./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label10_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_3524ad3d-db1d-4f92-a513-4e109f43699d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3524ad3d-db1d-4f92-a513-4e109f43699d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3524ad3d-db1d-4f92-a513-4e109f43699d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3524ad3d-db1d-4f92-a513-4e109f43699d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3524ad3d-db1d-4f92-a513-4e109f43699d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3524ad3d-db1d-4f92-a513-4e109f43699d/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 d90d90ab0f83213f6e486d9f5a42850d0f82e05d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 20:18:58,639 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 20:18:58,640 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 20:18:58,646 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 20:18:58,646 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 20:18:58,647 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 20:18:58,648 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 20:18:58,649 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 20:18:58,649 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 20:18:58,650 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 20:18:58,650 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 20:18:58,650 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 20:18:58,651 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 20:18:58,652 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 20:18:58,652 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 20:18:58,653 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 20:18:58,653 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 20:18:58,654 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 20:18:58,655 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 20:18:58,656 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 20:18:58,656 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 20:18:58,657 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 20:18:58,658 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 20:18:58,658 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 20:18:58,658 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 20:18:58,659 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 20:18:58,659 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 20:18:58,660 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 20:18:58,660 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 20:18:58,661 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 20:18:58,661 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 20:18:58,661 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 20:18:58,662 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 20:18:58,662 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 20:18:58,662 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 20:18:58,663 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 20:18:58,663 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3524ad3d-db1d-4f92-a513-4e109f43699d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 20:18:58,670 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 20:18:58,670 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 20:18:58,671 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 20:18:58,671 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 20:18:58,671 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 20:18:58,671 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 20:18:58,672 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 20:18:58,672 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 20:18:58,672 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 20:18:58,672 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 20:18:58,672 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 20:18:58,672 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 20:18:58,672 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 20:18:58,672 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 20:18:58,673 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 20:18:58,673 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 20:18:58,673 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 20:18:58,673 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 20:18:58,673 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 20:18:58,673 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 20:18:58,673 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 20:18:58,673 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 20:18:58,674 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 20:18:58,674 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 20:18:58,674 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 20:18:58,674 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 20:18:58,674 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 20:18:58,674 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 20:18:58,674 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 20:18:58,674 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_3524ad3d-db1d-4f92-a513-4e109f43699d/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 -> d90d90ab0f83213f6e486d9f5a42850d0f82e05d [2018-12-01 20:18:58,692 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 20:18:58,698 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 20:18:58,700 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 20:18:58,701 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 20:18:58,701 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 20:18:58,702 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3524ad3d-db1d-4f92-a513-4e109f43699d/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c [2018-12-01 20:18:58,738 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3524ad3d-db1d-4f92-a513-4e109f43699d/bin-2019/ukojak/data/f8be1877c/bc8ad53528614e73a2b864a8634f3f2b/FLAGc210f4a47 [2018-12-01 20:18:59,151 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 20:18:59,151 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3524ad3d-db1d-4f92-a513-4e109f43699d/sv-benchmarks/c/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c [2018-12-01 20:18:59,158 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3524ad3d-db1d-4f92-a513-4e109f43699d/bin-2019/ukojak/data/f8be1877c/bc8ad53528614e73a2b864a8634f3f2b/FLAGc210f4a47 [2018-12-01 20:18:59,166 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3524ad3d-db1d-4f92-a513-4e109f43699d/bin-2019/ukojak/data/f8be1877c/bc8ad53528614e73a2b864a8634f3f2b [2018-12-01 20:18:59,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 20:18:59,169 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 20:18:59,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 20:18:59,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 20:18:59,172 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 20:18:59,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 08:18:59" (1/1) ... [2018-12-01 20:18:59,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1782ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:18:59, skipping insertion in model container [2018-12-01 20:18:59,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 08:18:59" (1/1) ... [2018-12-01 20:18:59,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 20:18:59,203 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 20:18:59,377 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 20:18:59,380 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 20:18:59,427 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 20:18:59,484 INFO L195 MainTranslator]: Completed translation [2018-12-01 20:18:59,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:18:59 WrapperNode [2018-12-01 20:18:59,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 20:18:59,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 20:18:59,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 20:18:59,485 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 20:18:59,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:18:59" (1/1) ... [2018-12-01 20:18:59,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:18:59" (1/1) ... [2018-12-01 20:18:59,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 20:18:59,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 20:18:59,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 20:18:59,529 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 20:18:59,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:18:59" (1/1) ... [2018-12-01 20:18:59,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:18:59" (1/1) ... [2018-12-01 20:18:59,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:18:59" (1/1) ... [2018-12-01 20:18:59,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:18:59" (1/1) ... [2018-12-01 