./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label55_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_600f4cfa-f055-4d99-a1a1-c737ee96c846/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_600f4cfa-f055-4d99-a1a1-c737ee96c846/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_600f4cfa-f055-4d99-a1a1-c737ee96c846/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_600f4cfa-f055-4d99-a1a1-c737ee96c846/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label55_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_600f4cfa-f055-4d99-a1a1-c737ee96c846/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_600f4cfa-f055-4d99-a1a1-c737ee96c846/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 f7581b03dc5e38c896dc44d57a6d1677c5f9e4cd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:03:00,107 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 19:03:00,108 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 19:03:00,114 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 19:03:00,114 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 19:03:00,115 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 19:03:00,115 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 19:03:00,116 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 19:03:00,117 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 19:03:00,117 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 19:03:00,118 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 19:03:00,118 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 19:03:00,118 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 19:03:00,119 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 19:03:00,119 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 19:03:00,119 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 19:03:00,120 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 19:03:00,121 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 19:03:00,121 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 19:03:00,122 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 19:03:00,123 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 19:03:00,123 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 19:03:00,124 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 19:03:00,124 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 19:03:00,125 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 19:03:00,125 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 19:03:00,126 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 19:03:00,126 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 19:03:00,126 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 19:03:00,127 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 19:03:00,127 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 19:03:00,127 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 19:03:00,127 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 19:03:00,127 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 19:03:00,128 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 19:03:00,128 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 19:03:00,128 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_600f4cfa-f055-4d99-a1a1-c737ee96c846/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 19:03:00,135 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 19:03:00,136 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 19:03:00,136 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 19:03:00,136 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 19:03:00,136 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 19:03:00,137 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 19:03:00,137 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 19:03:00,137 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 19:03:00,137 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 19:03:00,137 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 19:03:00,137 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 19:03:00,137 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 19:03:00,137 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 19:03:00,137 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 19:03:00,137 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 19:03:00,138 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 19:03:00,138 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 19:03:00,138 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 19:03:00,138 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 19:03:00,138 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 19:03:00,138 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 19:03:00,138 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 19:03:00,138 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 19:03:00,138 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 19:03:00,138 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 19:03:00,138 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 19:03:00,139 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 19:03:00,139 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 19:03:00,139 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 19:03:00,139 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_600f4cfa-f055-4d99-a1a1-c737ee96c846/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 -> f7581b03dc5e38c896dc44d57a6d1677c5f9e4cd [2018-12-08 19:03:00,156 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 19:03:00,162 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 19:03:00,164 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 19:03:00,165 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 19:03:00,165 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 19:03:00,165 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_600f4cfa-f055-4d99-a1a1-c737ee96c846/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label55_true-unreach-call_false-termination.c [2018-12-08 19:03:00,197 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_600f4cfa-f055-4d99-a1a1-c737ee96c846/bin-2019/ukojak/data/aaf8e2f97/8b9184aebc39439a806d707c79ec30e3/FLAG94f17abf8 [2018-12-08 19:03:00,690 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 19:03:00,690 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_600f4cfa-f055-4d99-a1a1-c737ee96c846/sv-benchmarks/c/eca-rers2012/Problem02_label55_true-unreach-call_false-termination.c [2018-12-08 19:03:00,696 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_600f4cfa-f055-4d99-a1a1-c737ee96c846/bin-2019/ukojak/data/aaf8e2f97/8b9184aebc39439a806d707c79ec30e3/FLAG94f17abf8 [2018-12-08 19:03:01,040 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_600f4cfa-f055-4d99-a1a1-c737ee96c846/bin-2019/ukojak/data/aaf8e2f97/8b9184aebc39439a806d707c79ec30e3 [2018-12-08 19:03:01,046 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 19:03:01,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 19:03:01,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 19:03:01,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 19:03:01,061 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 19:03:01,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:03:01" (1/1) ... [2018-12-08 19:03:01,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42aa496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:03:01, skipping insertion in model container [2018-12-08 19:03:01,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:03:01" (1/1) ... [2018-12-08 19:03:01,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 19:03:01,161 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 19:03:01,347 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:03:01,350 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 19:03:01,394 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:03:01,442 INFO L195 MainTranslator]: Completed translation [2018-12-08 19:03:01,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:03:01 WrapperNode [2018-12-08 19:03:01,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 19:03:01,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 19:03:01,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 19:03:01,443 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 19:03:01,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:03:01" (1/1) ... [2018-12-08 19:03:01,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:03:01" (1/1) ... [2018-12-08 19:03:01,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 19:03:01,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 19:03:01,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 19:03:01,494 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 19:03:01,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:03:01" (1/1) ... [2018-12-08 19:03:01,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:03:01" (1/1) ... [2018-12-08 19:03:01,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:03:01" (1/1) ... [2018-12-08 19:03:01,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:03:01" (1/1) ... [2018-12-08 19:03:01,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:03:01" (1/1) ... [2018-12-08 19:03:01,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:03:01" (1/1) ... [2018-12-08 19:03:01,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:03:01" (1/1) ... [2018-12-08 19:03:01,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 19:03:01,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 19:03:01,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 19:03:01,521 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 19:03:01,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:03:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_600f4cfa-f055-4d99-a1a1-c737ee96c846/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 19:03:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 19:03:01,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 19:03:02,576 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 19:03:02,576 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 19:03:02,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:03:02 BoogieIcfgContainer [2018-12-08 19:03:02,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 19:03:02,577 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 19:03:02,577 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 19:03:02,584 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 19:03:02,584 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:03:02" (1/1) ... [2018-12-08 19:03:02,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:03:02,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:02,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-08 19:03:02,614 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-08 19:03:02,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-08 19:03:02,617 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:02,816 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 19:03:03,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:03,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 163 states and 276 transitions. [2018-12-08 19:03:03,108 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 276 transitions. [2018-12-08 19:03:03,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-08 19:03:03,110 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:03,190 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:03:03,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:03,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 242 states and 361 transitions. [2018-12-08 19:03:03,579 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 361 transitions. [2018-12-08 19:03:03,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-08 19:03:03,580 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:03,615 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 19:03:03,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:03,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 246 states and 366 transitions. [2018-12-08 19:03:03,765 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 366 transitions. [2018-12-08 19:03:03,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-08 19:03:03,767 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:03,820 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:03:03,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:03,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 251 states and 378 transitions. [2018-12-08 19:03:03,923 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 378 transitions. [2018-12-08 19:03:03,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 19:03:03,927 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:03,998 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:03:04,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:04,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 329 states and 458 transitions. [2018-12-08 19:03:04,605 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 458 transitions. [2018-12-08 19:03:04,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 19:03:04,606 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:04,650 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 19:03:04,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:04,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 338 states and 475 transitions. [2018-12-08 19:03:04,887 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 475 transitions. [2018-12-08 19:03:04,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 19:03:04,888 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:04,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:04,901 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 19:03:05,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:05,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 343 states and 484 transitions. [2018-12-08 19:03:05,023 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 484 transitions. [2018-12-08 19:03:05,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-08 19:03:05,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:05,034 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:03:05,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:05,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 347 states and 492 transitions. [2018-12-08 19:03:05,197 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 492 transitions. [2018-12-08 19:03:05,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-08 19:03:05,198 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:05,213 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:03:05,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:05,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 350 states and 495 transitions. [2018-12-08 19:03:05,283 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 495 transitions. [2018-12-08 19:03:05,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-08 19:03:05,284 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:05,317 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 19:03:05,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:05,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 359 states and 515 transitions. [2018-12-08 19:03:05,656 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 515 transitions. [2018-12-08 19:03:05,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 19:03:05,657 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:05,673 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 19:03:05,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:05,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 362 states and 518 transitions. [2018-12-08 19:03:05,695 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 518 transitions. [2018-12-08 19:03:05,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-08 19:03:05,696 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:05,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:05,721 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 19:03:05,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:05,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 363 states and 521 transitions. [2018-12-08 19:03:05,819 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 521 transitions. [2018-12-08 19:03:05,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-08 19:03:05,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:05,831 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 19:03:06,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:06,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 368 states and 529 transitions. [2018-12-08 19:03:06,015 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 529 transitions. [2018-12-08 19:03:06,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-08 19:03:06,016 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:06,027 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 19:03:06,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:06,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 371 states and 534 transitions. [2018-12-08 19:03:06,122 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 534 transitions. [2018-12-08 19:03:06,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-08 19:03:06,122 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:06,140 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:03:06,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:06,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 378 states and 541 transitions. [2018-12-08 19:03:06,164 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 541 transitions. [2018-12-08 19:03:06,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 19:03:06,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:06,181 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 19:03:06,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:06,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 382 states and 549 transitions. [2018-12-08 19:03:06,382 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 549 transitions. [2018-12-08 19:03:06,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 19:03:06,383 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:06,394 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 19:03:06,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:06,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 385 states and 552 transitions. [2018-12-08 19:03:06,497 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 552 transitions. [2018-12-08 19:03:06,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 19:03:06,497 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:06,511 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 19:03:06,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:06,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 388 states and 556 transitions. [2018-12-08 19:03:06,597 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 556 transitions. [2018-12-08 19:03:06,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 19:03:06,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:06,619 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 19:03:06,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:06,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 390 states and 558 transitions. [2018-12-08 19:03:06,634 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 558 transitions. [2018-12-08 19:03:06,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 19:03:06,635 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:06,661 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 19:03:07,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:07,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 403 states and 576 transitions. [2018-12-08 19:03:07,040 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 576 transitions. [2018-12-08 19:03:07,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 19:03:07,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:07,059 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:03:07,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:07,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 410 states and 583 transitions. [2018-12-08 19:03:07,083 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 583 transitions. [2018-12-08 19:03:07,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 19:03:07,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:07,095 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-08 