43,828 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-08 23:48:44,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:44,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 2529 states and 2869 transitions. [2018-12-08 23:48:44,015 INFO L276 IsEmpty]: Start isEmpty. Operand 2529 states and 2869 transitions. [2018-12-08 23:48:44,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-08 23:48:44,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:44,067 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-08 23:48:44,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:44,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 2530 states and 2869 transitions. [2018-12-08 23:48:44,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 2869 transitions. [2018-12-08 23:48:44,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-08 23:48:44,408 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:44,459 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-08 23:48:44,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:44,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 2531 states and 2869 transitions. [2018-12-08 23:48:44,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2531 states and 2869 transitions. [2018-12-08 23:48:44,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-12-08 23:48:44,657 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:44,687 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 23:48:45,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:45,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2543 states and 2881 transitions. [2018-12-08 23:48:45,050 INFO L276 IsEmpty]: Start isEmpty. Operand 2543 states and 2881 transitions. [2018-12-08 23:48:45,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-08 23:48:45,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:45,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:45,229 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 189 proven. 26 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-08 23:48:47,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:47,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2935 states to 2591 states and 2935 transitions. [2018-12-08 23:48:47,546 INFO L276 IsEmpty]: Start isEmpty. Operand 2591 states and 2935 transitions. [2018-12-08 23:48:47,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-08 23:48:47,547 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:47,589 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 189 proven. 26 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-08 23:48:47,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:47,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2945 states to 2601 states and 2945 transitions. [2018-12-08 23:48:47,982 INFO L276 IsEmpty]: Start isEmpty. Operand 2601 states and 2945 transitions. [2018-12-08 23:48:47,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-12-08 23:48:47,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:48,095 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 23:48:48,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:48,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 2637 states and 2982 transitions. [2018-12-08 23:48:48,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2637 states and 2982 transitions. [2018-12-08 23:48:48,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-12-08 23:48:48,742 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:48,847 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 23:48:49,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:49,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2991 states to 2646 states and 2991 transitions. [2018-12-08 23:48:49,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2646 states and 2991 transitions. [2018-12-08 23:48:49,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-12-08 23:48:49,151 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:49,205 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 168 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 23:48:49,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:49,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3002 states to 2657 states and 3002 transitions. [2018-12-08 23:48:49,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2657 states and 3002 transitions. [2018-12-08 23:48:49,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-12-08 23:48:49,382 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:49,414 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 23:48:49,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:49,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3026 states to 2679 states and 3026 transitions. [2018-12-08 23:48:49,840 INFO L276 IsEmpty]: Start isEmpty. Operand 2679 states and 3026 transitions. [2018-12-08 23:48:49,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-12-08 23:48:49,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:49,873 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 23:48:50,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:50,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3043 states to 2695 states and 3043 transitions. [2018-12-08 23:48:50,767 INFO L276 IsEmpty]: Start isEmpty. Operand 2695 states and 3043 transitions. [2018-12-08 23:48:50,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-12-08 23:48:50,769 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:50,806 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 23:48:51,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:51,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3058 states to 2711 states and 3058 transitions. [2018-12-08 23:48:51,055 INFO L276 IsEmpty]: Start isEmpty. Operand 2711 states and 3058 transitions. [2018-12-08 23:48:51,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-12-08 23:48:51,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:51,089 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 23:48:51,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:51,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3059 states to 2713 states and 3059 transitions. [2018-12-08 23:48:51,119 INFO L276 IsEmpty]: Start isEmpty. Operand 2713 states and 3059 transitions. [2018-12-08 23:48:51,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-12-08 23:48:51,120 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:51,152 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 231 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-08 23:48:54,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:54,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 2751 states and 3106 transitions. [2018-12-08 23:48:54,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2751 states and 3106 transitions. [2018-12-08 23:48:54,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-12-08 23:48:54,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:54,611 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 231 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-08 23:48:57,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:57,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3139 states to 2783 states and 3139 transitions. [2018-12-08 23:48:57,196 INFO L276 IsEmpty]: Start isEmpty. Operand 2783 states and 3139 transitions. [2018-12-08 23:48:57,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-12-08 23:48:57,198 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:57,241 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-08 23:48:57,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:57,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3142 states to 2787 states and 3142 transitions. [2018-12-08 23:48:57,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2787 states and 3142 transitions. [2018-12-08 23:48:57,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-12-08 23:48:57,705 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:57,744 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-08 23:48:57,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:57,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3144 states to 2790 states and 3144 transitions. [2018-12-08 23:48:57,926 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3144 transitions. [2018-12-08 23:48:57,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-08 23:48:57,927 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:57,975 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-08 23:48:58,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:58,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 2795 states and 3150 transitions. [2018-12-08 23:48:58,560 INFO L276 IsEmpty]: Start isEmpty. Operand 2795 states and 3150 transitions. [2018-12-08 23:48:58,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-08 23:48:58,562 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:58,610 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-08 23:48:59,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:48:59,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3171 states to 2814 states and 3171 transitions. [2018-12-08 23:48:59,544 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 3171 transitions. [2018-12-08 23:48:59,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-08 23:48:59,547 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:48:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:48:59,601 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-08 23:49:00,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:00,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3187 states to 2830 states and 3187 transitions. [2018-12-08 23:49:00,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2830 states and 3187 transitions. [2018-12-08 23:49:00,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-08 23:49:00,183 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:00,233 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-08 23:49:00,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:00,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 2844 states and 3200 transitions. [2018-12-08 23:49:00,550 INFO L276 IsEmpty]: Start isEmpty. Operand 2844 states and 3200 transitions. [2018-12-08 23:49:00,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-08 23:49:00,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:00,607 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-08 23:49:01,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:01,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 2860 states and 3215 transitions. [2018-12-08 23:49:01,019 INFO L276 IsEmpty]: Start isEmpty. Operand 2860 states and 3215 transitions. [2018-12-08 23:49:01,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-08 23:49:01,020 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:01,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:01,068 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-08 23:49:01,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:01,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3230 