20:18:59,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:18:59" (1/1) ... [2018-12-01 20:18:59,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:18:59" (1/1) ... [2018-12-01 20:18:59,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:18:59" (1/1) ... [2018-12-01 20:18:59,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 20:18:59,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 20:18:59,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 20:18:59,570 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 20:18:59,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:18:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3524ad3d-db1d-4f92-a513-4e109f43699d/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 [2018-12-01 20:18:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 20:18:59,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 20:19:00,554 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 20:19:00,555 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 20:19:00,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:19:00 BoogieIcfgContainer [2018-12-01 20:19:00,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 20:19:00,556 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 20:19:00,556 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 20:19:00,565 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 20:19:00,566 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:19:00" (1/1) ... [2018-12-01 20:19:00,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 20:19:00,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:00,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-01 20:19:00,605 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-01 20:19:00,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 20:19:00,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:00,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:19:01,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:01,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 145 states and 244 transitions. [2018-12-01 20:19:01,130 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 244 transitions. [2018-12-01 20:19:01,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 20:19:01,131 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:01,221 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:19:01,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:01,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 146 states and 245 transitions. [2018-12-01 20:19:01,371 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 245 transitions. [2018-12-01 20:19:01,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 20:19:01,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:01,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:19:01,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:01,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 150 states and 253 transitions. [2018-12-01 20:19:01,479 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 253 transitions. [2018-12-01 20:19:01,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-01 20:19:01,483 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:01,547 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:19:01,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:01,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 154 states and 260 transitions. [2018-12-01 20:19:01,663 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 260 transitions. [2018-12-01 20:19:01,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-01 20:19:01,664 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:01,677 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 20:19:01,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:01,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 155 states and 261 transitions. [2018-12-01 20:19:01,712 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 261 transitions. [2018-12-01 20:19:01,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 20:19:01,713 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:01,741 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 20:19:02,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:02,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 166 states and 281 transitions. [2018-12-01 20:19:02,039 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 281 transitions. [2018-12-01 20:19:02,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-01 20:19:02,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:02,104 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:19:02,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:02,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 180 states and 300 transitions. [2018-12-01 20:19:02,433 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 300 transitions. [2018-12-01 20:19:02,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-01 20:19:02,434 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:02,503 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:19:02,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:02,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 195 states and 321 transitions. [2018-12-01 20:19:02,925 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 321 transitions. [2018-12-01 20:19:02,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-01 20:19:02,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:02,942 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:19:03,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:03,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 201 states and 330 transitions. [2018-12-01 20:19:03,215 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 330 transitions. [2018-12-01 20:19:03,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-01 20:19:03,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:03,238 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:19:03,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:03,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 205 states and 336 transitions. [2018-12-01 20:19:03,329 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 336 transitions. [2018-12-01 20:19:03,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-01 20:19:03,330 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:03,381 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:19:03,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:03,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 220 states and 361 transitions. [2018-12-01 20:19:03,927 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 361 transitions. [2018-12-01 20:19:03,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-01 20:19:03,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:03,946 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:19:04,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:04,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 221 states and 364 transitions. [2018-12-01 20:19:04,101 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 364 transitions. [2018-12-01 20:19:04,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-01 20:19:04,102 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:04,123 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 20:19:04,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:04,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 232 states and 375 transitions. [2018-12-01 20:19:04,318 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 375 transitions. [2018-12-01 20:19:04,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-01 20:19:04,319 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:04,337 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 20:19:04,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:04,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 235 states and 377 transitions. [2018-12-01 20:19:04,520 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 377 transitions. [2018-12-01 20:19:04,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-01 20:19:04,521 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:04,569 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 20:19:05,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:05,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 249 states and 400 transitions. [2018-12-01 20:19:05,168 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 400 transitions. [2018-12-01 20:19:05,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-01 20:19:05,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:05,185 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 20:19:05,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:05,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 250 states and 401 transitions. [2018-12-01 20:19:05,325 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 401 transitions. [2018-12-01 20:19:05,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-01 