19:03:07,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:07,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 420 states and 596 transitions. [2018-12-08 19:03:07,277 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 596 transitions. [2018-12-08 19:03:07,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 19:03:07,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:07,289 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:03:07,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:07,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 425 states and 601 transitions. [2018-12-08 19:03:07,322 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 601 transitions. [2018-12-08 19:03:07,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 19:03:07,322 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:07,334 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 19:03:07,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:07,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 426 states and 602 transitions. [2018-12-08 19:03:07,344 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 602 transitions. [2018-12-08 19:03:07,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-08 19:03:07,344 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:07,407 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 19:03:07,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:07,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 449 states and 634 transitions. [2018-12-08 19:03:07,902 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 634 transitions. [2018-12-08 19:03:07,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 19:03:07,902 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:07,921 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 19:03:07,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:07,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 461 states and 646 transitions. [2018-12-08 19:03:07,966 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 646 transitions. [2018-12-08 19:03:07,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 19:03:07,967 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:08,005 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:03:08,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:08,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 470 states and 657 transitions. [2018-12-08 19:03:08,385 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 657 transitions. [2018-12-08 19:03:08,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-08 19:03:08,386 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:08,465 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:03:08,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:08,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 476 states and 674 transitions. [2018-12-08 19:03:08,832 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 674 transitions. [2018-12-08 19:03:08,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-08 19:03:08,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:08,894 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:03:09,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:09,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 479 states and 679 transitions. [2018-12-08 19:03:09,018 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 679 transitions. [2018-12-08 19:03:09,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-08 19:03:09,018 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:09,135 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:03:09,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:09,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 508 states and 714 transitions. [2018-12-08 19:03:09,875 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 714 transitions. [2018-12-08 19:03:09,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-08 19:03:09,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:09,927 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:03:11,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:11,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 536 states and 753 transitions. [2018-12-08 19:03:11,013 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 753 transitions. [2018-12-08 19:03:11,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-08 19:03:11,014 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:11,060 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:03:11,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:11,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 541 states and 761 transitions. [2018-12-08 19:03:11,287 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 761 transitions. [2018-12-08 19:03:11,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-08 19:03:11,287 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:11,341 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:03:11,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:11,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 544 states and 764 transitions. [2018-12-08 19:03:11,473 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 764 transitions. [2018-12-08 19:03:11,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-08 19:03:11,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:11,515 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:03:11,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:11,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 547 states and 767 transitions. [2018-12-08 19:03:11,649 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 767 transitions. [2018-12-08 19:03:11,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-08 19:03:11,649 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:11,690 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:03:11,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:11,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 550 states and 770 transitions. [2018-12-08 19:03:11,817 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 770 transitions. [2018-12-08 19:03:11,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-08 19:03:11,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:12,163 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 40 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:03:13,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:13,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 585 states and 816 transitions. [2018-12-08 19:03:13,670 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 816 transitions. [2018-12-08 19:03:13,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-08 19:03:13,671 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:13,684 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:03:13,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:13,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 591 states and 823 transitions. [2018-12-08 19:03:13,777 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 823 transitions. [2018-12-08 19:03:13,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-08 19:03:13,778 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:13,802 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:03:14,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:14,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 598 states and 831 transitions. [2018-12-08 19:03:14,064 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 831 transitions. [2018-12-08 19:03:14,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-08 19:03:14,064 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:14,120 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 19:03:14,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:14,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 623 states and 860 transitions. [2018-12-08 19:03:14,733 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 860 transitions. [2018-12-08 19:03:14,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-08 19:03:14,733 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:14,807 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 19:03:14,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:14,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 628 states and 866 transitions. [2018-12-08 19:03:14,968 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 866 transitions. [2018-12-08 19:03:14,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-08 19:03:14,968 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:14,999 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:03:15,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:15,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 633 states and 872 transitions. [2018-12-08 19:03:15,045 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 872 transitions. [2018-12-08 19:03:15,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-08 19:03:15,046 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:15,077 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-08 19:03:15,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:15,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 721 states and 964 transitions. [2018-12-08 19:03:15,893 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 964 transitions. [2018-12-08 19:03:15,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-08 19:03:15,894 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:15,913 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 19:03:16,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:16,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 741 states and 985 transitions. [2018-12-08 19:03:16,125 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 985 transitions. [2018-12-08 19:03:16,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-08 19:03:16,126 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:16,138 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-08 19:03:16,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:16,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 746 states and 992 transitions. [2018-12-08 19:03:16,479 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 992 transitions. [2018-12-08 19:03:16,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 19:03:16,480 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:16,501 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:03:17,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:17,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 807 states and 1057 transitions. [2018-12-08 19:03:17,085 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1057 transitions. [2018-12-08 19:03:17,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-08 19:03:17,086 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:17,125 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:03:17,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:17,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 857 states and 1109 transitions. [2018-12-08 19:03:17,594 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1109 transitions. [2018-12-08 19:03:17,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 19:03:17,595 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:17,617 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:03:18,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:18,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 891 states and 1145 transitions. [2018-12-08 19:03:18,423 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1145 transitions. [2018-12-08 19:03:18,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-08 19:03:18,424 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:18,819 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 104 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:03:21,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:21,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 948 states and 1217 transitions. [2018-12-08 19:03:21,127 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1217 transitions. [2018-12-08 19:03:21,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-08 19:03:21,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:21,168 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 104 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:03:21,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:21,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 952 states and 1225 transitions. [2018-12-08 19:03:21,522 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1225 transitions. [2018-12-08 19:03:21,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 19:03:21,523 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:21,552 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:03:22,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:22,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 997 states and 1280 transitions. [2018-12-08 19:03:22,386 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1280 transitions. [2018-12-08 19:03:22,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 19:03:22,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:22,420 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:03:23,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:23,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1004 states and 1288 transitions. [2018-12-08 19:03:23,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1288 transitions. [2018-12-08 19:03:23,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 19:03:23,010 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:23,051 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:03:23,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:23,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1006 states and 1290 transitions. [2018-12-08 19:03:23,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1290 transitions. [2018-12-08 19:03:23,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 19:03:23,251 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:23,270 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:03:23,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:23,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1009 states and 1292 transitions. [2018-12-08 19:03:23,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1292 transitions. [2018-12-08 19:03:23,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 19:03:23,484 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:23,504 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:03:23,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:23,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1014 states and 1296 transitions. [2018-12-08 19:03:23,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1296 transitions. [2018-12-08 19:03:23,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 19:03:23,710 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:23,729 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:03:23,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:23,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1016 states and 1298 transitions. [2018-12-08 19:03:23,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1298 transitions. [2018-12-08 19:03:23,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 19:03:23,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:24,018 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-08 19:03:24,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:24,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1042 states and 1324 transitions. [2018-12-08 19:03:24,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1324 transitions. [2018-12-08 19:03:24,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-08 19:03:24,963 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:24,996 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 19:03:25,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:25,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1047 states and 1330 transitions. [2018-12-08 19:03:25,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1330 transitions. [2018-12-08 19:03:25,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-08 19:03:25,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:25,596 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 19:03:25,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:25,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1050 states and 1332 transitions. [2018-12-08 19:03:25,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1332 transitions. [2018-12-08 19:03:25,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 19:03:25,793 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:25,827 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 19:03:25,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:25,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1051 states and 1336 transitions. [2018-12-08 19:03:25,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1336 transitions. [2018-12-08 19:03:25,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-08 19:03:25,858 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:25,887 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-08 19:03:27,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:27,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 1162 states and 1455 transitions. [2018-12-08 19:03:27,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1455 transitions. [2018-12-08 19:03:27,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-08 19:03:27,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:27,672 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 19:03:29,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:29,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1233 states and 1525 transitions. [2018-12-08 19:03:29,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1525 transitions. [2018-12-08 19:03:29,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 19:03:29,839 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:30,401 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 19:03:34,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:34,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1332 states and 1625 transitions. [2018-12-08 19:03:34,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1625 transitions. [2018-12-08 19:03:34,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-08 19:03:34,466 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:34,623 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 19:03:36,623 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2018-12-08 19:03:36,980 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2018-12-08 19:03:38,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:38,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1410 states and 1704 transitions. [2018-12-08 19:03:38,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 1704 transitions. [2018-12-08 19:03:38,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-08 19:03:38,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:38,138 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 19:03:38,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:38,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 1429 states and 1725 transitions. [2018-12-08 19:03:38,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 1725 transitions. [2018-12-08 19:03:38,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-08 19:03:38,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:38,918 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 19:03:38,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:38,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 1430 states and 1726 transitions. [2018-12-08 19:03:38,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 1726 transitions. [2018-12-08 19:03:38,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-08 19:03:38,946 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:39,761 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 19:03:43,869 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2018-12-08 19:03:44,713 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-08 19:03:48,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:48,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1471 states and 1770 transitions. [2018-12-08 19:03:48,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 1770 transitions. [2018-12-08 19:03:48,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-08 19:03:48,491 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:48,577 