states to 2876 states and 3230 transitions. [2018-12-08 23:49:01,320 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 3230 transitions. [2018-12-08 23:49:01,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-08 23:49:01,321 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:01,405 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 228 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 23:49:02,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:02,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3263 states to 2901 states and 3263 transitions. [2018-12-08 23:49:02,665 INFO L276 IsEmpty]: Start isEmpty. Operand 2901 states and 3263 transitions. [2018-12-08 23:49:02,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-08 23:49:02,667 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:02,801 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 228 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 23:49:03,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:03,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3276 states to 2913 states and 3276 transitions. [2018-12-08 23:49:03,192 INFO L276 IsEmpty]: Start isEmpty. Operand 2913 states and 3276 transitions. [2018-12-08 23:49:03,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-08 23:49:03,194 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:03,293 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 228 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 23:49:04,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:04,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3281 states to 2917 states and 3281 transitions. [2018-12-08 23:49:04,210 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 3281 transitions. [2018-12-08 23:49:04,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-08 23:49:04,211 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:04,306 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 228 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 23:49:04,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:04,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3281 states to 2918 states and 3281 transitions. [2018-12-08 23:49:04,796 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 3281 transitions. [2018-12-08 23:49:04,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-08 23:49:04,798 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:04,903 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-12-08 23:49:10,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:10,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3345 states to 2980 states and 3345 transitions. [2018-12-08 23:49:10,942 INFO L276 IsEmpty]: Start isEmpty. Operand 2980 states and 3345 transitions. [2018-12-08 23:49:10,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-08 23:49:10,943 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:11,046 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-12-08 23:49:14,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:14,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3385 states to 3022 states and 3385 transitions. [2018-12-08 23:49:14,351 INFO L276 IsEmpty]: Start isEmpty. Operand 3022 states and 3385 transitions. [2018-12-08 23:49:14,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-08 23:49:14,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:14,443 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 23:49:16,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:16,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3449 states to 3084 states and 3449 transitions. [2018-12-08 23:49:16,345 INFO L276 IsEmpty]: Start isEmpty. Operand 3084 states and 3449 transitions. [2018-12-08 23:49:16,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-08 23:49:16,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:16,426 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 23:49:18,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:18,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3465 states to 3100 states and 3465 transitions. [2018-12-08 23:49:18,938 INFO L276 IsEmpty]: Start isEmpty. Operand 3100 states and 3465 transitions. [2018-12-08 23:49:18,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-08 23:49:18,939 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:19,020 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 23:49:19,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:19,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3478 states to 3114 states and 3478 transitions. [2018-12-08 23:49:19,507 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 3478 transitions. [2018-12-08 23:49:19,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-08 23:49:19,509 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:19,614 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-12-08 23:49:20,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:20,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3496 states to 3130 states and 3496 transitions. [2018-12-08 23:49:20,655 INFO L276 IsEmpty]: Start isEmpty. Operand 3130 states and 3496 transitions. [2018-12-08 23:49:20,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-08 23:49:20,657 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:20,731 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-12-08 23:49:21,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:21,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3501 states to 3134 states and 3501 transitions. [2018-12-08 23:49:21,267 INFO L276 IsEmpty]: Start isEmpty. Operand 3134 states and 3501 transitions. [2018-12-08 23:49:21,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-08 23:49:21,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:21,337 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-12-08 23:49:21,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:21,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3501 states to 3135 states and 3501 transitions. [2018-12-08 23:49:21,708 INFO L276 IsEmpty]: Start isEmpty. Operand 3135 states and 3501 transitions. [2018-12-08 23:49:21,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-08 23:49:21,710 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:21,783 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 305 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-08 23:49:22,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:22,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3535 states to 3169 states and 3535 transitions. [2018-12-08 23:49:22,233 INFO L276 IsEmpty]: Start isEmpty. Operand 3169 states and 3535 transitions. [2018-12-08 23:49:22,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-08 23:49:22,234 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:22,305 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 305 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-08 23:49:23,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:23,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3551 states to 3185 states and 3551 transitions. [2018-12-08 23:49:23,041 INFO L276 IsEmpty]: Start isEmpty. Operand 3185 states and 3551 transitions. [2018-12-08 23:49:23,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-08 23:49:23,043 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:23,112 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 305 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-08 23:49:23,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:23,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3199 states and 3564 transitions. [2018-12-08 23:49:23,508 INFO L276 IsEmpty]: Start isEmpty. Operand 3199 states and 3564 transitions. [2018-12-08 23:49:23,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-08 23:49:23,509 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:23,547 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-12-08 23:49:23,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:23,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3567 states to 3203 states and 3567 transitions. [2018-12-08 23:49:23,585 INFO L276 IsEmpty]: Start isEmpty. Operand 3203 states and 3567 transitions. [2018-12-08 23:49:23,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-08 23:49:23,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:23,625 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-12-08 23:49:24,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:24,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3573 states to 3210 states and 3573 transitions. [2018-12-08 23:49:24,052 INFO L276 IsEmpty]: Start isEmpty. Operand 3210 states and 3573 transitions. [2018-12-08 23:49:24,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-08 23:49:24,053 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:24,092 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-12-08 23:49:24,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:24,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3576 states to 3214 states and 3576 transitions. [2018-12-08 23:49:24,519 INFO L276 IsEmpty]: Start isEmpty. Operand 3214 states and 3576 transitions. [2018-12-08 23:49:24,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-08 23:49:24,521 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:24,560 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-12-08 23:49:24,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:24,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3578 states to 3217 states and 3578 transitions. [2018-12-08 23:49:24,784 INFO L276 IsEmpty]: Start isEmpty. Operand 3217 states and 3578 transitions. [2018-12-08 23:49:24,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-08 23:49:24,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:24,824 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 23:49:25,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:25,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3590 states to 3227 states and 3590 transitions. [2018-12-08 23:49:25,020 INFO L276 IsEmpty]: Start isEmpty. Operand 3227 states and 3590 transitions. [2018-12-08 23:49:25,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-08 23:49:25,021 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:26,136 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 282 proven. 28 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-12-08 23:49:28,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:28,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3619 states to 3247 states and 3619 transitions. [2018-12-08 23:49:28,690 INFO L276 IsEmpty]: Start isEmpty. Operand 3247 states and 3619 transitions. [2018-12-08 23:49:28,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-08 23:49:28,692 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:28,767 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 266 proven. 