20:19:05,325 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:05,353 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:19:05,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:05,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 267 states and 421 transitions. [2018-12-01 20:19:05,610 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 421 transitions. [2018-12-01 20:19:05,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-01 20:19:05,611 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:05,624 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 20:19:05,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:05,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 279 states and 436 transitions. [2018-12-01 20:19:05,750 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 436 transitions. [2018-12-01 20:19:05,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-01 20:19:05,750 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:05,765 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 20:19:05,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:05,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 282 states and 440 transitions. [2018-12-01 20:19:05,863 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 440 transitions. [2018-12-01 20:19:05,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-01 20:19:05,864 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:05,876 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 20:19:05,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:05,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 283 states and 442 transitions. [2018-12-01 20:19:05,897 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 442 transitions. [2018-12-01 20:19:05,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-01 20:19:05,897 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:05,909 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:19:06,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:06,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 294 states and 456 transitions. [2018-12-01 20:19:06,116 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 456 transitions. [2018-12-01 20:19:06,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-01 20:19:06,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:06,179 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:19:07,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:07,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 321 states and 493 transitions. [2018-12-01 20:19:07,003 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 493 transitions. [2018-12-01 20:19:07,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-01 20:19:07,004 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:07,016 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 20:19:07,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:07,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 330 states and 501 transitions. [2018-12-01 20:19:07,255 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 501 transitions. [2018-12-01 20:19:07,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 20:19:07,255 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:07,270 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 20:19:07,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:07,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 334 states and 505 transitions. [2018-12-01 20:19:07,336 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 505 transitions. [2018-12-01 20:19:07,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 20:19:07,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:07,351 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 20:19:07,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:07,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 338 states and 509 transitions. [2018-12-01 20:19:07,485 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 509 transitions. [2018-12-01 20:19:07,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 20:19:07,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:07,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:07,501 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:19:07,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:07,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 342 states and 515 transitions. [2018-12-01 20:19:07,702 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 515 transitions. [2018-12-01 20:19:07,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 20:19:07,702 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:07,716 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:19:07,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:07,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 356 states and 529 transitions. [2018-12-01 20:19:07,974 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 529 transitions. [2018-12-01 20:19:07,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 20:19:07,975 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:07,989 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 20:19:08,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:08,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 358 states and 531 transitions. [2018-12-01 20:19:08,047 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 531 transitions. [2018-12-01 20:19:08,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 20:19:08,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:08,107 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 20:19:08,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:08,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 384 states and 565 transitions. [2018-12-01 20:19:08,923 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 565 transitions. [2018-12-01 20:19:08,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-01 20:19:08,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:08,957 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:19:09,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:09,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 454 states and 640 transitions. [2018-12-01 20:19:09,331 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 640 transitions. [2018-12-01 20:19:09,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-01 20:19:09,331 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:09,400 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:19:09,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:09,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 459 states and 646 transitions. [2018-12-01 20:19:09,658 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 646 transitions. [2018-12-01 20:19:09,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-01 20:19:09,659 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:09,680 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 20:19:10,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:10,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 483 states and 678 transitions. [2018-12-01 20:19:10,790 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 678 transitions. [2018-12-01 20:19:10,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-01 20:19:10,791 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:10,832 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 20:19:11,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:11,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 486 states and 682 transitions. [2018-12-01 20:19:11,136 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 682 transitions. [2018-12-01 20:19:11,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-01 20:19:11,136 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:11,154 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 20:19:11,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:11,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 494 states and 690 transitions. [2018-12-01 20:19:11,386 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 690 transitions. [2018-12-01 20:19:11,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-01 20:19:11,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:11,404 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 20:19:11,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:11,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 497 states and 694 transitions. [2018-12-01 20:19:11,690 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 694 transitions. [2018-12-01 20:19:11,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-01 20:19:11,691 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:11,709 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 20:19:12,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:12,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 511 states and 713 transitions. [2018-12-01 20:19:12,392 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 713 