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 19:03:50,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:50,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1826 states to 1528 states and 1826 transitions. [2018-12-08 19:03:50,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1826 transitions. [2018-12-08 19:03:50,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-08 19:03:50,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:51,384 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 19:03:53,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:53,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 1549 states and 1853 transitions. [2018-12-08 19:03:53,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 1853 transitions. [2018-12-08 19:03:53,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-08 19:03:53,632 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:53,654 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 19:03:53,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:53,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1854 states to 1550 states and 1854 transitions. [2018-12-08 19:03:53,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 1854 transitions. [2018-12-08 19:03:53,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 19:03:53,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:54,474 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 19:03:58,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:58,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 1625 states and 1931 transitions. [2018-12-08 19:03:58,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1625 states and 1931 transitions. [2018-12-08 19:03:58,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 19:03:58,421 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:58,513 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 19:03:59,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:03:59,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1649 states and 1954 transitions. [2018-12-08 19:03:59,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 1954 transitions. [2018-12-08 19:03:59,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-08 19:03:59,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:03:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:03:59,411 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-08 19:04:00,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:00,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1678 states and 1994 transitions. [2018-12-08 19:04:00,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 1994 transitions. [2018-12-08 19:04:00,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-08 19:04:00,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:00,994 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-08 19:04:01,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:01,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 1683 states and 2004 transitions. [2018-12-08 19:04:01,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 2004 transitions. [2018-12-08 19:04:01,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-08 19:04:01,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:01,727 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-08 19:04:02,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:02,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2008 states to 1686 states and 2008 transitions. [2018-12-08 19:04:02,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1686 states and 2008 transitions. [2018-12-08 19:04:02,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-12-08 19:04:02,006 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:02,054 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 19:04:02,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:02,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 1707 states and 2032 transitions. [2018-12-08 19:04:02,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2032 transitions. [2018-12-08 19:04:02,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-08 19:04:02,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:02,471 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 19:04:02,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:02,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2034 states to 1709 states and 2034 transitions. [2018-12-08 19:04:02,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 2034 transitions. [2018-12-08 19:04:02,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-08 19:04:02,497 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:02,561 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 19:04:02,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:02,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2050 states to 1725 states and 2050 transitions. [2018-12-08 19:04:02,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1725 states and 2050 transitions. [2018-12-08 19:04:02,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-08 19:04:02,923 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:02,952 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 19:04:03,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:03,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2065 states to 1738 states and 2065 transitions. [2018-12-08 19:04:03,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2065 transitions. [2018-12-08 19:04:03,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-12-08 19:04:03,288 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:04,133 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 19:04:06,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:06,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 1753 states and 2083 transitions. [2018-12-08 19:04:06,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2083 transitions. [2018-12-08 19:04:06,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-12-08 19:04:06,566 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:06,603 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-08 19:04:08,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:08,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 1789 states and 2125 transitions. [2018-12-08 19:04:08,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1789 states and 2125 transitions. [2018-12-08 19:04:08,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-12-08 19:04:08,060 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:08,096 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-08 19:04:09,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:09,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2134 states to 1796 states and 2134 transitions. [2018-12-08 19:04:09,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 2134 transitions. [2018-12-08 19:04:09,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-08 19:04:09,170 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:09,200 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 19:04:09,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:09,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 1815 states and 2155 transitions. [2018-12-08 19:04:09,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2155 transitions. [2018-12-08 19:04:09,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-08 19:04:09,405 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:09,433 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 19:04:09,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:09,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 1818 states and 2158 transitions. [2018-12-08 19:04:09,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1818 states and 2158 transitions. [2018-12-08 19:04:09,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-08 19:04:09,758 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:10,169 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 19:04:13,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:13,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 1849 states and 2193 transitions. [2018-12-08 19:04:13,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 2193 transitions. [2018-12-08 19:04:13,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-08 19:04:13,844 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:13,899 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 146 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-08 19:04:14,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:14,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2194 states to 1850 states and 2194 transitions. [2018-12-08 19:04:14,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2194 transitions. [2018-12-08 19:04:14,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-08 19:04:14,098 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:14,166 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-12-08 19:04:14,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:14,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 1852 states and 2197 transitions. [2018-12-08 19:04:14,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2197 transitions. [2018-12-08 19:04:14,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-08 19:04:14,490 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:14,666 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 19:04:15,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:15,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 1876 states and 2228 transitions. [2018-12-08 19:04:15,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2228 transitions. [2018-12-08 19:04:15,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-08 19:04:15,680 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:15,866 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 19:04:16,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:16,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2232 states to 1879 states and 2232 transitions. [2018-12-08 19:04:16,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 2232 transitions. [2018-12-08 19:04:16,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-08 19:04:16,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:16,436 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 19:04:16,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:16,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 1882 states and 2236 transitions. [2018-12-08 19:04:16,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 2236 transitions. [2018-12-08 19:04:16,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-12-08 19:04:16,752 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:16,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:16,925 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-08 19:04:18,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:18,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2252 states to 1892 states and 2252 transitions. [2018-12-08 19:04:18,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1892 states and 2252 transitions. [2018-12-08 19:04:18,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-08 19:04:18,673 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:18,730 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 19:04:20,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:20,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2266 states to 1904 states and 2266 transitions. [2018-12-08 19:04:20,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1904 states and 2266 transitions. [2018-12-08 19:04:20,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-08 19:04:20,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:20,141 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-12-08 19:04:20,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:20,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2267 states to 1905 states and 2267 transitions. [2018-12-08 19:04:20,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1905 states and 2267 transitions. [2018-12-08 19:04:20,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-08 19:04:20,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:20,420 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-08 19:04:20,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:20,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2271 states to 1909 states and 2271 transitions. [2018-12-08 19:04:20,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 2271 transitions. [2018-12-08 19:04:20,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-08 19:04:20,453 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:20,518 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-08 19:04:21,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:21,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2279 states to 1917 states and 2279 transitions. [2018-12-08 19:04:21,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 2279 transitions. [2018-12-08 19:04:21,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-08 19:04:21,101 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:21,172 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-08 19:04:21,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:21,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2283 states to 1921 states and 2283 transitions. [2018-12-08 19:04:21,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1921 states and 2283 transitions. [2018-12-08 19:04:21,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-08 19:04:21,497 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:21,555 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-08 19:04:21,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:21,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2287 states to 1925 states and 2287 transitions. [2018-12-08 19:04:21,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1925 states and 2287 transitions. [2018-12-08 19:04:21,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-08 19:04:21,944 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:22,002 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-08 19:04:22,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:22,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2291 states to 1929 states and 2291 transitions. [2018-12-08 19:04:22,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1929 states and 2291 transitions. [2018-12-08 19:04:22,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-08 19:04:22,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:22,544 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-08 19:04:23,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:23,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 1933 states and 2295 transitions. [2018-12-08 19:04:23,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1933 states and 2295 transitions. [2018-12-08 19:04:23,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-12-08 19:04:23,436 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:23,644 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-08 19:04:30,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:30,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2328 states to 1964 states and 2328 transitions. [2018-12-08 19:04:30,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1964 states and 2328 transitions. [2018-12-08 19:04:30,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-12-08 19:04:30,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:30,794 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-08 19:04:33,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:33,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 1974 states and 2344 transitions. [2018-12-08 19:04:33,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 2344 transitions. [2018-12-08 19:04:33,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-08 19:04:33,027 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:33,080 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-12-08 19:04:35,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:35,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2397 states to 2017 states and 2397 transitions. [2018-12-08 19:04:35,582 INFO L276 IsEmpty]: Start isEmpty. Operand 2017 states and 2397 transitions. [2018-12-08 19:04:35,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-08 19:04:35,583 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:35,646 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-12-08 19:04:36,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:36,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2398 states to 2018 states and 2398 transitions. [2018-12-08 19:04:36,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2018 states and 2398 transitions. [2018-12-08 19:04:36,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-08 19:04:36,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:36,094 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-12-08 19:04:36,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:36,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2402 states to 2023 states and 2402 transitions. [2018-12-08 19:04:36,555 INFO L276 IsEmpty]: Start isEmpty. Operand 2023 states and 2402 transitions. [2018-12-08 19:04:36,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-08 19:04:36,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:36,610 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-12-08 19:04:36,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:36,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2402 states to 2024 states and 2402 transitions. [2018-12-08 19:04:36,690 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 2402 transitions. [2018-12-08 19:04:36,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-08 19:04:36,691 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:36,737 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 169 proven. 3 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-08 19:04:40,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:40,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2037 states and 2418 transitions. [2018-12-08 19:04:40,477 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states and 2418 transitions. [2018-12-08 19:04:40,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-08 19:04:40,478 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:40,518 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 169 proven. 3 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-08 19:04:41,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:41,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2422 states to 2041 states and 2422 transitions. [2018-12-08 19:04:41,182 INFO L276 IsEmpty]: Start isEmpty. Operand 2041 states and 2422 transitions. [2018-12-08 19:04:41,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-12-08 19:04:41,183 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:41,270 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-08 19:04:43,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:43,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2056 states and 2439 transitions. [2018-12-08 19:04:43,516 INFO L276 IsEmpty]: Start isEmpty. Operand 2056 states and 2439 transitions. [2018-12-08 19:04:43,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-12-08 19:04:43,517 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:43,556 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-12-08 19:04:45,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:45,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 2068 states and 2456 transitions. [2018-12-08 19:04:45,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2068 states and 2456 transitions. [2018-12-08 19:04:45,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-12-08 19:04:45,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:45,628 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-12-08 19:04:47,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:47,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2075 states and 2467 transitions. [2018-12-08 19:04:47,537 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 2467 transitions. [2018-12-08 19:04:47,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-12-08 19:04:47,539 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:47,574 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 19:04:47,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:47,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 2078 states and 2469 transitions. [2018-12-08 19:04:47,777 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 2469 transitions. [2018-12-08 19:04:47,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-12-08 19:04:47,778 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:47,826 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 179 proven. 