8 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-08 23:49:29,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:29,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3683 states to 3308 states and 3683 transitions. [2018-12-08 23:49:29,348 INFO L276 IsEmpty]: Start isEmpty. Operand 3308 states and 3683 transitions. [2018-12-08 23:49:29,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-08 23:49:29,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:29,430 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 266 proven. 8 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-08 23:49:29,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:29,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3687 states to 3313 states and 3687 transitions. [2018-12-08 23:49:29,820 INFO L276 IsEmpty]: Start isEmpty. Operand 3313 states and 3687 transitions. [2018-12-08 23:49:29,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-08 23:49:29,822 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:29,898 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 266 proven. 8 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-08 23:49:29,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:29,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3710 states to 3337 states and 3710 transitions. [2018-12-08 23:49:29,994 INFO L276 IsEmpty]: Start isEmpty. Operand 3337 states and 3710 transitions. [2018-12-08 23:49:29,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-08 23:49:29,995 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:31,728 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 23:49:33,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:33,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3728 states to 3353 states and 3728 transitions. [2018-12-08 23:49:33,516 INFO L276 IsEmpty]: Start isEmpty. Operand 3353 states and 3728 transitions. [2018-12-08 23:49:33,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-08 23:49:33,517 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:33,685 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 23:49:40,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:40,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3773 states to 3397 states and 3773 transitions. [2018-12-08 23:49:40,336 INFO L276 IsEmpty]: Start isEmpty. Operand 3397 states and 3773 transitions. [2018-12-08 23:49:40,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-08 23:49:40,338 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:40,472 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 23:49:44,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:44,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3804 states to 3428 states and 3804 transitions. [2018-12-08 23:49:44,013 INFO L276 IsEmpty]: Start isEmpty. Operand 3428 states and 3804 transitions. [2018-12-08 23:49:44,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-08 23:49:44,015 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:44,147 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 23:49:48,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:48,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3835 states to 3460 states and 3835 transitions. [2018-12-08 23:49:48,671 INFO L276 IsEmpty]: Start isEmpty. Operand 3460 states and 3835 transitions. [2018-12-08 23:49:48,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-08 23:49:48,672 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:48,728 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 311 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-12-08 23:49:49,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:49,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3865 states to 3491 states and 3865 transitions. [2018-12-08 23:49:49,200 INFO L276 IsEmpty]: Start isEmpty. Operand 3491 states and 3865 transitions. [2018-12-08 23:49:49,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-08 23:49:49,201 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:49,257 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 311 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-12-08 23:49:49,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:49,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3880 states to 3507 states and 3880 transitions. [2018-12-08 23:49:49,506 INFO L276 IsEmpty]: Start isEmpty. Operand 3507 states and 3880 transitions. [2018-12-08 23:49:49,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-08 23:49:49,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:49,550 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-12-08 23:49:50,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:50,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3892 states to 3515 states and 3892 transitions. [2018-12-08 23:49:50,334 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 3892 transitions. [2018-12-08 23:49:50,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-12-08 23:49:50,336 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:50,401 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 344 proven. 4 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-08 23:49:51,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:51,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3929 states to 3547 states and 3929 transitions. [2018-12-08 23:49:51,444 INFO L276 IsEmpty]: Start isEmpty. Operand 3547 states and 3929 transitions. [2018-12-08 23:49:51,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-12-08 23:49:51,446 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:51,516 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 344 proven. 4 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-08 23:49:52,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:52,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3944 states to 3563 states and 3944 transitions. [2018-12-08 23:49:52,445 INFO L276 IsEmpty]: Start isEmpty. Operand 3563 states and 3944 transitions. [2018-12-08 23:49:52,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-12-08 23:49:52,446 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:52,511 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 344 proven. 4 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-08 23:49:52,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:49:52,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3959 states to 3579 states and 3959 transitions. [2018-12-08 23:49:52,987 INFO L276 IsEmpty]: Start isEmpty. Operand 3579 states and 3959 transitions. [2018-12-08 23:49:52,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-08 23:49:52,989 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:49:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:49:54,024 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 336 proven. 61 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-12-08 23:50:00,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:00,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4004 states to 3618 states and 4004 transitions. [2018-12-08 23:50:00,267 INFO L276 IsEmpty]: Start isEmpty. Operand 3618 states and 4004 transitions. [2018-12-08 23:50:00,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-08 23:50:00,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:00,722 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 336 proven. 61 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-12-08 23:50:01,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:01,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4015 states to 3630 states and 4015 transitions. [2018-12-08 23:50:01,706 INFO L276 IsEmpty]: Start isEmpty. Operand 3630 states and 4015 transitions. [2018-12-08 23:50:01,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-08 23:50:01,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:01,848 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 23:50:03,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:03,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4027 states to 3639 states and 4027 transitions. [2018-12-08 23:50:03,647 INFO L276 IsEmpty]: Start isEmpty. Operand 3639 states and 4027 transitions. [2018-12-08 23:50:03,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-08 23:50:03,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:03,800 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 23:50:04,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:04,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4038 states to 3650 states and 4038 transitions. [2018-12-08 23:50:04,282 INFO L276 IsEmpty]: Start isEmpty. Operand 3650 states and 4038 transitions. [2018-12-08 23:50:04,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-08 23:50:04,283 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:04,424 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 23:50:05,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:05,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4060 states to 3670 states and 4060 transitions. [2018-12-08 23:50:05,095 INFO L276 IsEmpty]: Start isEmpty. Operand 3670 states and 4060 transitions. [2018-12-08 23:50:05,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-08 23:50:05,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:05,234 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 23:50:05,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:05,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4060 states to 3671 states and 4060 transitions. [2018-12-08 23:50:05,657 INFO L276 IsEmpty]: Start isEmpty. Operand 3671 states and 4060 transitions. [2018-12-08 23:50:05,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-08 23:50:05,659 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:05,804 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 23:50:06,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:06,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4064 states to 3675 states and 4064 transitions. [2018-12-08 23:50:06,378 INFO L276 IsEmpty]: Start isEmpty. Operand 3675 states and 4064 transitions. [2018-12-08 23:50:06,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-08 23:50:06,380 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:06,518 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 23:50:06,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:06,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4065 states to 3677 states and 4065 transitions. [2018-12-08 23:50:06,931 INFO L276 IsEmpty]: Start isEmpty. Operand 3677 states and 4065 transitions. [2018-12-08 23:50:06,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-12-08 23:50:06,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:07,046 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 229 proven. 