transitions. [2018-12-01 20:19:12,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-01 20:19:12,392 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:12,503 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 20:19:13,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:13,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 529 states and 740 transitions. [2018-12-01 20:19:13,009 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 740 transitions. [2018-12-01 20:19:13,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-01 20:19:13,010 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:13,027 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 20:19:13,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:13,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 539 states and 753 transitions. [2018-12-01 20:19:13,524 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 753 transitions. [2018-12-01 20:19:13,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-01 20:19:13,524 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:13,542 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 20:19:14,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:14,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 550 states and 769 transitions. [2018-12-01 20:19:14,058 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 769 transitions. [2018-12-01 20:19:14,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-01 20:19:14,059 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:14,075 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 20:19:14,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:14,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 552 states and 771 transitions. [2018-12-01 20:19:14,239 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 771 transitions. [2018-12-01 20:19:14,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-01 20:19:14,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:14,257 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 20:19:14,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:14,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 553 states and 774 transitions. [2018-12-01 20:19:14,411 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 774 transitions. [2018-12-01 20:19:14,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-01 20:19:14,412 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:14,429 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 20:19:14,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:14,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 554 states and 779 transitions. [2018-12-01 20:19:14,583 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 779 transitions. [2018-12-01 20:19:14,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 20:19:14,583 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:14,602 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 20:19:14,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:14,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 563 states and 790 transitions. [2018-12-01 20:19:14,792 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 790 transitions. [2018-12-01 20:19:14,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-01 20:19:14,793 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:14,808 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:19:14,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:14,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 572 states and 801 transitions. [2018-12-01 20:19:14,977 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 801 transitions. [2018-12-01 20:19:14,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-01 20:19:14,978 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:15,045 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:19:15,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:15,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 575 states and 806 transitions. [2018-12-01 20:19:15,380 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 806 transitions. [2018-12-01 20:19:15,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-01 20:19:15,381 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:15,433 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:19:16,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:16,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 588 states and 824 transitions. [2018-12-01 20:19:16,180 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 824 transitions. [2018-12-01 20:19:16,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-01 20:19:16,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:16,197 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 20:19:16,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:16,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 592 states and 829 transitions. [2018-12-01 20:19:16,515 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 829 transitions. [2018-12-01 20:19:16,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-01 20:19:16,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:16,532 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 20:19:16,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:16,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 599 states and 835 transitions. [2018-12-01 20:19:16,560 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 835 transitions. [2018-12-01 20:19:16,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 20:19:16,561 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:16,708 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:19:17,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:17,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 613 states and 863 transitions. [2018-12-01 20:19:17,556 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 863 transitions. [2018-12-01 20:19:17,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-01 20:19:17,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:17,573 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:19:17,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:17,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 615 states and 866 transitions. [2018-12-01 20:19:17,759 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 866 transitions. [2018-12-01 20:19:17,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-01 20:19:17,760 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:17,783 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:19:18,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:18,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 625 states and 876 transitions. [2018-12-01 20:19:18,209 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 876 transitions. [2018-12-01 20:19:18,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-01 20:19:18,209 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:18,295 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:19:18,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:18,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 640 states and 899 transitions. [2018-12-01 20:19:18,689 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 899 transitions. [2018-12-01 20:19:18,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-01 20:19:18,690 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:18,708 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:19:19,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:19,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 647 states and 908 transitions. [2018-12-01 20:19:19,089 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 908 transitions. [2018-12-01 20:19:19,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-01 20:19:19,090 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:19,108 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 20:19:19,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:19,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 648 states and 909 transitions. [2018-12-01 20:19:19,175 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 909 transitions. [2018-12-01 20:19:19,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-01 20:19:19,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:19,192 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 20:19:19,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:19,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 650 states and 910 transitions. [2018-12-01 20:19:19,323 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 910 transitions. [2018-12-01 20:19:19,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-01 20:19:19,324 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:19,340 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 20:19:19,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:19,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 651 states and 912 transitions. [2018-12-01 20:19:19,432 