3 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-08 19:04:48,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:48,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2083 states and 2474 transitions. [2018-12-08 19:04:48,186 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 2474 transitions. [2018-12-08 19:04:48,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-12-08 19:04:48,187 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:48,238 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-12-08 19:04:52,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:52,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2114 states and 2507 transitions. [2018-12-08 19:04:52,530 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 2507 transitions. [2018-12-08 19:04:52,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-12-08 19:04:52,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:52,564 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-12-08 19:04:53,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:53,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 2115 states and 2508 transitions. [2018-12-08 19:04:53,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2508 transitions. [2018-12-08 19:04:53,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-12-08 19:04:53,236 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:53,269 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-12-08 19:04:53,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:53,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 2116 states and 2508 transitions. [2018-12-08 19:04:53,538 INFO L276 IsEmpty]: Start isEmpty. Operand 2116 states and 2508 transitions. [2018-12-08 19:04:53,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-08 19:04:53,539 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:53,601 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-08 19:04:54,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:54,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 2126 states and 2519 transitions. [2018-12-08 19:04:54,378 INFO L276 IsEmpty]: Start isEmpty. Operand 2126 states and 2519 transitions. [2018-12-08 19:04:54,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-08 19:04:54,379 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:54,928 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 19:04:57,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:57,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2600 states to 2204 states and 2600 transitions. [2018-12-08 19:04:57,014 INFO L276 IsEmpty]: Start isEmpty. Operand 2204 states and 2600 transitions. [2018-12-08 19:04:57,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-08 19:04:57,015 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:57,085 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 230 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-08 19:04:57,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:57,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 2212 states and 2616 transitions. [2018-12-08 19:04:57,978 INFO L276 IsEmpty]: Start isEmpty. Operand 2212 states and 2616 transitions. [2018-12-08 19:04:57,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-08 19:04:57,979 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:58,038 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 230 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-08 19:04:58,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:58,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 2215 states and 2619 transitions. [2018-12-08 19:04:58,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2215 states and 2619 transitions. [2018-12-08 19:04:58,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-12-08 19:04:58,412 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:58,598 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-08 19:04:59,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:04:59,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 2239 states and 2647 transitions. [2018-12-08 19:04:59,775 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 2647 transitions. [2018-12-08 19:04:59,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-08 19:04:59,776 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:04:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:04:59,968 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-08 19:05:01,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:01,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2687 states to 2278 states and 2687 transitions. [2018-12-08 19:05:01,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2278 states and 2687 transitions. [2018-12-08 19:05:01,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-08 19:05:01,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:01,436 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-08 19:05:02,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:02,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2701 states to 2290 states and 2701 transitions. [2018-12-08 19:05:02,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2290 states and 2701 transitions. [2018-12-08 19:05:02,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-08 19:05:02,230 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:02,289 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 19:05:04,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:04,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2719 states to 2307 states and 2719 transitions. [2018-12-08 19:05:04,779 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 2719 transitions. [2018-12-08 19:05:04,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-08 19:05:04,781 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:04,855 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 19:05:06,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:06,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 2312 states and 2724 transitions. [2018-12-08 19:05:06,892 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 2724 transitions. [2018-12-08 19:05:06,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-08 19:05:06,893 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:07,110 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 19:05:08,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:08,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2321 states and 2737 transitions. [2018-12-08 19:05:08,202 INFO L276 IsEmpty]: Start isEmpty. Operand 2321 states and 2737 transitions. [2018-12-08 19:05:08,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-08 19:05:08,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:08,472 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-08 19:05:12,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:12,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 2383 states and 2806 transitions. [2018-12-08 19:05:12,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states and 2806 transitions. [2018-12-08 19:05:12,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-08 19:05:12,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:12,705 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-08 19:05:13,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:13,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2809 states to 2386 states and 2809 transitions. [2018-12-08 19:05:13,116 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states and 2809 transitions. [2018-12-08 19:05:13,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-08 19:05:13,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:13,336 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 215 proven. 3 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 19:05:14,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:14,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 2398 states and 2823 transitions. [2018-12-08 19:05:14,438 INFO L276 IsEmpty]: Start isEmpty. Operand 2398 states and 2823 transitions. [2018-12-08 19:05:14,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-08 19:05:14,440 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:14,622 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 215 proven. 3 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 19:05:15,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:15,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 2402 states and 2830 transitions. [2018-12-08 19:05:15,450 INFO L276 IsEmpty]: Start isEmpty. Operand 2402 states and 2830 transitions. [2018-12-08 19:05:15,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-08 19:05:15,452 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:15,649 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 215 proven. 3 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 19:05:17,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:17,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2833 states to 2405 states and 2833 transitions. [2018-12-08 19:05:17,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 2833 transitions. [2018-12-08 19:05:17,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-08 19:05:17,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:17,584 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 215 proven. 3 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 19:05:18,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:18,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 2408 states and 2836 transitions. [2018-12-08 19:05:18,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2408 states and 2836 transitions. [2018-12-08 19:05:18,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-08 19:05:18,808 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:19,022 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 215 proven. 3 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 19:05:20,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:20,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2411 states and 2839 transitions. [2018-12-08 19:05:20,249 INFO L276 IsEmpty]: Start isEmpty. Operand 2411 states and 2839 transitions. [2018-12-08 19:05:20,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-12-08 19:05:20,251 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:20,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:20,313 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 219 proven. 1 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-08 19:05:22,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:22,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2866 states to 2433 states and 2866 transitions. [2018-12-08 19:05:22,690 INFO L276 IsEmpty]: Start isEmpty. Operand 2433 states and 2866 transitions. [2018-12-08 19:05:22,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-12-08 19:05:22,692 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:22,743 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 219 proven. 1 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-08 19:05:23,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:23,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2872 states to 2437 states and 2872 transitions. [2018-12-08 19:05:23,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2437 states and 2872 transitions. [2018-12-08 19:05:23,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-12-08 19:05:23,243 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:23,326 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 219 proven. 1 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-08 19:05:23,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:23,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 2440 states and 2875 transitions. [2018-12-08 19:05:23,770 INFO L276 IsEmpty]: Start isEmpty. Operand 2440 states and 2875 transitions. [2018-12-08 19:05:23,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-12-08 19:05:23,771 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:23,837 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 219 proven. 1 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-08 19:05:24,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:24,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2878 states to 2443 states and 2878 transitions. [2018-12-08 19:05:24,306 INFO L276 IsEmpty]: Start isEmpty. Operand 2443 states and 2878 transitions. [2018-12-08 19:05:24,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-08 19:05:24,307 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:24,374 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 260 proven. 4 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-08 19:05:25,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:25,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2472 states and 2909 transitions. [2018-12-08 19:05:25,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2472 states and 2909 transitions. [2018-12-08 19:05:25,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-08 19:05:25,412 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:25,483 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 260 proven. 4 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-08 19:05:25,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:25,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2912 states to 2475 states and 2912 transitions. [2018-12-08 19:05:25,915 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 2912 transitions. [2018-12-08 19:05:25,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-08 19:05:25,916 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:25,954 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-08 19:05:26,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:26,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2915 states to 2479 states and 2915 transitions. [2018-12-08 19:05:26,330 INFO L276 IsEmpty]: Start isEmpty. Operand 2479 states and 2915 transitions. [2018-12-08 19:05:26,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-08 19:05:26,331 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:26,406 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 237 proven. 16 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 19:05:36,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:36,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 2514 states and 2962 transitions. [2018-12-08 19:05:36,755 INFO L276 IsEmpty]: Start isEmpty. Operand 2514 states and 2962 transitions. [2018-12-08 19:05:36,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-08 19:05:36,757 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:36,845 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 237 proven. 16 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 19:05:40,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:40,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2969 states to 2522 states and 2969 transitions. [2018-12-08 19:05:40,012 INFO L276 IsEmpty]: Start isEmpty. Operand 2522 states and 2969 transitions. [2018-12-08 19:05:40,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-08 19:05:40,015 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:40,106 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 237 proven. 16 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 19:05:41,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:41,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2972 states to 2525 states and 2972 transitions. [2018-12-08 19:05:41,601 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 2972 transitions. [2018-12-08 19:05:41,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-08 19:05:41,603 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:41,686 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 237 proven. 16 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 19:05:42,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:42,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2975 states to 2528 states and 2975 transitions. [2018-12-08 19:05:42,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2528 states and 2975 transitions. [2018-12-08 19:05:42,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-08 19:05:42,426 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:42,503 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 237 proven. 16 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 19:05:43,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:43,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2978 states to 2531 states and 2978 transitions. [2018-12-08 19:05:43,036 INFO L276 IsEmpty]: Start isEmpty. Operand 2531 states and 2978 transitions. [2018-12-08 19:05:43,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-08 19:05:43,037 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:43,143 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 232 proven. 10 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-12-08 19:05:46,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:46,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 2551 states and 3000 transitions. [2018-12-08 19:05:46,715 INFO L276 IsEmpty]: Start isEmpty. Operand 2551 states and 3000 transitions. [2018-12-08 19:05:46,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-12-08 19:05:46,717 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:46,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:46,765 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 233 proven. 3 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2018-12-08 19:05:46,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:46,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 2559 states and 3008 transitions. [2018-12-08 19:05:46,819 INFO L276 IsEmpty]: Start isEmpty. Operand 2559 states and 3008 transitions. [2018-12-08 19:05:46,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-08 19:05:46,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:46,903 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 243 proven. 3 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-08 19:05:47,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:47,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 2562 states and 3010 transitions. [2018-12-08 19:05:47,385 INFO L276 IsEmpty]: Start isEmpty. Operand 2562 states and 3010 transitions. [2018-12-08 19:05:47,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-08 19:05:47,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:47,434 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 243 proven. 3 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-08 19:05:47,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:47,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3018 states to 2571 states and 3018 transitions. [2018-12-08 19:05:47,491 INFO L276 IsEmpty]: Start isEmpty. Operand 2571 states and 3018 transitions. [2018-12-08 19:05:47,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-12-08 19:05:47,492 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:47,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:47,700 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-08 19:05:52,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:52,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3056 states to 2608 states and 3056 transitions. [2018-12-08 19:05:52,522 INFO L276 IsEmpty]: Start isEmpty. Operand 2608 states and 3056 transitions. [2018-12-08 19:05:52,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-12-08 19:05:52,523 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:52,734 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-08 19:05:55,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:55,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3071 states to 2624 states and 3071 transitions. [2018-12-08 19:05:55,202 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 3071 transitions. [2018-12-08 19:05:55,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-12-08 19:05:55,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:55,419 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-08 19:05:55,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:55,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 2627 states and 3074 transitions. [2018-12-08 19:05:55,885 INFO L276 IsEmpty]: Start isEmpty. Operand 2627 states and 3074 transitions. [2018-12-08 19:05:55,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-12-08 19:05:55,886 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:55,954 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-12-08 19:05:56,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:05:56,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3075 states to 2629 states and 3075 transitions. [2018-12-08 19:05:56,184 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 3075 transitions. [2018-12-08 19:05:56,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-08 19:05:56,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:05:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:05:56,474 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 303 proven. 