20 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2018-12-08 23:50:07,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:07,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4081 states to 3693 states and 4081 transitions. [2018-12-08 23:50:07,529 INFO L276 IsEmpty]: Start isEmpty. Operand 3693 states and 4081 transitions. [2018-12-08 23:50:07,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-08 23:50:07,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:07,643 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 404 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 23:50:08,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:08,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4124 states to 3733 states and 4124 transitions. [2018-12-08 23:50:08,350 INFO L276 IsEmpty]: Start isEmpty. Operand 3733 states and 4124 transitions. [2018-12-08 23:50:08,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-08 23:50:08,352 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:08,883 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-08 23:50:13,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:13,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4207 states to 3811 states and 4207 transitions. [2018-12-08 23:50:13,218 INFO L276 IsEmpty]: Start isEmpty. Operand 3811 states and 4207 transitions. [2018-12-08 23:50:13,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-08 23:50:13,220 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:13,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:13,347 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-08 23:50:15,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:15,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4223 states to 3827 states and 4223 transitions. [2018-12-08 23:50:15,257 INFO L276 IsEmpty]: Start isEmpty. Operand 3827 states and 4223 transitions. [2018-12-08 23:50:15,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-08 23:50:15,260 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:15,427 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-08 23:50:16,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:16,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4236 states to 3841 states and 4236 transitions. [2018-12-08 23:50:16,809 INFO L276 IsEmpty]: Start isEmpty. Operand 3841 states and 4236 transitions. [2018-12-08 23:50:16,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-12-08 23:50:16,811 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:16,920 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 402 proven. 4 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-08 23:50:17,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:17,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4240 states to 3846 states and 4240 transitions. [2018-12-08 23:50:17,190 INFO L276 IsEmpty]: Start isEmpty. Operand 3846 states and 4240 transitions. [2018-12-08 23:50:17,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-12-08 23:50:17,192 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:17,307 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 402 proven. 4 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-08 23:50:17,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:17,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4244 states to 3851 states and 4244 transitions. [2018-12-08 23:50:17,812 INFO L276 IsEmpty]: Start isEmpty. Operand 3851 states and 4244 transitions. [2018-12-08 23:50:17,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-08 23:50:17,814 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:17,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:20,259 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-08 23:50:27,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:27,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4275 states to 3880 states and 4275 transitions. [2018-12-08 23:50:27,081 INFO L276 IsEmpty]: Start isEmpty. Operand 3880 states and 4275 transitions. [2018-12-08 23:50:27,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-08 23:50:27,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:27,283 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-08 23:50:28,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:28,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4287 states to 3893 states and 4287 transitions. [2018-12-08 23:50:28,157 INFO L276 IsEmpty]: Start isEmpty. Operand 3893 states and 4287 transitions. [2018-12-08 23:50:28,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-08 23:50:28,159 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:28,324 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-08 23:50:28,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:28,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4289 states to 3895 states and 4289 transitions. [2018-12-08 23:50:28,721 INFO L276 IsEmpty]: Start isEmpty. Operand 3895 states and 4289 transitions. [2018-12-08 23:50:28,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-08 23:50:28,723 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:28,868 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 441 proven. 4 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-08 23:50:28,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:28,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4293 states to 3900 states and 4293 transitions. [2018-12-08 23:50:28,923 INFO L276 IsEmpty]: Start isEmpty. Operand 3900 states and 4293 transitions. [2018-12-08 23:50:28,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-12-08 23:50:28,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:29,790 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 447 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-12-08 23:50:30,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:30,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4312 states to 3916 states and 4312 transitions. [2018-12-08 23:50:30,926 INFO L276 IsEmpty]: Start isEmpty. Operand 3916 states and 4312 transitions. [2018-12-08 23:50:30,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-08 23:50:30,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:31,032 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-08 23:50:32,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:32,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4326 states to 3928 states and 4326 transitions. [2018-12-08 23:50:32,872 INFO L276 IsEmpty]: Start isEmpty. Operand 3928 states and 4326 transitions. [2018-12-08 23:50:32,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-08 23:50:32,874 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:32,975 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-08 23:50:34,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:34,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4336 states to 3939 states and 4336 transitions. [2018-12-08 23:50:34,852 INFO L276 IsEmpty]: Start isEmpty. Operand 3939 states and 4336 transitions. [2018-12-08 23:50:34,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-08 23:50:34,854 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:34,997 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-08 23:50:35,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:35,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4353 states to 3955 states and 4353 transitions. [2018-12-08 23:50:35,938 INFO L276 IsEmpty]: Start isEmpty. Operand 3955 states and 4353 transitions. [2018-12-08 23:50:35,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-08 23:50:35,940 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:36,047 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-08 23:50:36,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:36,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4362 states to 3965 states and 4362 transitions. [2018-12-08 23:50:36,855 INFO L276 IsEmpty]: Start isEmpty. Operand 3965 states and 4362 transitions. [2018-12-08 23:50:36,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-08 23:50:36,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:36,963 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-08 23:50:37,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:37,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4366 states to 3969 states and 4366 transitions. [2018-12-08 23:50:37,356 INFO L276 IsEmpty]: Start isEmpty. Operand 3969 states and 4366 transitions. [2018-12-08 23:50:37,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-08 23:50:37,358 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:37,501 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-08 23:50:38,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:38,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4366 states to 3970 states and 4366 transitions. [2018-12-08 23:50:38,151 INFO L276 IsEmpty]: Start isEmpty. Operand 3970 states and 4366 transitions. [2018-12-08 23:50:38,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-08 23:50:38,153 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:38,257 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-08 23:50:38,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:38,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4378 states to 3982 states and 4378 transitions. [2018-12-08 23:50:38,782 INFO L276 IsEmpty]: Start isEmpty. Operand 3982 states and 4378 transitions. [2018-12-08 23:50:38,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-08 23:50:38,784 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:38,891 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-08 23:50:40,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:40,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4382 states to 3986 states and 4382 transitions. [2018-12-08 23:50:40,066 INFO L276 IsEmpty]: Start isEmpty. Operand 3986 states and 4382 transitions. [2018-12-08 23:50:40,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-12-08 23:50:40,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:40,196 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 371 proven. 12 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2018-12-08 23:50:40,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:40,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4396 states to 4000 states and 4396 transitions. [2018-12-08 23:50:40,315 INFO L276 IsEmpty]: Start isEmpty. Operand 4000 states and 4396 transitions. [2018-12-08 23:50:40,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-12-08 23:50:40,317 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:40,435 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 371 proven. 12 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2018-12-08 23:50:40,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:40,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4401 states to 4006 states and 4401 transitions. [2018-12-08 23:50:40,522 INFO L276 IsEmpty]: Start isEmpty. Operand 4006 states and 4401 transitions. [2018-12-08 23:50:40,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-12-08 23:50:40,524 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:40,693 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 371 proven. 12 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2018-12-08 23:50:41,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:41,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4422 states to 4028 states and 4422 transitions. [2018-12-08 23:50:41,045 INFO L276 IsEmpty]: Start isEmpty. Operand 4028 states and 4422 transitions. [2018-12-08 23:50:41,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-12-08 23:50:41,047 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:41,159 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 371 proven. 