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 912 transitions. [2018-12-01 20:19:19,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-01 20:19:19,432 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:19,449 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 20:19:19,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:19,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 653 states and 916 transitions. [2018-12-01 20:19:19,543 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 916 transitions. [2018-12-01 20:19:19,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-01 20:19:19,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:19,561 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 20:19:19,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:19,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 654 states and 916 transitions. [2018-12-01 20:19:19,655 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 916 transitions. [2018-12-01 20:19:19,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-01 20:19:19,656 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:19,676 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 20:19:20,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:20,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 665 states and 930 transitions. [2018-12-01 20:19:20,117 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 930 transitions. [2018-12-01 20:19:20,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-01 20:19:20,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:20,167 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:19:20,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:20,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 672 states and 938 transitions. [2018-12-01 20:19:20,287 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 938 transitions. [2018-12-01 20:19:20,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-01 20:19:20,287 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:20,305 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:19:20,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:20,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 688 states and 958 transitions. [2018-12-01 20:19:20,952 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 958 transitions. [2018-12-01 20:19:20,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-01 20:19:20,953 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:20,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:20,988 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:19:21,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:21,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 690 states and 960 transitions. [2018-12-01 20:19:21,388 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 960 transitions. [2018-12-01 20:19:21,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-01 20:19:21,389 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:21,679 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:19:24,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:24,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 735 states and 1007 transitions. [2018-12-01 20:19:24,448 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1007 transitions. [2018-12-01 20:19:24,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-01 20:19:24,449 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:24,633 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:19:25,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:25,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 748 states and 1029 transitions. [2018-12-01 20:19:25,338 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1029 transitions. [2018-12-01 20:19:25,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 20:19:25,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:25,357 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:19:25,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:25,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 752 states and 1032 transitions. [2018-12-01 20:19:25,474 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1032 transitions. [2018-12-01 20:19:25,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 20:19:25,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:25,494 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:19:28,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:28,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 793 states and 1093 transitions. [2018-12-01 20:19:28,452 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1093 transitions. [2018-12-01 20:19:28,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 20:19:28,453 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:28,472 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:19:29,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:29,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 800 states and 1105 transitions. [2018-12-01 20:19:29,077 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1105 transitions. [2018-12-01 20:19:29,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 20:19:29,078 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:29,098 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:19:30,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:30,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 821 states and 1127 transitions. [2018-12-01 20:19:30,232 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1127 transitions. [2018-12-01 20:19:30,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 20:19:30,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:30,254 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:19:30,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:30,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 831 states and 1136 transitions. [2018-12-01 20:19:30,678 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1136 transitions. [2018-12-01 20:19:30,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 20:19:30,679 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:30,703 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:19:31,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:31,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 841 states and 1147 transitions. [2018-12-01 20:19:31,427 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1147 transitions. [2018-12-01 20:19:31,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 20:19:31,428 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:31,454 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:19:32,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:32,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 844 states and 1151 transitions. [2018-12-01 20:19:32,197 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1151 transitions. [2018-12-01 20:19:32,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 20:19:32,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:32,218 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:19:32,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:32,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 846 states and 1155 transitions. [2018-12-01 20:19:32,643 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1155 transitions. [2018-12-01 20:19:32,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 20:19:32,644 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:32,681 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:19:32,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:32,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 855 states and 1163 transitions. [2018-12-01 20:19:32,910 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1163 transitions. [2018-12-01 20:19:32,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 20:19:32,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:32,930 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:19:33,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:33,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 856 states and 1163 transitions. [2018-12-01 20:19:33,156 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1163 transitions. [2018-12-01 20:19:33,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 20:19:33,157 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:34,456 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 20:19:36,511 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-12-01 20:19:38,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:38,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 921 states and 1229 transitions. [2018-12-01 20:19:38,799 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1229 transitions. [2018-12-01 20:19:38,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-01 20:19:38,800 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:38,928 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:19:40,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:40,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 