4 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-12-08 19:06:02,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:06:02,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3179 states to 2723 states and 3179 transitions. [2018-12-08 19:06:02,982 INFO L276 IsEmpty]: Start isEmpty. Operand 2723 states and 3179 transitions. [2018-12-08 19:06:02,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-08 19:06:02,983 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:06:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:06:03,074 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-08 19:06:05,576 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2018-12-08 19:06:13,288 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-08 19:06:14,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:06:14,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3238 states to 2781 states and 3238 transitions. [2018-12-08 19:06:14,070 INFO L276 IsEmpty]: Start isEmpty. Operand 2781 states and 3238 transitions. [2018-12-08 19:06:14,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-08 19:06:14,072 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:06:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:06:14,167 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-08 19:06:14,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:06:14,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3237 states to 2781 states and 3237 transitions. [2018-12-08 19:06:14,740 INFO L276 IsEmpty]: Start isEmpty. Operand 2781 states and 3237 transitions. [2018-12-08 19:06:14,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-08 19:06:14,742 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:06:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:06:14,831 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-08 19:06:15,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:06:15,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3203 states to 2748 states and 3203 transitions. [2018-12-08 19:06:15,399 INFO L276 IsEmpty]: Start isEmpty. Operand 2748 states and 3203 transitions. [2018-12-08 19:06:15,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-08 19:06:15,400 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:06:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:06:15,495 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 255 proven. 5 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-08 19:06:17,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:06:17,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3239 states to 2780 states and 3239 transitions. [2018-12-08 19:06:17,688 INFO L276 IsEmpty]: Start isEmpty. Operand 2780 states and 3239 transitions. [2018-12-08 19:06:17,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-08 19:06:17,689 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:06:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:06:17,798 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 255 proven. 5 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-08 19:06:19,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:06:19,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3255 states to 2795 states and 3255 transitions. [2018-12-08 19:06:19,856 INFO L276 IsEmpty]: Start isEmpty. Operand 2795 states and 3255 transitions. [2018-12-08 19:06:19,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-12-08 19:06:19,858 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:06:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:06:20,072 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 321 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-08 19:06:21,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:06:21,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3274 states to 2808 states and 3274 transitions. [2018-12-08 19:06:21,210 INFO L276 IsEmpty]: Start isEmpty. Operand 2808 states and 3274 transitions. [2018-12-08 19:06:21,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-12-08 19:06:21,211 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:06:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:06:21,458 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 321 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-08 19:06:22,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:06:22,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3277 states to 2809 states and 3277 transitions. [2018-12-08 19:06:22,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2809 states and 3277 transitions. [2018-12-08 19:06:22,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-12-08 19:06:22,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:06:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:06:22,476 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 321 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-08 19:06:23,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:06:23,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3280 states to 2812 states and 3280 transitions. [2018-12-08 19:06:23,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 3280 transitions. [2018-12-08 19:06:23,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-12-08 19:06:23,004 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:06:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:06:23,225 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 321 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-08 19:06:23,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:06:23,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 2815 states and 3283 transitions. [2018-12-08 19:06:23,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2815 states and 3283 transitions. [2018-12-08 19:06:23,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-12-08 19:06:23,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:06:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:06:23,951 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 321 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-08 19:06:24,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:06:24,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3286 states to 2818 states and 3286 transitions. [2018-12-08 19:06:24,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2818 states and 3286 transitions. [2018-12-08 19:06:24,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-12-08 19:06:24,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:06:24,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:06:24,611 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 321 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-08 19:06:25,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:06:25,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3289 states to 2821 states and 3289 transitions. [2018-12-08 19:06:25,116 INFO L276 IsEmpty]: Start isEmpty. Operand 2821 states and 3289 transitions. [2018-12-08 19:06:25,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-12-08 19:06:25,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:06:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:06:25,658 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-08 19:06:44,623 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 24 [2018-12-08 19:06:46,411 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2018-12-08 19:06:48,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:06:48,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3383 states to 2900 states and 3383 transitions. [2018-12-08 19:06:48,038 INFO L276 IsEmpty]: Start isEmpty. Operand 2900 states and 3383 transitions. [2018-12-08 19:06:48,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-12-08 19:06:48,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:06:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:06:48,187 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-08 19:06:52,233 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2018-12-08 19:06:53,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:06:53,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3478 states to 2991 states and 3478 transitions. [2018-12-08 19:06:53,037 INFO L276 IsEmpty]: Start isEmpty. Operand 2991 states and 3478 transitions. [2018-12-08 19:06:53,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-08 19:06:53,039 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:06:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:06:53,377 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-08 19:07:00,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:07:00,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3566 states to 3074 states and 3566 transitions. [2018-12-08 19:07:00,151 INFO L276 IsEmpty]: Start isEmpty. Operand 3074 states and 3566 transitions. [2018-12-08 19:07:00,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-08 19:07:00,153 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:07:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:07:00,250 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-08 19:07:02,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:07:02,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3589 states to 3098 states and 3589 transitions. [2018-12-08 19:07:02,051 INFO L276 IsEmpty]: Start isEmpty. Operand 3098 states and 3589 transitions. [2018-12-08 19:07:02,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-08 19:07:02,052 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:07:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:07:02,109 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-08 19:07:04,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:07:04,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3623 states to 3124 states and 3623 transitions. [2018-12-08 19:07:04,181 INFO L276 IsEmpty]: Start isEmpty. Operand 3124 states and 3623 transitions. [2018-12-08 19:07:04,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-08 19:07:04,182 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:07:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:07:04,238 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-08 19:07:05,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:07:05,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3627 states to 3127 states and 3627 transitions. [2018-12-08 19:07:05,647 INFO L276 IsEmpty]: Start isEmpty. Operand 3127 states and 3627 transitions. [2018-12-08 19:07:05,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-08 19:07:05,649 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:07:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:07:05,710 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-08 19:07:07,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:07:07,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3631 states to 3130 states and 3631 transitions. [2018-12-08 19:07:07,818 INFO L276 IsEmpty]: Start isEmpty. Operand 3130 states and 3631 transitions. [2018-12-08 19:07:07,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-08 19:07:07,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:07:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:07:07,864 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-08 19:07:08,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:07:08,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3633 states to 3132 states and 3633 transitions. [2018-12-08 19:07:08,189 INFO L276 IsEmpty]: Start isEmpty. Operand 3132 states and 3633 transitions. [2018-12-08 19:07:08,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-08 19:07:08,191 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:07:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:07:08,273 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-08 19:07:09,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:07:09,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3638 states to 3138 states and 3638 transitions. [2018-12-08 19:07:09,145 INFO L276 IsEmpty]: Start isEmpty. Operand 3138 states and 3638 transitions. [2018-12-08 19:07:09,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-12-08 19:07:09,148 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:07:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:07:10,842 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 19:07:13,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:07:13,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3660 states to 3154 states and 3660 transitions. [2018-12-08 19:07:13,229 INFO L276 IsEmpty]: Start isEmpty. Operand 3154 states and 3660 transitions. [2018-12-08 19:07:13,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-12-08 19:07:13,231 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:07:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:07:13,374 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 19:07:15,239 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-08 19:07:16,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:07:16,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3674 states to 3168 states and 3674 transitions. [2018-12-08 19:07:16,337 INFO L276 IsEmpty]: Start isEmpty. Operand 3168 states and 3674 transitions. [2018-12-08 19:07:16,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-08 19:07:16,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:07:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:07:16,398 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 349 proven. 1 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-12-08 19:07:28,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:07:28,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3733 states to 3224 states and 3733 transitions. [2018-12-08 19:07:28,858 INFO L276 IsEmpty]: Start isEmpty. Operand 3224 states and 3733 transitions. [2018-12-08 19:07:28,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-08 19:07:28,860 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:07:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:07:28,923 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 349 proven. 1 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-12-08 19:07:29,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:07:29,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3736 states to 3227 states and 3736 transitions. [2018-12-08 19:07:29,479 INFO L276 IsEmpty]: Start isEmpty. Operand 3227 states and 3736 transitions. [2018-12-08 19:07:29,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-12-08 19:07:29,481 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:07:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:07:29,725 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 378 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-08 19:07:30,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:07:30,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3762 states to 3252 states and 3762 transitions. [2018-12-08 19:07:30,880 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 3762 transitions. [2018-12-08 19:07:30,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-12-08 19:07:30,882 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:07:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:07:31,093 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 378 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-08 19:07:32,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:07:32,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3772 states to 3263 states and 3772 transitions. [2018-12-08 19:07:32,013 INFO L276 IsEmpty]: Start isEmpty. Operand 3263 states and 3772 transitions. [2018-12-08 19:07:32,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-08 19:07:32,015 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:07:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:07:32,173 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 310 proven. 10 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-08 19:07:33,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:07:33,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3790 states to 3282 states and 3790 transitions. [2018-12-08 19:07:33,445 INFO L276 IsEmpty]: Start isEmpty. Operand 3282 states and 3790 transitions. [2018-12-08 19:07:33,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-12-08 19:07:33,447 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:07:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:07:33,520 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 317 proven. 15 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-08 19:07:38,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:07:38,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3807 states to 3292 states and 3807 transitions. [2018-12-08 19:07:38,395 INFO L276 IsEmpty]: Start isEmpty. Operand 3292 states and 3807 transitions. [2018-12-08 19:07:38,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-12-08 19:07:38,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:07:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:07:38,470 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 317 proven. 15 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-08 19:07:40,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:07:40,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3808 states to 3293 states and 3808 transitions. [2018-12-08 19:07:40,421 INFO L276 IsEmpty]: Start isEmpty. Operand 3293 states and 3808 transitions. [2018-12-08 19:07:40,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-12-08 19:07:40,424 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:07:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:07:40,499 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 317 proven. 15 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-08 19:07:42,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:07:42,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3811 states to 3296 states and 3811 transitions. [2018-12-08 19:07:42,277 INFO L276 IsEmpty]: Start isEmpty. Operand 3296 states and 3811 transitions. [2018-12-08 19:07:42,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-12-08 19:07:42,279 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:07:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:07:42,382 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 317 proven. 15 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-08 19:07:43,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:07:43,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3814 states to 3299 states and 3814 transitions. [2018-12-08 19:07:43,480 INFO L276 IsEmpty]: Start isEmpty. Operand 3299 states and 3814 transitions. [2018-12-08 19:07:43,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-12-08 19:07:43,481 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:07:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:07:44,555 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 430 proven. 63 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-08 19:07:48,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:07:48,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 3311 states and 3831 transitions. [2018-12-08 19:07:48,114 INFO L276 IsEmpty]: Start isEmpty. Operand 3311 states and 3831 transitions. [2018-12-08 19:07:48,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-08 19:07:48,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:07:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:07:50,261 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 19:07:54,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:07:54,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3903 states to 3381 states and 3903 transitions. [2018-12-08 19:07:54,333 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 3903 transitions. [2018-12-08 19:07:54,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-08 19:07:54,335 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:07:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:07:54,445 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 328 proven. 