12 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2018-12-08 23:50:41,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:41,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4442 states to 4048 states and 4442 transitions. [2018-12-08 23:50:41,917 INFO L276 IsEmpty]: Start isEmpty. Operand 4048 states and 4442 transitions. [2018-12-08 23:50:41,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-12-08 23:50:41,919 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:42,038 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 371 proven. 12 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2018-12-08 23:50:42,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:42,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4462 states to 4069 states and 4462 transitions. [2018-12-08 23:50:42,386 INFO L276 IsEmpty]: Start isEmpty. Operand 4069 states and 4462 transitions. [2018-12-08 23:50:42,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-08 23:50:42,388 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:42,478 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-12-08 23:50:43,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:43,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4479 states to 4087 states and 4479 transitions. [2018-12-08 23:50:43,005 INFO L276 IsEmpty]: Start isEmpty. Operand 4087 states and 4479 transitions. [2018-12-08 23:50:43,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-08 23:50:43,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:43,142 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-12-08 23:50:43,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:43,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4496 states to 4104 states and 4496 transitions. [2018-12-08 23:50:43,696 INFO L276 IsEmpty]: Start isEmpty. Operand 4104 states and 4496 transitions. [2018-12-08 23:50:43,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-08 23:50:43,698 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:43,788 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-12-08 23:50:43,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:43,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4511 states to 4119 states and 4511 transitions. [2018-12-08 23:50:43,881 INFO L276 IsEmpty]: Start isEmpty. Operand 4119 states and 4511 transitions. [2018-12-08 23:50:43,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2018-12-08 23:50:43,883 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:44,208 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 616 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-08 23:50:50,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:50,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4624 states to 4217 states and 4624 transitions. [2018-12-08 23:50:50,608 INFO L276 IsEmpty]: Start isEmpty. Operand 4217 states and 4624 transitions. [2018-12-08 23:50:50,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2018-12-08 23:50:50,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:50,760 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 616 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-08 23:50:52,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:52,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4640 states to 4233 states and 4640 transitions. [2018-12-08 23:50:52,703 INFO L276 IsEmpty]: Start isEmpty. Operand 4233 states and 4640 transitions. [2018-12-08 23:50:52,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2018-12-08 23:50:52,705 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:52,856 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 616 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-08 23:50:54,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:54,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4653 states to 4247 states and 4653 transitions. [2018-12-08 23:50:54,417 INFO L276 IsEmpty]: Start isEmpty. Operand 4247 states and 4653 transitions. [2018-12-08 23:50:54,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-12-08 23:50:54,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:54,922 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 591 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2018-12-08 23:50:56,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:56,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4670 states to 4263 states and 4670 transitions. [2018-12-08 23:50:56,009 INFO L276 IsEmpty]: Start isEmpty. Operand 4263 states and 4670 transitions. [2018-12-08 23:50:56,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2018-12-08 23:50:56,011 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:56,090 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 602 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2018-12-08 23:50:57,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:57,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4688 states to 4279 states and 4688 transitions. [2018-12-08 23:50:57,556 INFO L276 IsEmpty]: Start isEmpty. Operand 4279 states and 4688 transitions. [2018-12-08 23:50:57,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2018-12-08 23:50:57,559 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:57,637 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 602 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2018-12-08 23:50:58,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:58,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4692 states to 4283 states and 4692 transitions. [2018-12-08 23:50:58,152 INFO L276 IsEmpty]: Start isEmpty. Operand 4283 states and 4692 transitions. [2018-12-08 23:50:58,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2018-12-08 23:50:58,154 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:58,280 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 602 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2018-12-08 23:50:58,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:58,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4696 states to 4287 states and 4696 transitions. [2018-12-08 23:50:58,839 INFO L276 IsEmpty]: Start isEmpty. Operand 4287 states and 4696 transitions. [2018-12-08 23:50:58,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2018-12-08 23:50:58,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:50:58,919 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 602 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2018-12-08 23:50:59,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:50:59,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4712 states to 4303 states and 4712 transitions. [2018-12-08 23:50:59,516 INFO L276 IsEmpty]: Start isEmpty. Operand 4303 states and 4712 transitions. [2018-12-08 23:50:59,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2018-12-08 23:50:59,518 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:50:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:51:00,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 634 proven. 103 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2018-12-08 23:51:08,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:51:08,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4757 states to 4336 states and 4757 transitions. [2018-12-08 23:51:08,810 INFO L276 IsEmpty]: Start isEmpty. Operand 4336 states and 4757 transitions. [2018-12-08 23:51:08,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2018-12-08 23:51:08,812 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:51:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:51:08,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 809 proven. 16 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2018-12-08 23:51:20,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:51:20,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4821 states to 4384 states and 4821 transitions. [2018-12-08 23:51:20,998 INFO L276 IsEmpty]: Start isEmpty. Operand 4384 states and 4821 transitions. [2018-12-08 23:51:21,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2018-12-08 23:51:21,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:51:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:51:21,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 809 proven. 16 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2018-12-08 23:51:23,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:51:23,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4836 states to 4396 states and 4836 transitions. [2018-12-08 23:51:23,565 INFO L276 IsEmpty]: Start isEmpty. Operand 4396 states and 4836 transitions. [2018-12-08 23:51:23,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2018-12-08 23:51:23,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:51:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:51:23,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 809 proven. 16 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2018-12-08 23:51:27,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:51:27,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4881 states to 4435 states and 4881 transitions. [2018-12-08 23:51:27,098 INFO L276 IsEmpty]: Start isEmpty. Operand 4435 states and 4881 transitions. [2018-12-08 23:51:27,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2018-12-08 23:51:27,100 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:51:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:51:27,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 809 proven. 16 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2018-12-08 23:51:28,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:51:28,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4907 states to 4457 states and 4907 transitions. [2018-12-08 23:51:28,740 INFO L276 IsEmpty]: Start isEmpty. Operand 4457 states and 4907 transitions. [2018-12-08 23:51:28,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2018-12-08 23:51:28,742 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:51:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:51:28,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 809 proven. 16 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2018-12-08 23:51:29,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:51:29,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4911 states to 4461 states and 4911 transitions. [2018-12-08 23:51:29,535 INFO L276 IsEmpty]: Start isEmpty. Operand 4461 states and 4911 transitions. [2018-12-08 23:51:29,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2018-12-08 23:51:29,538 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:51:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:51:29,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 809 proven. 