946 states and 1262 transitions. [2018-12-01 20:19:40,504 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1262 transitions. [2018-12-01 20:19:40,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-01 20:19:40,505 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:40,526 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:19:41,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:41,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 961 states and 1279 transitions. [2018-12-01 20:19:41,404 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1279 transitions. [2018-12-01 20:19:41,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-01 20:19:41,404 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:41,426 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:19:41,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:41,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 963 states and 1281 transitions. [2018-12-01 20:19:41,891 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1281 transitions. [2018-12-01 20:19:41,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-01 20:19:41,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:41,967 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 94 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-01 20:19:42,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:42,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 965 states and 1284 transitions. [2018-12-01 20:19:42,370 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1284 transitions. [2018-12-01 20:19:42,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 20:19:42,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:42,389 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 20:19:42,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:42,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 972 states and 1294 transitions. [2018-12-01 20:19:42,529 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1294 transitions. [2018-12-01 20:19:42,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 20:19:42,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:42,574 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 20:19:42,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:42,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 976 states and 1297 transitions. [2018-12-01 20:19:42,707 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1297 transitions. [2018-12-01 20:19:42,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 20:19:42,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:42,726 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 20:19:43,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:43,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 980 states and 1304 transitions. [2018-12-01 20:19:43,108 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1304 transitions. [2018-12-01 20:19:43,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 20:19:43,109 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:43,127 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 20:19:43,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:43,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 981 states and 1305 transitions. [2018-12-01 20:19:43,363 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1305 transitions. [2018-12-01 20:19:43,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 20:19:43,364 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:43,382 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 20:19:43,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:43,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 982 states and 1305 transitions. [2018-12-01 20:19:43,534 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1305 transitions. [2018-12-01 20:19:43,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 20:19:43,535 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:43,568 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-01 20:19:47,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:47,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1049 states and 1381 transitions. [2018-12-01 20:19:47,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1381 transitions. [2018-12-01 20:19:47,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 20:19:47,974 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:48,023 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-01 20:19:50,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:50,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1068 states and 1403 transitions. [2018-12-01 20:19:50,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1403 transitions. [2018-12-01 20:19:50,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 20:19:50,223 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:50,273 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-01 20:19:50,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:50,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1069 states and 1403 transitions. [2018-12-01 20:19:50,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1403 transitions. [2018-12-01 20:19:50,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 20:19:50,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:50,605 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-01 20:19:51,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:51,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1071 states and 1405 transitions. [2018-12-01 20:19:51,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1405 transitions. [2018-12-01 20:19:51,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 20:19:51,874 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:51,898 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 20:19:58,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:58,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1118 states and 1463 transitions. [2018-12-01 20:19:58,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1463 transitions. [2018-12-01 20:19:58,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 20:19:58,273 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:58,295 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 20:19:59,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:59,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1140 states and 1484 transitions. [2018-12-01 20:19:59,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1484 transitions. [2018-12-01 20:19:59,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 20:19:59,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:59,061 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 20:19:59,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:59,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1145 states and 1489 transitions. [2018-12-01 20:19:59,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1489 transitions. [2018-12-01 20:19:59,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-01 20:19:59,592 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:19:59,611 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 20:19:59,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:19:59,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1150 states and 1496 transitions. [2018-12-01 20:19:59,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1496 transitions. [2018-12-01 20:19:59,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-01 20:19:59,950 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:19:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:00,196 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 20:20:01,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:01,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1209 states and 1560 transitions. [2018-12-01 20:20:01,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1560 transitions. [2018-12-01 20:20:01,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-01 20:20:01,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:01,948 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 20:20:02,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:02,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1218 states and 1566 transitions. [2018-12-01 20:20:02,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1566 transitions. [2018-12-01 20:20:02,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-01 20:20:02,785 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:02,847 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 20:20:02,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:02,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1219 states and 1566 transitions. [2018-12-01 20:20:02,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1566 transitions. [2018-12-01 20:20:02,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 20:20:02,910 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:03,070 