6 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-08 19:07:54,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:07:54,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3912 states to 3389 states and 3912 transitions. [2018-12-08 19:07:54,825 INFO L276 IsEmpty]: Start isEmpty. Operand 3389 states and 3912 transitions. [2018-12-08 19:07:54,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-08 19:07:54,826 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:07:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:07:54,899 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 328 proven. 6 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-08 19:07:55,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:07:55,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3912 states to 3390 states and 3912 transitions. [2018-12-08 19:07:55,309 INFO L276 IsEmpty]: Start isEmpty. Operand 3390 states and 3912 transitions. [2018-12-08 19:07:55,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2018-12-08 19:07:55,311 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:07:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:07:55,468 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2018-12-08 19:07:57,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:07:57,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3949 states to 3425 states and 3949 transitions. [2018-12-08 19:07:57,800 INFO L276 IsEmpty]: Start isEmpty. Operand 3425 states and 3949 transitions. [2018-12-08 19:07:57,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2018-12-08 19:07:57,802 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:07:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:07:57,962 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2018-12-08 19:08:01,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:08:01,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3983 states to 3461 states and 3983 transitions. [2018-12-08 19:08:01,493 INFO L276 IsEmpty]: Start isEmpty. Operand 3461 states and 3983 transitions. [2018-12-08 19:08:01,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2018-12-08 19:08:01,496 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:08:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:01,656 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2018-12-08 19:08:02,794 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 30 [2018-12-08 19:08:08,380 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2018-12-08 19:08:10,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:08:10,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4013 states to 3492 states and 4013 transitions. [2018-12-08 19:08:10,268 INFO L276 IsEmpty]: Start isEmpty. Operand 3492 states and 4013 transitions. [2018-12-08 19:08:10,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-08 19:08:10,270 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:08:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:10,332 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 439 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-08 19:08:16,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:08:16,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4064 states to 3532 states and 4064 transitions. [2018-12-08 19:08:16,301 INFO L276 IsEmpty]: Start isEmpty. Operand 3532 states and 4064 transitions. [2018-12-08 19:08:16,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-08 19:08:16,304 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:08:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:16,377 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 439 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-08 19:08:17,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:08:17,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4070 states to 3535 states and 4070 transitions. [2018-12-08 19:08:17,687 INFO L276 IsEmpty]: Start isEmpty. Operand 3535 states and 4070 transitions. [2018-12-08 19:08:17,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-08 19:08:17,688 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:08:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:17,750 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 439 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-08 19:08:18,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:08:18,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4077 states to 3540 states and 4077 transitions. [2018-12-08 19:08:18,694 INFO L276 IsEmpty]: Start isEmpty. Operand 3540 states and 4077 transitions. [2018-12-08 19:08:18,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-08 19:08:18,696 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:08:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:18,758 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 439 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-08 19:08:19,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:08:19,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4081 states to 3543 states and 4081 transitions. [2018-12-08 19:08:19,335 INFO L276 IsEmpty]: Start isEmpty. Operand 3543 states and 4081 transitions. [2018-12-08 19:08:19,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-12-08 19:08:19,336 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:08:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:20,732 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 469 proven. 110 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-08 19:08:22,211 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-08 19:08:28,316 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 26 [2018-12-08 19:08:30,962 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-08 19:08:33,923 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-08 19:08:35,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:08:35,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4124 states to 3579 states and 4124 transitions. [2018-12-08 19:08:35,567 INFO L276 IsEmpty]: Start isEmpty. Operand 3579 states and 4124 transitions. [2018-12-08 19:08:35,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-08 19:08:35,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:08:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:35,799 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 473 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-08 19:08:37,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:08:37,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4142 states to 3594 states and 4142 transitions. [2018-12-08 19:08:37,004 INFO L276 IsEmpty]: Start isEmpty. Operand 3594 states and 4142 transitions. [2018-12-08 19:08:37,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-08 19:08:37,005 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:08:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:37,236 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 473 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-08 19:08:37,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:08:37,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4145 states to 3597 states and 4145 transitions. [2018-12-08 19:08:37,821 INFO L276 IsEmpty]: Start isEmpty. Operand 3597 states and 4145 transitions. [2018-12-08 19:08:37,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-08 19:08:37,823 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:08:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:38,075 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 473 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-08 19:08:39,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:08:39,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4148 states to 3600 states and 4148 transitions. [2018-12-08 19:08:39,926 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 4148 transitions. [2018-12-08 19:08:39,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-12-08 19:08:39,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:08:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:40,354 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 374 proven. 6 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2018-12-08 19:08:40,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:08:40,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4153 states to 3605 states and 4153 transitions. [2018-12-08 19:08:40,754 INFO L276 IsEmpty]: Start isEmpty. Operand 3605 states and 4153 transitions. [2018-12-08 19:08:40,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-08 19:08:40,756 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:08:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:40,867 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 445 proven. 8 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-08 19:08:41,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:08:41,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4177 states to 3629 states and 4177 transitions. [2018-12-08 19:08:41,288 INFO L276 IsEmpty]: Start isEmpty. Operand 3629 states and 4177 transitions. [2018-12-08 19:08:41,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2018-12-08 19:08:41,289 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:08:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:41,345 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 512 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2018-12-08 19:08:44,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:08:44,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4198 states to 3649 states and 4198 transitions. [2018-12-08 19:08:44,113 INFO L276 IsEmpty]: Start isEmpty. Operand 3649 states and 4198 transitions. [2018-12-08 19:08:44,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2018-12-08 19:08:44,116 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:08:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:44,175 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 512 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2018-12-08 19:08:44,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:08:44,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4205 states to 3658 states and 4205 transitions. [2018-12-08 19:08:44,241 INFO L276 IsEmpty]: Start isEmpty. Operand 3658 states and 4205 transitions. [2018-12-08 19:08:44,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-12-08 19:08:44,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:08:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:44,405 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 391 proven. 15 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2018-12-08 19:08:45,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:08:45,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4215 states to 3668 states and 4215 transitions. [2018-12-08 19:08:45,125 INFO L276 IsEmpty]: Start isEmpty. Operand 3668 states and 4215 transitions. [2018-12-08 19:08:45,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-12-08 19:08:45,127 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:08:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:45,223 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 524 proven. 4 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-08 19:08:48,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:08:48,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4226 states to 3676 states and 4226 transitions. [2018-12-08 19:08:48,073 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 4226 transitions. [2018-12-08 19:08:48,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-12-08 19:08:48,075 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:08:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:48,170 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 524 proven. 4 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-08 19:08:49,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:08:49,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4231 states to 3681 states and 4231 transitions. [2018-12-08 19:08:49,051 INFO L276 IsEmpty]: Start isEmpty. Operand 3681 states and 4231 transitions. [2018-12-08 19:08:49,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-12-08 19:08:49,053 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:08:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:49,179 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 524 proven. 4 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-08 19:08:49,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:08:49,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4233 states to 3684 states and 4233 transitions. [2018-12-08 19:08:49,756 INFO L276 IsEmpty]: Start isEmpty. Operand 3684 states and 4233 transitions. [2018-12-08 19:08:49,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-12-08 19:08:49,758 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:08:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:49,840 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 402 proven. 6 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2018-12-08 19:08:50,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:08:50,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4234 states to 3685 states and 4234 transitions. [2018-12-08 19:08:50,190 INFO L276 IsEmpty]: Start isEmpty. Operand 3685 states and 4234 transitions. [2018-12-08 19:08:50,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-12-08 19:08:50,192 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:08:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:50,274 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 402 proven. 6 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2018-12-08 19:08:50,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:08:50,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4237 states to 3688 states and 4237 transitions. [2018-12-08 19:08:50,887 INFO L276 IsEmpty]: Start isEmpty. Operand 3688 states and 4237 transitions. [2018-12-08 19:08:50,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-12-08 19:08:50,889 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:08:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:50,971 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 402 proven. 6 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2018-12-08 19:08:51,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:08:51,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4246 states to 3698 states and 4246 transitions. [2018-12-08 19:08:51,413 INFO L276 IsEmpty]: Start isEmpty. Operand 3698 states and 4246 transitions. [2018-12-08 19:08:51,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-08 19:08:51,415 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:08:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:51,528 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-12-08 19:08:51,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:08:51,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4249 states to 3701 states and 4249 transitions. [2018-12-08 19:08:51,895 INFO L276 IsEmpty]: Start isEmpty. Operand 3701 states and 4249 transitions. [2018-12-08 19:08:51,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-08 19:08:51,897 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:08:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:51,970 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-12-08 19:08:52,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:08:52,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4249 states to 3702 states and 4249 transitions. [2018-12-08 19:08:52,428 INFO L276 IsEmpty]: Start isEmpty. Operand 3702 states and 4249 transitions. [2018-12-08 19:08:52,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-12-08 19:08:52,430 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:08:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:53,097 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 626 proven. 4 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-08 19:08:54,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:08:54,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4248 states to 3702 states and 4248 transitions. [2018-12-08 19:08:54,017 INFO L276 IsEmpty]: Start isEmpty. Operand 3702 states and 4248 transitions. [2018-12-08 19:08:54,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-12-08 19:08:54,019 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:08:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:54,271 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 506 proven. 8 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2018-12-08 19:08:54,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:08:54,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4256 states to 3711 states and 4256 transitions. [2018-12-08 19:08:54,399 INFO L276 IsEmpty]: Start isEmpty. Operand 3711 states and 4256 transitions. [2018-12-08 19:08:54,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-12-08 19:08:54,402 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:08:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:54,673 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 506 proven. 8 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2018-12-08 19:08:55,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:08:55,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4260 states to 3716 states and 4260 transitions. [2018-12-08 19:08:55,246 INFO L276 IsEmpty]: Start isEmpty. Operand 3716 states and 4260 transitions. [2018-12-08 19:08:55,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-12-08 19:08:55,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:08:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:55,366 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 578 proven. 8 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2018-12-08 19:08:55,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:08:55,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4278 states to 3735 states and 4278 transitions. [2018-12-08 19:08:55,457 INFO L276 IsEmpty]: Start isEmpty. Operand 3735 states and 4278 transitions. [2018-12-08 19:08:55,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-12-08 19:08:55,459 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:08:55,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:58,329 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 533 proven. 83 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-12-08 19:09:14,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:09:14,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4327 states to 3777 states and 4327 transitions. [2018-12-08 19:09:14,894 INFO L276 IsEmpty]: Start isEmpty. Operand 3777 states and 4327 transitions. [2018-12-08 19:09:14,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-12-08 19:09:14,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:09:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:09:15,345 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 533 proven. 83 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-12-08 19:09:21,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:09:21,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4333 states to 3783 states and 4333 transitions. [2018-12-08 19:09:21,677 INFO L276 IsEmpty]: Start isEmpty. Operand 3783 states and 4333 transitions. [2018-12-08 19:09:21,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-12-08 19:09:21,680 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:09:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:09:22,134 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 533 proven. 83 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-12-08 19:09:24,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:09:24,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4336 states to 3786 states and 4336 transitions. [2018-12-08 19:09:24,787 INFO L276 IsEmpty]: Start isEmpty. Operand 3786 states and 4336 transitions. [2018-12-08 19:09:24,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-12-08 19:09:24,789 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:09:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:09:25,191 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 533 proven. 