16 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2018-12-08 23:51:30,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:51:30,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4922 states to 4473 states and 4922 transitions. [2018-12-08 23:51:30,414 INFO L276 IsEmpty]: Start isEmpty. Operand 4473 states and 4922 transitions. [2018-12-08 23:51:30,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2018-12-08 23:51:30,418 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:51:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:51:30,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 809 proven. 16 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2018-12-08 23:51:31,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:51:31,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4927 states to 4477 states and 4927 transitions. [2018-12-08 23:51:31,157 INFO L276 IsEmpty]: Start isEmpty. Operand 4477 states and 4927 transitions. [2018-12-08 23:51:31,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2018-12-08 23:51:31,159 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:51:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:51:31,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 741 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2018-12-08 23:51:31,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:51:31,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4931 states to 4480 states and 4931 transitions. [2018-12-08 23:51:31,924 INFO L276 IsEmpty]: Start isEmpty. Operand 4480 states and 4931 transitions. [2018-12-08 23:51:31,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2018-12-08 23:51:31,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:51:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:51:32,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 741 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2018-12-08 23:51:32,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:51:32,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4943 states to 4492 states and 4943 transitions. [2018-12-08 23:51:32,644 INFO L276 IsEmpty]: Start isEmpty. Operand 4492 states and 4943 transitions. [2018-12-08 23:51:32,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2018-12-08 23:51:32,646 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:51:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:51:32,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 741 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2018-12-08 23:51:33,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:51:33,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4947 states to 4495 states and 4947 transitions. [2018-12-08 23:51:33,008 INFO L276 IsEmpty]: Start isEmpty. Operand 4495 states and 4947 transitions. [2018-12-08 23:51:33,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2018-12-08 23:51:33,010 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:51:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:51:33,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 741 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2018-12-08 23:51:34,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:51:34,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4962 states to 4510 states and 4962 transitions. [2018-12-08 23:51:34,359 INFO L276 IsEmpty]: Start isEmpty. Operand 4510 states and 4962 transitions. [2018-12-08 23:51:34,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2018-12-08 23:51:34,361 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:51:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:51:34,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 590 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2018-12-08 23:51:36,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:51:36,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4996 states to 4547 states and 4996 transitions. [2018-12-08 23:51:36,283 INFO L276 IsEmpty]: Start isEmpty. Operand 4547 states and 4996 transitions. [2018-12-08 23:51:36,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2018-12-08 23:51:36,286 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:51:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:51:36,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 590 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2018-12-08 23:51:36,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:51:36,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5000 states to 4552 states and 5000 transitions. [2018-12-08 23:51:36,813 INFO L276 IsEmpty]: Start isEmpty. Operand 4552 states and 5000 transitions. [2018-12-08 23:51:36,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2018-12-08 23:51:36,815 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:51:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:51:36,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 590 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2018-12-08 23:51:37,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:51:37,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5013 states to 4566 states and 5013 transitions. [2018-12-08 23:51:37,634 INFO L276 IsEmpty]: Start isEmpty. Operand 4566 states and 5013 transitions. [2018-12-08 23:51:37,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2018-12-08 23:51:37,636 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:51:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:51:37,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 590 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2018-12-08 23:51:38,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:51:38,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5028 states to 4582 states and 5028 transitions. [2018-12-08 23:51:38,693 INFO L276 IsEmpty]: Start isEmpty. Operand 4582 states and 5028 transitions. [2018-12-08 23:51:38,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2018-12-08 23:51:38,695 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:51:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:51:39,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1206 backedges. 841 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2018-12-08 23:51:44,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:51:44,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5132 states to 4681 states and 5132 transitions. [2018-12-08 23:51:44,257 INFO L276 IsEmpty]: Start isEmpty. Operand 4681 states and 5132 transitions. [2018-12-08 23:51:44,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2018-12-08 23:51:44,261 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:51:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:51:44,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 699 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2018-12-08 23:51:44,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:51:44,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5133 states to 4683 states and 5133 transitions. [2018-12-08 23:51:44,633 INFO L276 IsEmpty]: Start isEmpty. Operand 4683 states and 5133 transitions. [2018-12-08 23:51:44,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2018-12-08 23:51:44,635 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:51:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:51:44,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 757 proven. 0 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2018-12-08 23:51:46,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:51:46,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5154 states to 4705 states and 5154 transitions. [2018-12-08 23:51:46,556 INFO L276 IsEmpty]: Start isEmpty. Operand 4705 states and 5154 transitions. [2018-12-08 23:51:46,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2018-12-08 23:51:46,559 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:51:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:51:46,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 891 proven. 4 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2018-12-08 23:51:52,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:51:52,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5194 states to 4735 states and 5194 transitions. [2018-12-08 23:51:52,291 INFO L276 IsEmpty]: Start isEmpty. Operand 4735 states and 5194 transitions. [2018-12-08 23:51:52,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2018-12-08 23:51:52,293 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:51:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:51:52,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 891 proven. 4 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2018-12-08 23:51:57,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:51:57,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5227 states to 4764 states and 5227 transitions. [2018-12-08 23:51:57,087 INFO L276 IsEmpty]: Start isEmpty. Operand 4764 states and 5227 transitions. [2018-12-08 23:51:57,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2018-12-08 23:51:57,090 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:51:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:51:57,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 891 proven. 4 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2018-12-08 23:51:58,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:51:58,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5240 states to 4774 states and 5240 transitions. [2018-12-08 23:51:58,856 INFO L276 IsEmpty]: Start isEmpty. Operand 4774 states and 5240 transitions. [2018-12-08 23:51:58,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2018-12-08 23:51:58,859 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:51:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:51:58,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 891 proven. 4 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2018-12-08 23:52:00,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:52:00,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5244 states to 4778 states and 5244 transitions. [2018-12-08 23:52:00,399 INFO L276 IsEmpty]: Start isEmpty. Operand 4778 states and 5244 transitions. [2018-12-08 23:52:00,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2018-12-08 23:52:00,401 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:52:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:52:00,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 891 proven. 4 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2018-12-08 23:52:01,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:52:01,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5255 states to 4790 states and 5255 transitions. [2018-12-08 23:52:01,174 INFO L276 IsEmpty]: Start isEmpty. Operand 4790 states and 5255 transitions. [2018-12-08 23:52:01,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2018-12-08 23:52:01,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:52:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:52:01,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 891 proven. 