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:20:03,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:03,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1220 states and 1567 transitions. [2018-12-01 20:20:03,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1567 transitions. [2018-12-01 20:20:03,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 20:20:03,345 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:03,383 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:20:04,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:04,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1231 states and 1582 transitions. [2018-12-01 20:20:04,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1582 transitions. [2018-12-01 20:20:04,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-01 20:20:04,066 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:04,103 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-01 20:20:04,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:04,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1238 states and 1594 transitions. [2018-12-01 20:20:04,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1594 transitions. [2018-12-01 20:20:04,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-01 20:20:04,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:04,794 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 111 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-01 20:20:05,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:05,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1244 states and 1598 transitions. [2018-12-01 20:20:05,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1598 transitions. [2018-12-01 20:20:05,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-01 20:20:05,045 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:05,118 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 20:20:05,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:05,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1258 states and 1616 transitions. [2018-12-01 20:20:05,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1616 transitions. [2018-12-01 20:20:05,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-01 20:20:05,914 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:05,945 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 20:20:07,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:07,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1267 states and 1625 transitions. [2018-12-01 20:20:07,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1625 transitions. [2018-12-01 20:20:07,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-12-01 20:20:07,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:07,520 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-01 20:20:07,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:07,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1278 states and 1637 transitions. [2018-12-01 20:20:07,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1637 transitions. [2018-12-01 20:20:07,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-12-01 20:20:07,899 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:07,931 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-01 20:20:08,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:08,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1289 states and 1648 transitions. [2018-12-01 20:20:08,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1648 transitions. [2018-12-01 20:20:08,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-01 20:20:08,294 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:08,314 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-01 20:20:09,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:09,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1309 states and 1672 transitions. [2018-12-01 20:20:09,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 1672 transitions. [2018-12-01 20:20:09,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-01 20:20:09,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:09,762 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-01 20:20:10,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:10,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1320 states and 1684 transitions. [2018-12-01 20:20:10,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1684 transitions. [2018-12-01 20:20:10,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-01 20:20:10,113 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:10,171 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 20:20:11,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:11,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1332 states and 1705 transitions. [2018-12-01 20:20:11,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1705 transitions. [2018-12-01 20:20:11,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-01 20:20:11,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:11,986 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 20:20:12,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:12,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1338 states and 1715 transitions. [2018-12-01 20:20:12,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1715 transitions. [2018-12-01 20:20:12,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-01 20:20:12,401 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:12,431 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 20:20:12,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:12,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1341 states and 1717 transitions. [2018-12-01 20:20:12,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1717 transitions. [2018-12-01 20:20:12,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-01 20:20:12,507 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:12,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:12,575 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:20:12,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:12,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 1355 states and 1739 transitions. [2018-12-01 20:20:12,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 1739 transitions. [2018-12-01 20:20:12,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-01 20:20:12,753 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:12,791 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:20:12,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:12,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1362 states and 1745 transitions. [2018-12-01 20:20:12,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1745 transitions. [2018-12-01 20:20:12,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-01 20:20:12,965 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:13,042 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-01 20:20:13,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:13,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1365 states and 1747 transitions. [2018-12-01 20:20:13,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 1747 transitions. [2018-12-01 20:20:13,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-01 20:20:13,357 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:13,383 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:20:13,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:13,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 1376 states and 1758 transitions. [2018-12-01 20:20:13,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1758 transitions. [2018-12-01 20:20:13,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-01 20:20:13,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:13,722 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:20:17,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:17,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1418 states and 1816 transitions. [2018-12-01 20:20:17,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1816 transitions. [2018-12-01 20:20:17,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-01 20:20:17,988 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:18,028 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:20:18,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:18,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1422 states and 1825 transitions. [2018-12-01 20:20:18,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1825 transitions. [2018-12-01 20:20:18,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-01 20:20:18,326 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:18,353 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-01 20:20:18,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:18,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1426 states and 1831 transitions. [2018-12-01 20:20:18,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 1831 