83 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-12-08 19:09:25,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:09:25,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4341 states to 3791 states and 4341 transitions. [2018-12-08 19:09:25,837 INFO L276 IsEmpty]: Start isEmpty. Operand 3791 states and 4341 transitions. [2018-12-08 19:09:25,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-08 19:09:25,839 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:09:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:09:25,986 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 476 proven. 15 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2018-12-08 19:09:26,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:09:26,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4344 states to 3795 states and 4344 transitions. [2018-12-08 19:09:26,109 INFO L276 IsEmpty]: Start isEmpty. Operand 3795 states and 4344 transitions. [2018-12-08 19:09:26,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-08 19:09:26,111 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:09:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:09:26,265 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 476 proven. 15 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2018-12-08 19:09:27,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:09:27,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4360 states to 3810 states and 4360 transitions. [2018-12-08 19:09:27,613 INFO L276 IsEmpty]: Start isEmpty. Operand 3810 states and 4360 transitions. [2018-12-08 19:09:27,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-12-08 19:09:27,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:09:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:09:27,754 INFO L134 CoverageAnalysis]: Checked inductivity of 769 backedges. 478 proven. 10 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2018-12-08 19:09:28,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:09:28,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4394 states to 3839 states and 4394 transitions. [2018-12-08 19:09:28,647 INFO L276 IsEmpty]: Start isEmpty. Operand 3839 states and 4394 transitions. [2018-12-08 19:09:28,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-12-08 19:09:28,649 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:09:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:09:28,790 INFO L134 CoverageAnalysis]: Checked inductivity of 769 backedges. 478 proven. 10 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2018-12-08 19:09:29,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:09:29,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4397 states to 3842 states and 4397 transitions. [2018-12-08 19:09:29,488 INFO L276 IsEmpty]: Start isEmpty. Operand 3842 states and 4397 transitions. [2018-12-08 19:09:29,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-12-08 19:09:29,490 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:09:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:09:29,689 INFO L134 CoverageAnalysis]: Checked inductivity of 769 backedges. 478 proven. 10 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2018-12-08 19:09:30,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:09:30,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4400 states to 3845 states and 4400 transitions. [2018-12-08 19:09:30,369 INFO L276 IsEmpty]: Start isEmpty. Operand 3845 states and 4400 transitions. [2018-12-08 19:09:30,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-12-08 19:09:30,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:09:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:09:30,521 INFO L134 CoverageAnalysis]: Checked inductivity of 769 backedges. 478 proven. 10 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2018-12-08 19:09:33,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:09:33,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4409 states to 3853 states and 4409 transitions. [2018-12-08 19:09:33,071 INFO L276 IsEmpty]: Start isEmpty. Operand 3853 states and 4409 transitions. [2018-12-08 19:09:33,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-12-08 19:09:33,073 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:09:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:09:33,243 INFO L134 CoverageAnalysis]: Checked inductivity of 769 backedges. 478 proven. 10 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2018-12-08 19:09:35,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:09:35,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4412 states to 3856 states and 4412 transitions. [2018-12-08 19:09:35,282 INFO L276 IsEmpty]: Start isEmpty. Operand 3856 states and 4412 transitions. [2018-12-08 19:09:35,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-12-08 19:09:35,284 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:09:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:09:35,483 INFO L134 CoverageAnalysis]: Checked inductivity of 769 backedges. 478 proven. 10 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2018-12-08 19:09:36,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:09:36,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4415 states to 3859 states and 4415 transitions. [2018-12-08 19:09:36,155 INFO L276 IsEmpty]: Start isEmpty. Operand 3859 states and 4415 transitions. [2018-12-08 19:09:36,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2018-12-08 19:09:36,157 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:09:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:09:36,336 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 670 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-12-08 19:09:40,983 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-08 19:09:42,746 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-08 19:09:44,775 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-08 19:09:45,197 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-08 19:09:46,041 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-08 19:09:46,705 WARN L180 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-08 19:09:48,927 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-08 19:09:50,810 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-12-08 19:09:51,472 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-08 19:09:55,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:09:55,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4487 states to 3929 states and 4487 transitions. [2018-12-08 19:09:55,545 INFO L276 IsEmpty]: Start isEmpty. Operand 3929 states and 4487 transitions. [2018-12-08 19:09:55,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2018-12-08 19:09:55,547 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:09:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:09:55,725 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 670 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-12-08 19:10:00,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:10:00,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4496 states to 3940 states and 4496 transitions. [2018-12-08 19:10:00,743 INFO L276 IsEmpty]: Start isEmpty. Operand 3940 states and 4496 transitions. [2018-12-08 19:10:00,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2018-12-08 19:10:00,745 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:10:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:10:01,045 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 631 proven. 4 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-12-08 19:10:06,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:10:06,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4548 states to 3989 states and 4548 transitions. [2018-12-08 19:10:06,839 INFO L276 IsEmpty]: Start isEmpty. Operand 3989 states and 4548 transitions. [2018-12-08 19:10:06,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2018-12-08 19:10:06,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:10:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:10:07,106 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 631 proven. 4 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-12-08 19:10:08,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:10:08,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4558 states to 4000 states and 4558 transitions. [2018-12-08 19:10:08,483 INFO L276 IsEmpty]: Start isEmpty. Operand 4000 states and 4558 transitions. [2018-12-08 19:10:08,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2018-12-08 19:10:08,485 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:10:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:10:08,570 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 534 proven. 2 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2018-12-08 19:10:09,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:10:09,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4609 states to 4052 states and 4609 transitions. [2018-12-08 19:10:09,685 INFO L276 IsEmpty]: Start isEmpty. Operand 4052 states and 4609 transitions. [2018-12-08 19:10:09,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2018-12-08 19:10:09,687 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:10:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:10:09,772 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 534 proven. 2 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2018-12-08 19:10:14,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:10:14,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4651 states to 4095 states and 4651 transitions. [2018-12-08 19:10:14,102 INFO L276 IsEmpty]: Start isEmpty. Operand 4095 states and 4651 transitions. [2018-12-08 19:10:14,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2018-12-08 19:10:14,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:10:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:10:15,092 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 460 proven. 157 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-08 19:10:21,863 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2018-12-08 19:10:31,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:10:31,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4706 states to 4139 states and 4706 transitions. [2018-12-08 19:10:31,884 INFO L276 IsEmpty]: Start isEmpty. Operand 4139 states and 4706 transitions. [2018-12-08 19:10:31,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2018-12-08 19:10:31,887 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:10:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:10:32,034 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 460 proven. 157 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-08 19:10:38,918 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2018-12-08 19:10:40,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:10:40,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4736 states to 4171 states and 4736 transitions. [2018-12-08 19:10:40,374 INFO L276 IsEmpty]: Start isEmpty. Operand 4171 states and 4736 transitions. [2018-12-08 19:10:40,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2018-12-08 19:10:40,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:10:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:10:40,524 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 460 proven. 157 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-08 19:10:44,531 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2018-12-08 19:10:46,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:10:46,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4750 states to 4185 states and 4750 transitions. [2018-12-08 19:10:46,801 INFO L276 IsEmpty]: Start isEmpty. Operand 4185 states and 4750 transitions. [2018-12-08 19:10:46,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-08 19:10:46,803 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:10:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:10:47,053 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 671 proven. 4 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-12-08 19:10:47,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:10:47,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4752 states to 4187 states and 4752 transitions. [2018-12-08 19:10:47,522 INFO L276 IsEmpty]: Start isEmpty. Operand 4187 states and 4752 transitions. [2018-12-08 19:10:47,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-08 19:10:47,524 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:10:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:10:47,813 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 671 proven. 4 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-12-08 19:10:50,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:10:50,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4758 states to 4191 states and 4758 transitions. [2018-12-08 19:10:50,076 INFO L276 IsEmpty]: Start isEmpty. Operand 4191 states and 4758 transitions. [2018-12-08 19:10:50,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-08 19:10:50,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:10:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:10:50,336 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 671 proven. 4 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-12-08 19:10:51,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:10:51,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4763 states to 4195 states and 4763 transitions. [2018-12-08 19:10:51,086 INFO L276 IsEmpty]: Start isEmpty. Operand 4195 states and 4763 transitions. [2018-12-08 19:10:51,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-08 19:10:51,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:10:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:10:51,257 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 485 proven. 20 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2018-12-08 19:10:56,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:10:56,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4811 states to 4235 states and 4811 transitions. [2018-12-08 19:10:56,345 INFO L276 IsEmpty]: Start isEmpty. Operand 4235 states and 4811 transitions. [2018-12-08 19:10:56,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-08 19:10:56,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:10:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:10:56,503 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 485 proven. 20 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2018-12-08 19:11:02,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:11:02,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4818 states to 4240 states and 4818 transitions. [2018-12-08 19:11:02,331 INFO L276 IsEmpty]: Start isEmpty. Operand 4240 states and 4818 transitions. [2018-12-08 19:11:02,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-08 19:11:02,333 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:11:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:11:02,502 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 485 proven. 20 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2018-12-08 19:11:05,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:11:05,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4821 states to 4243 states and 4821 transitions. [2018-12-08 19:11:05,245 INFO L276 IsEmpty]: Start isEmpty. Operand 4243 states and 4821 transitions. [2018-12-08 19:11:05,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-08 19:11:05,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:11:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:11:05,426 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 485 proven. 20 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2018-12-08 19:11:07,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:11:07,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4824 states to 4247 states and 4824 transitions. [2018-12-08 19:11:07,600 INFO L276 IsEmpty]: Start isEmpty. Operand 4247 states and 4824 transitions. [2018-12-08 19:11:07,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 19:11:07,602 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:11:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:11:07,697 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 727 proven. 4 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-08 19:11:12,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:11:12,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4879 states to 4302 states and 4879 transitions. [2018-12-08 19:11:12,537 INFO L276 IsEmpty]: Start isEmpty. Operand 4302 states and 4879 transitions. [2018-12-08 19:11:12,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 19:11:12,539 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:11:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:11:12,629 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 727 proven. 4 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-08 19:11:12,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:11:12,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4922 states to 4345 states and 4922 transitions. [2018-12-08 19:11:12,821 INFO L276 IsEmpty]: Start isEmpty. Operand 4345 states and 4922 transitions. [2018-12-08 19:11:12,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 19:11:12,824 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:11:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:11:12,915 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 727 proven. 4 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-08 19:11:14,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:11:14,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4931 states to 4354 states and 4931 transitions. [2018-12-08 19:11:14,308 INFO L276 IsEmpty]: Start isEmpty. Operand 4354 states and 4931 transitions. [2018-12-08 19:11:14,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 19:11:14,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:11:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:11:14,406 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 727 proven. 4 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-08 19:11:15,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:11:15,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4934 states to 4357 states and 4934 transitions. [2018-12-08 19:11:15,165 INFO L276 IsEmpty]: Start isEmpty. Operand 4357 states and 4934 transitions. [2018-12-08 19:11:15,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 19:11:15,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:11:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:11:15,261 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 727 proven. 4 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-08 19:11:19,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:11:19,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4976 states to 4400 states and 4976 transitions. [2018-12-08 19:11:19,229 INFO L276 IsEmpty]: Start isEmpty. Operand 4400 states and 4976 transitions. [2018-12-08 19:11:19,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 19:11:19,232 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:11:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:11:19,330 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 727 proven. 4 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-08 19:11:19,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:11:19,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4978 states to 4403 states and 4978 transitions. [2018-12-08 19:11:19,875 INFO L276 IsEmpty]: Start isEmpty. Operand 4403 states and 4978 transitions. [2018-12-08 19:11:19,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-12-08 19:11:19,878 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:11:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:11:22,406 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 592 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2018-12-08 19:11:28,736 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-08 19:11:31,156 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-08 19:11:36,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:11:36,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5058 states to 4481 states and 5058 transitions. [2018-12-08 19:11:36,596 INFO L276 IsEmpty]: Start isEmpty. Operand 4481 states and 5058 transitions. [2018-12-08 19:11:36,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-12-08 19:11:36,599 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:11:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:11:41,101 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 141 proven. 