4 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2018-12-08 23:52:01,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:52:01,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5258 states to 4794 states and 5258 transitions. [2018-12-08 23:52:01,956 INFO L276 IsEmpty]: Start isEmpty. Operand 4794 states and 5258 transitions. [2018-12-08 23:52:01,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2018-12-08 23:52:01,958 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:52:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:52:03,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 864 proven. 110 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2018-12-08 23:52:09,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:52:09,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5295 states to 4826 states and 5295 transitions. [2018-12-08 23:52:09,991 INFO L276 IsEmpty]: Start isEmpty. Operand 4826 states and 5295 transitions. [2018-12-08 23:52:09,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2018-12-08 23:52:09,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:52:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:52:10,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 864 proven. 110 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2018-12-08 23:52:10,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:52:10,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5301 states to 4832 states and 5301 transitions. [2018-12-08 23:52:10,794 INFO L276 IsEmpty]: Start isEmpty. Operand 4832 states and 5301 transitions. [2018-12-08 23:52:10,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2018-12-08 23:52:10,797 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:52:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:52:10,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1365 backedges. 878 proven. 0 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2018-12-08 23:52:11,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:52:11,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5314 states to 4846 states and 5314 transitions. [2018-12-08 23:52:11,566 INFO L276 IsEmpty]: Start isEmpty. Operand 4846 states and 5314 transitions. [2018-12-08 23:52:11,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2018-12-08 23:52:11,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:52:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:52:14,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1441 backedges. 776 proven. 0 refuted. 0 times theorem prover too weak. 665 trivial. 0 not checked. [2018-12-08 23:52:22,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:52:22,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5348 states to 4873 states and 5348 transitions. [2018-12-08 23:52:22,975 INFO L276 IsEmpty]: Start isEmpty. Operand 4873 states and 5348 transitions. [2018-12-08 23:52:22,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2018-12-08 23:52:22,978 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:52:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:52:23,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1441 backedges. 776 proven. 0 refuted. 0 times theorem prover too weak. 665 trivial. 0 not checked. [2018-12-08 23:52:24,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:52:24,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5352 states to 4876 states and 5352 transitions. [2018-12-08 23:52:24,672 INFO L276 IsEmpty]: Start isEmpty. Operand 4876 states and 5352 transitions. [2018-12-08 23:52:24,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2018-12-08 23:52:24,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:52:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:52:25,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1566 backedges. 1059 proven. 4 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2018-12-08 23:52:26,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:52:26,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5347 states to 4872 states and 5347 transitions. [2018-12-08 23:52:26,211 INFO L276 IsEmpty]: Start isEmpty. Operand 4872 states and 5347 transitions. [2018-12-08 23:52:26,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2018-12-08 23:52:26,213 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:52:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:52:27,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 991 proven. 4 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2018-12-08 23:52:33,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:52:33,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5373 states to 4893 states and 5373 transitions. [2018-12-08 23:52:33,537 INFO L276 IsEmpty]: Start isEmpty. Operand 4893 states and 5373 transitions. [2018-12-08 23:52:33,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2018-12-08 23:52:33,539 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:52:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:52:33,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 991 proven. 4 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2018-12-08 23:52:34,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:52:34,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5381 states to 4902 states and 5381 transitions. [2018-12-08 23:52:34,598 INFO L276 IsEmpty]: Start isEmpty. Operand 4902 states and 5381 transitions. [2018-12-08 23:52:34,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2018-12-08 23:52:34,601 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:52:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:52:34,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1592 backedges. 1014 proven. 4 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2018-12-08 23:52:35,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:52:35,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5428 states to 4950 states and 5428 transitions. [2018-12-08 23:52:35,077 INFO L276 IsEmpty]: Start isEmpty. Operand 4950 states and 5428 transitions. [2018-12-08 23:52:35,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2018-12-08 23:52:35,080 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:52:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:52:35,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1628 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 913 trivial. 0 not checked. [2018-12-08 23:52:35,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:52:35,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5443 states to 4965 states and 5443 transitions. [2018-12-08 23:52:35,721 INFO L276 IsEmpty]: Start isEmpty. Operand 4965 states and 5443 transitions. [2018-12-08 23:52:35,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2018-12-08 23:52:35,724 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:52:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:52:35,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1628 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 913 trivial. 0 not checked. [2018-12-08 23:52:38,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:52:38,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5458 states to 4980 states and 5458 transitions. [2018-12-08 23:52:38,130 INFO L276 IsEmpty]: Start isEmpty. Operand 4980 states and 5458 transitions. [2018-12-08 23:52:38,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 583 [2018-12-08 23:52:38,133 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:52:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:52:38,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1865 backedges. 1154 proven. 0 refuted. 0 times theorem prover too weak. 711 trivial. 0 not checked. [2018-12-08 23:52:39,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:52:39,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5472 states to 4993 states and 5472 transitions. [2018-12-08 23:52:39,890 INFO L276 IsEmpty]: Start isEmpty. Operand 4993 states and 5472 transitions. [2018-12-08 23:52:39,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 583 [2018-12-08 23:52:39,893 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:52:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:52:40,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1865 backedges. 1154 proven. 0 refuted. 0 times theorem prover too weak. 711 trivial. 0 not checked. [2018-12-08 23:52:41,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:52:41,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5479 states to 5002 states and 5479 transitions. [2018-12-08 23:52:41,105 INFO L276 IsEmpty]: Start isEmpty. Operand 5002 states and 5479 transitions. [2018-12-08 23:52:41,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2018-12-08 23:52:41,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:52:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:52:41,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1960 backedges. 686 proven. 24 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2018-12-08 23:52:42,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:52:42,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5489 states to 5011 states and 5489 transitions. [2018-12-08 23:52:42,546 INFO L276 IsEmpty]: Start isEmpty. Operand 5011 states and 5489 transitions. [2018-12-08 23:52:42,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2018-12-08 23:52:42,549 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:52:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:52:42,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1960 backedges. 686 proven. 