564 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-08 19:11:44,888 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-12-08 19:11:45,536 WARN L180 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2018-12-08 19:11:45,962 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 21 [2018-12-08 19:11:49,498 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-08 19:11:50,949 WARN L180 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2018-12-08 19:12:01,659 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2018-12-08 19:12:03,686 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 27 [2018-12-08 19:12:11,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:12:11,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5207 states to 4615 states and 5207 transitions. [2018-12-08 19:12:11,332 INFO L276 IsEmpty]: Start isEmpty. Operand 4615 states and 5207 transitions. [2018-12-08 19:12:11,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-12-08 19:12:11,335 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:12:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:12:11,834 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 141 proven. 564 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-08 19:12:14,702 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2018-12-08 19:12:18,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:12:18,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5260 states to 4665 states and 5260 transitions. [2018-12-08 19:12:18,075 INFO L276 IsEmpty]: Start isEmpty. Operand 4665 states and 5260 transitions. [2018-12-08 19:12:18,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-12-08 19:12:18,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:12:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:12:18,574 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 141 proven. 564 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-08 19:12:24,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:12:24,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5271 states to 4675 states and 5271 transitions. [2018-12-08 19:12:24,848 INFO L276 IsEmpty]: Start isEmpty. Operand 4675 states and 5271 transitions. [2018-12-08 19:12:24,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-12-08 19:12:24,854 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:12:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:12:25,393 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 141 proven. 564 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-08 19:12:25,929 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 19 [2018-12-08 19:12:28,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:12:28,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5285 states to 4689 states and 5285 transitions. [2018-12-08 19:12:28,246 INFO L276 IsEmpty]: Start isEmpty. Operand 4689 states and 5285 transitions. [2018-12-08 19:12:28,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-12-08 19:12:28,249 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:12:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:12:28,746 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 141 proven. 564 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-08 19:12:29,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:12:29,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5291 states to 4695 states and 5291 transitions. [2018-12-08 19:12:29,608 INFO L276 IsEmpty]: Start isEmpty. Operand 4695 states and 5291 transitions. [2018-12-08 19:12:29,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-12-08 19:12:29,612 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:12:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:12:30,096 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 141 proven. 564 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-08 19:12:32,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:12:32,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5317 states to 4717 states and 5317 transitions. [2018-12-08 19:12:32,214 INFO L276 IsEmpty]: Start isEmpty. Operand 4717 states and 5317 transitions. [2018-12-08 19:12:32,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-12-08 19:12:32,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:12:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:12:32,718 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 141 proven. 564 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-08 19:12:37,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:12:37,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5327 states to 4727 states and 5327 transitions. [2018-12-08 19:12:37,842 INFO L276 IsEmpty]: Start isEmpty. Operand 4727 states and 5327 transitions. [2018-12-08 19:12:37,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-12-08 19:12:37,846 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:12:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:12:38,366 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 141 proven. 564 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-08 19:12:38,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:12:38,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5331 states to 4732 states and 5331 transitions. [2018-12-08 19:12:38,852 INFO L276 IsEmpty]: Start isEmpty. Operand 4732 states and 5331 transitions. [2018-12-08 19:12:38,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2018-12-08 19:12:38,855 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:12:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:12:39,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1389 backedges. 212 proven. 755 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2018-12-08 19:12:44,835 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2018-12-08 19:12:48,664 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2018-12-08 19:12:50,997 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 24 [2018-12-08 19:12:56,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:12:56,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5411 states to 4811 states and 5411 transitions. [2018-12-08 19:12:56,516 INFO L276 IsEmpty]: Start isEmpty. Operand 4811 states and 5411 transitions. [2018-12-08 19:12:56,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2018-12-08 19:12:56,521 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:12:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:12:57,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1389 backedges. 212 proven. 755 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2018-12-08 19:13:03,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:13:03,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5455 states to 4851 states and 5455 transitions. [2018-12-08 19:13:03,631 INFO L276 IsEmpty]: Start isEmpty. Operand 4851 states and 5455 transitions. [2018-12-08 19:13:03,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2018-12-08 19:13:03,633 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:13:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:13:04,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1389 backedges. 212 proven. 755 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2018-12-08 19:13:11,408 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2018-12-08 19:13:12,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:13:12,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5483 states to 4872 states and 5483 transitions. [2018-12-08 19:13:12,888 INFO L276 IsEmpty]: Start isEmpty. Operand 4872 states and 5483 transitions. [2018-12-08 19:13:12,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2018-12-08 19:13:12,893 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:13:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:13:13,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1389 backedges. 212 proven. 755 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2018-12-08 19:13:14,595 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 28 [2018-12-08 19:13:19,731 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2018-12-08 19:13:26,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:13:26,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5501 states to 4892 states and 5501 transitions. [2018-12-08 19:13:26,112 INFO L276 IsEmpty]: Start isEmpty. Operand 4892 states and 5501 transitions. [2018-12-08 19:13:26,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2018-12-08 19:13:26,116 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:13:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:13:26,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1389 backedges. 212 proven. 755 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2018-12-08 19:13:27,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:13:27,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5505 states to 4897 states and 5505 transitions. [2018-12-08 19:13:27,229 INFO L276 IsEmpty]: Start isEmpty. Operand 4897 states and 5505 transitions. [2018-12-08 19:13:27,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2018-12-08 19:13:27,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:13:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:13:27,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1389 backedges. 212 proven. 755 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2018-12-08 19:13:29,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:13:29,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4982 states to 4408 states and 4982 transitions. [2018-12-08 19:13:29,346 INFO L276 IsEmpty]: Start isEmpty. Operand 4408 states and 4982 transitions. [2018-12-08 19:13:29,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 19:13:29,348 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 265 iterations. [2018-12-08 19:13:29,355 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 19:13:29,637 WARN L180 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 45 [2018-12-08 19:13:29,895 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 48 [2018-12-08 19:13:30,196 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 44 [2018-12-08 19:13:30,510 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 44 [2018-12-08 19:13:30,740 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 44 [2018-12-08 19:13:30,855 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 26 [2018-12-08 19:13:31,083 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 48 [2018-12-08 19:13:31,334 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 26 [2018-12-08 19:13:31,580 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 44 [2018-12-08 19:13:31,912 WARN L180 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 44 [2018-12-08 19:13:32,046 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 26 [2018-12-08 19:13:32,265 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 26 [2018-12-08 19:13:32,494 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 26 [2018-12-08 19:13:32,630 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 26 [2018-12-08 19:13:32,764 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 26 [2018-12-08 19:13:32,936 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 26 [2018-12-08 19:13:33,245 WARN L180 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 43 [2018-12-08 19:13:33,470 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 43 [2018-12-08 19:13:33,740 WARN L180 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 44 [2018-12-08 19:13:33,880 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 26 [2018-12-08 19:13:34,291 WARN L180 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 26 [2018-12-08 19:13:34,559 WARN L180 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 44 [2018-12-08 19:13:34,796 WARN L180 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 48 [2018-12-08 19:13:34,943 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 26 [2018-12-08 19:13:35,135 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 26 [2018-12-08 19:13:35,763 WARN L180 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 57 [2018-12-08 19:13:35,895 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 26 [2018-12-08 19:13:36,168 WARN L180 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 44 [2018-12-08 19:13:36,295 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 26 [2018-12-08 19:13:36,520 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 44 [2018-12-08 19:13:36,686 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 26 [2018-12-08 19:13:36,913 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 44 [2018-12-08 19:13:37,044 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 26 [2018-12-08 19:13:37,321 WARN L180 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 43 [2018-12-08 19:13:37,452 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 26 [2018-12-08 19:13:37,590 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 26 [2018-12-08 19:13:37,817 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 44 [2018-12-08 19:13:37,953 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 26 [2018-12-08 19:13:38,096 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 26 [2018-12-08 19:13:38,348 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 52 [2018-12-08 19:13:38,666 WARN L180 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 44 [2018-12-08 19:13:38,809 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 26 [2018-12-08 19:13:38,982 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 26 [2018-12-08 19:13:39,252 WARN L180 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 43 [2018-12-08 19:13:39,387 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 26 [2018-12-08 19:13:39,604 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 46 [2018-12-08 19:13:39,921 WARN L180 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 44 [2018-12-08 19:13:40,068 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 26 [2018-12-08 19:13:40,227 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 26 [2018-12-08 19:13:40,542 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 26 [2018-12-08 19:13:40,785 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 44 [2018-12-08 19:13:41,082 WARN L180 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 43 [2018-12-08 19:13:41,183 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 26 [2018-12-08 19:13:41,441 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 44 [2018-12-08 19:13:41,696 WARN L180 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 48 [2018-12-08 19:13:41,855 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 26 [2018-12-08 19:13:42,014 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 26 [2018-12-08 19:13:42,343 WARN L180 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 44 [2018-12-08 19:13:42,570 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 45 [2018-12-08 19:13:42,693 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 26 [2018-12-08 19:13:42,821 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 26 [2018-12-08 19:13:42,953 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 26 [2018-12-08 19:13:43,350 WARN L180 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 26 [2018-12-08 19:13:43,630 WARN L180 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 44 [2018-12-08 19:13:43,956 WARN L180 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 43 [2018-12-08 19:13:44,121 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 26 [2018-12-08 19:13:44,381 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 52 [2018-12-08 19:13:44,536 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 26 [2018-12-08 19:13:44,701 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 26 [2018-12-08 19:13:44,962 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 48 [2018-12-08 19:13:44,963 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 19:13:44,965 INFO L583 CodeCheckObserver]: Invariant with dag size 26 [2018-12-08 19:13:44,970 INFO L583 CodeCheckObserver]: Invariant with dag size 26 [2018-12-08 19:13:44,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 07:13:44 ImpRootNode [2018-12-08 19:13:44,971 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 19:13:44,971 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 19:13:44,971 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 19:13:44,972 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 19:13:44,972 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:03:02" (3/4) ... [2018-12-08 19:13:44,975 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 19:13:44,986 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-12-08 19:13:44,987 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-08 19:13:44,987 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-08 19:13:44,988 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 19:13:45,045 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_600f4cfa-f055-4d99-a1a1-c737ee96c846/bin-2019/ukojak/witness.graphml [2018-12-08 19:13:45,045 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 19:13:45,046 INFO L168 Benchmark]: Toolchain (without parser) took 643999.26 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 950.6 MB in the beginning and 1.3 GB in the end (delta: -381.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-08 19:13:45,046 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:13:45,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -149.4 MB). Peak memory consumption was 57.1 MB. Max. memory is 11.5 GB. [2018-12-08 19:13:45,047 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.01 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2018-12-08 19:13:45,047 INFO L168 Benchmark]: Boogie Preprocessor took 27.50 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 19:13:45,047 INFO L168 Benchmark]: RCFGBuilder took 1055.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 875.6 MB in the end (delta: 212.5 MB). Peak memory consumption was 212.5 MB. Max. memory is 11.5 GB. [2018-12-08 19:13:45,047 INFO L168 Benchmark]: CodeCheck took 642394.02 ms. Allocated memory was 1.1 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 875.6 MB in the beginning and 1.3 GB in the end (delta: -456.5 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2018-12-08 19:13:45,047 INFO L168 Benchmark]: Witness Printer took 74.09 ms. Allocated memory is still 2.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. [2018-12-08 19:13:45,048 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, 626.7s OverallTime, 265 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1540983972 SDtfs, 196451832 SDslu, 457788184 SDs, 0 SdLazy, 1891144296 SolverSat, -1400445860 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2020.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 447871 GetRequests, 431023 SyntacticMatches, 14396 SemanticMatches, 2452 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4939264 ImplicationChecksByTransitivity, 567.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 38.8s InterpolantComputationTime, 70649 NumberOfCodeBlocks, 70649 NumberOfCodeBlocksAsserted, 264 NumberOfCheckSat, 70385 ConstructedInterpolants, 0 QuantifiedInterpolants, 107788049 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 264 InterpolantComputations, 147 PerfectInterpolantSequences, 97218/107873 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: 487]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((a19 == 1 || !(a25 == 1)) || (a17 == 8 && !(a11 == 1))) || (a17 == 8 && !(a28 == 10))) || (((a28 == 9 && a17 == 7) && a21 == 1) && a11 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((a19 == 1 || (a17 == 8 && !(a11 == 1))) || !(a25 == 1)) || (a17 == 8 && !(a28 == 10))) || (((a28 == 9 && a17 == 7) && a21 == 1) && a11 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 391.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -149.4 MB). Peak memory consumption was 57.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.01 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.50 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. * RCFGBuilder took 1055.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 875.6 MB in the end (delta: 212.5 MB). Peak memory consumption was 212.5 MB. Max. memory is 11.5 GB. * CodeCheck took 642394.02 ms. Allocated memory was 1.1 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 875.6 MB in the beginning and 1.3 GB in the end (delta: -456.5 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. * Witness Printer took 74.09 ms. Allocated memory is still 2.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...