24 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2018-12-08 23:52:43,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:52:43,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3242 states to 3025 states and 3242 transitions. [2018-12-08 23:52:43,981 INFO L276 IsEmpty]: Start isEmpty. Operand 3025 states and 3242 transitions. [2018-12-08 23:52:43,982 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 23:52:43,982 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 255 iterations. [2018-12-08 23:52:43,988 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 23:52:44,272 WARN L180 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 54 [2018-12-08 23:52:44,460 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 44 [2018-12-08 23:52:44,821 WARN L180 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 55 [2018-12-08 23:52:44,932 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2018-12-08 23:52:45,165 WARN L180 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 57 [2018-12-08 23:52:45,427 WARN L180 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 55 [2018-12-08 23:52:45,629 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 41 [2018-12-08 23:52:45,861 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 44 [2018-12-08 23:52:45,971 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 38 [2018-12-08 23:52:46,156 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 45 [2018-12-08 23:52:46,457 WARN L180 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 55 [2018-12-08 23:52:46,724 WARN L180 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 55 [2018-12-08 23:52:46,826 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2018-12-08 23:52:47,008 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 45 [2018-12-08 23:52:47,112 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2018-12-08 23:52:47,282 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 42 [2018-12-08 23:52:47,448 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 42 [2018-12-08 23:52:47,618 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 42 [2018-12-08 23:52:47,779 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 42 [2018-12-08 23:52:48,004 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 53 [2018-12-08 23:52:48,242 WARN L180 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 46 [2018-12-08 23:52:48,429 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 44 [2018-12-08 23:52:48,596 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 42 [2018-12-08 23:52:48,804 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 41 [2018-12-08 23:52:49,073 WARN L180 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 55 [2018-12-08 23:52:49,261 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 44 [2018-12-08 23:52:49,441 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 44 [2018-12-08 23:52:49,610 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 42 [2018-12-08 23:52:49,961 WARN L180 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 66 [2018-12-08 23:52:50,137 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 42 [2018-12-08 23:52:50,342 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 44 [2018-12-08 23:52:50,515 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 42 [2018-12-08 23:52:50,777 WARN L180 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 54 [2018-12-08 23:52:50,965 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 45 [2018-12-08 23:52:51,227 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 55 [2018-12-08 23:52:51,415 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 42 [2018-12-08 23:52:51,655 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 53 [2018-12-08 23:52:51,835 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 44 [2018-12-08 23:52:52,018 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 42 [2018-12-08 23:52:52,259 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 54 [2018-12-08 23:52:52,426 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 42 [2018-12-08 23:52:52,581 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 42 [2018-12-08 23:52:52,820 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 55 [2018-12-08 23:52:53,187 WARN L180 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 56 [2018-12-08 23:52:53,360 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 42 [2018-12-08 23:52:53,544 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 41 [2018-12-08 23:52:53,751 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 49 [2018-12-08 23:52:53,919 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 42 [2018-12-08 23:52:54,098 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 44 [2018-12-08 23:52:54,459 WARN L180 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 55 [2018-12-08 23:52:54,643 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 45 [2018-12-08 23:52:54,851 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 42 [2018-12-08 23:52:54,964 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 38 [2018-12-08 23:52:55,083 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2018-12-08 23:52:55,298 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 45 [2018-12-08 23:52:55,544 WARN L180 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 53 [2018-12-08 23:52:55,790 WARN L180 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 53 [2018-12-08 23:52:55,923 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 41 [2018-12-08 23:52:56,226 WARN L180 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 55 [2018-12-08 23:52:56,433 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 44 [2018-12-08 23:52:56,659 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 42 [2018-12-08 23:52:56,824 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 42 [2018-12-08 23:52:57,031 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 44 [2018-12-08 23:52:57,322 WARN L180 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 54 [2018-12-08 23:52:57,500 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 41 [2018-12-08 23:52:57,671 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 42 [2018-12-08 23:52:57,843 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 42 [2018-12-08 23:52:58,056 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 41 [2018-12-08 23:52:58,300 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 55 [2018-12-08 23:52:58,539 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 53 [2018-12-08 23:52:58,712 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 42 [2018-12-08 23:52:59,004 WARN L180 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 60 [2018-12-08 23:52:59,175 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 42 [2018-12-08 23:52:59,335 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 41 [2018-12-08 23:52:59,517 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 44 [2018-12-08 23:52:59,518 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 23:52:59,520 INFO L583 CodeCheckObserver]: Invariant with dag size 41 [2018-12-08 23:52:59,525 INFO L583 CodeCheckObserver]: Invariant with dag size 41 [2018-12-08 23:52:59,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 11:52:59 ImpRootNode [2018-12-08 23:52:59,526 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 23:52:59,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 23:52:59,527 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 23:52:59,527 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 23:52:59,527 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:47:25" (3/4) ... [2018-12-08 23:52:59,529 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 23:52:59,539 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-12-08 23:52:59,539 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-08 23:52:59,540 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-08 23:52:59,540 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 23:52:59,604 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4ed693f3-06f0-4386-804c-524c38c8e446/bin-2019/ukojak/witness.graphml [2018-12-08 23:52:59,604 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 23:52:59,605 INFO L168 Benchmark]: Toolchain (without parser) took 336124.51 ms. Allocated memory was 1.0 GB in the beginning and 3.7 GB in the end (delta: 2.6 GB). Free memory was 945.2 MB in the beginning and 1.4 GB in the end (delta: -483.2 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2018-12-08 23:52:59,605 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:52:59,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -139.3 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. [2018-12-08 23:52:59,605 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 23:52:59,605 INFO L168 Benchmark]: Boogie Preprocessor took 41.21 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:52:59,605 INFO L168 Benchmark]: RCFGBuilder took 1111.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 856.2 MB in the end (delta: 223.0 MB). Peak memory consumption was 223.0 MB. Max. memory is 11.5 GB. [2018-12-08 23:52:59,606 INFO L168 Benchmark]: CodeCheck took 334507.77 ms. Allocated memory was 1.1 GB in the beginning and 3.7 GB in the end (delta: 2.5 GB). Free memory was 856.2 MB in the beginning and 1.4 GB in the end (delta: -572.3 MB). Peak memory consumption was 3.2 GB. Max. memory is 11.5 GB. [2018-12-08 23:52:59,606 INFO L168 Benchmark]: Witness Printer took 77.43 ms. Allocated memory is still 3.7 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 3.3 kB). Peak memory consumption was 3.3 kB. Max. memory is 11.5 GB. [2018-12-08 23:52:59,607 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 227 locations, 1 error locations. SAFE Result, 318.9s OverallTime, 255 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1006553908 SDtfs, -1357145148 SDslu, -687410776 SDs, 0 SdLazy, 1862731728 SolverSat, -1946083928 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1699.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 427627 GetRequests, 417988 SyntacticMatches, 7637 SemanticMatches, 2002 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3008804 ImplicationChecksByTransitivity, 274.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 25.2s InterpolantComputationTime, 68075 NumberOfCodeBlocks, 68075 NumberOfCodeBlocksAsserted, 254 NumberOfCheckSat, 67821 ConstructedInterpolants, 0 QuantifiedInterpolants, 79682373 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 254 InterpolantComputations, 161 PerfectInterpolantSequences, 111361/113044 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: 589]: 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 == 8 && !(a11 == 1)) || ((((a28 == 9 && a17 == 8) && a21 == 1) && a25 == 1) && a11 == 1)) || (((a28 == 10 && a17 == 8) && a21 == 1) && a25 == 1)) || (((!(a19 == 1) && !(a28 == 8)) && a11 == 1) && !(a28 == 11))) || ((((a17 == 7 && a28 == 7) && a21 == 1) && a25 == 1) && a11 == 1)) || ((((a28 == 9 && a17 == 8) && a21 == 1) && a25 <= 0) && a11 == 1)) || ((a19 == 1 && !(a11 == 1)) && !(a28 == 11))) || ((((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1) && !(a11 == 1))) || ((((a19 <= 0 && !(a25 == 1)) && a17 == 8) && a28 == 7) && a21 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((a28 == 8 && !(a11 == 1)) || ((((a28 == 9 && a17 == 8) && a21 == 1) && a25 == 1) && a11 == 1)) || (((!(a19 == 1) && !(a28 == 8)) && a11 == 1) && !(a28 == 11))) || (((a28 == 10 && a17 == 8) && a21 == 1) && a25 == 1)) || ((((a17 == 7 && a28 == 7) && a21 == 1) && a25 == 1) && a11 == 1)) || ((((a28 == 9 && a17 == 8) && a21 == 1) && a25 <= 0) && a11 == 1)) || ((((a19 <= 0 && !(a25 == 1)) && a17 == 8) && a28 == 7) && a21 == 1)) || ((a19 == 1 && !(a11 == 1)) && !(a28 == 11))) || ((((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1) && !(a11 == 1)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 332.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -139.3 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.21 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1111.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 856.2 MB in the end (delta: 223.0 MB). Peak memory consumption was 223.0 MB. Max. memory is 11.5 GB. * CodeCheck took 334507.77 ms. Allocated memory was 1.1 GB in the beginning and 3.7 GB in the end (delta: 2.5 GB). Free memory was 856.2 MB in the beginning and 1.4 GB in the end (delta: -572.3 MB). Peak memory consumption was 3.2 GB. Max. memory is 11.5 GB. * Witness Printer took 77.43 ms. Allocated memory is still 3.7 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 3.3 kB). Peak memory consumption was 3.3 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...