transitions. [2018-12-01 20:20:18,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-01 20:20:18,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:18,928 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-01 20:20:19,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:19,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1432 states and 1839 transitions. [2018-12-01 20:20:19,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 1839 transitions. [2018-12-01 20:20:19,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-01 20:20:19,212 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:19,236 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-01 20:20:19,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:19,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 1440 states and 1846 transitions. [2018-12-01 20:20:19,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1846 transitions. [2018-12-01 20:20:19,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-01 20:20:19,416 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:19,441 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-01 20:20:19,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:19,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1441 states and 1847 transitions. [2018-12-01 20:20:19,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 1847 transitions. [2018-12-01 20:20:19,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-01 20:20:19,502 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:19,558 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-01 20:20:19,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:19,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1854 states to 1449 states and 1854 transitions. [2018-12-01 20:20:19,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1854 transitions. [2018-12-01 20:20:19,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 20:20:19,898 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:21,375 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 20:20:25,041 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-01 20:20:26,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:26,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1501 states and 1908 transitions. [2018-12-01 20:20:26,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 1908 transitions. [2018-12-01 20:20:26,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-01 20:20:26,120 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:26,149 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 20:20:27,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:27,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1930 states to 1520 states and 1930 transitions. [2018-12-01 20:20:27,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 1930 transitions. [2018-12-01 20:20:27,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-01 20:20:27,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:27,330 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 20:20:28,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:28,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1537 states and 1948 transitions. [2018-12-01 20:20:28,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 1948 transitions. [2018-12-01 20:20:28,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 20:20:28,182 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:28,245 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-12-01 20:20:28,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:28,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 1547 states and 1961 transitions. [2018-12-01 20:20:28,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 1961 transitions. [2018-12-01 20:20:28,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-01 20:20:28,682 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:28,714 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-01 20:20:28,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:28,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1553 states and 1966 transitions. [2018-12-01 20:20:28,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1966 transitions. [2018-12-01 20:20:28,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-01 20:20:28,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:28,932 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 20:20:34,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:34,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 1590 states and 2005 transitions. [2018-12-01 20:20:34,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 2005 transitions. [2018-12-01 20:20:34,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-01 20:20:34,966 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:36,312 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-12-01 20:20:37,680 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 20:20:44,037 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2018-12-01 20:20:45,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:45,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2077 states to 1653 states and 2077 transitions. [2018-12-01 20:20:45,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 2077 transitions. [2018-12-01 20:20:45,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-01 20:20:45,514 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:45,649 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 20:20:47,002 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2018-12-01 20:20:50,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:50,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 1681 states and 2105 transitions. [2018-12-01 20:20:50,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 2105 transitions. [2018-12-01 20:20:50,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-01 20:20:50,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:50,335 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 20:20:50,618 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-01 20:20:52,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:52,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 1696 states and 2119 transitions. [2018-12-01 20:20:52,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2119 transitions. [2018-12-01 20:20:52,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 20:20:52,186 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:52,221 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:20:53,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:53,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 1707 states and 2130 transitions. [2018-12-01 20:20:53,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2130 transitions. [2018-12-01 20:20:53,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 20:20:53,507 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:53,542 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:20:55,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:55,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 1731 states and 2157 transitions. [2018-12-01 20:20:55,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2157 transitions. [2018-12-01 20:20:55,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 20:20:55,281 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:55,314 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:20:55,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:55,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 1735 states and 2161 transitions. [2018-12-01 20:20:55,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2161 transitions. [2018-12-01 20:20:55,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 20:20:55,691 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:55,721 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:20:56,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:56,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 1746 states and 2172 transitions. [2018-12-01 20:20:56,525 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2172 transitions. [2018-12-01 20:20:56,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-01 20:20:56,526 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:56,559 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-01 20:20:57,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:57,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 1756 states and 2182 transitions. [2018-12-01 20:20:57,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 2182 transitions. [2018-12-01 20:20:57,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-01 20:20:57,060 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:57,090 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:20:57,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:20:57,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 1760 states and 2186 transitions. [2018-12-01 20:20:57,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2186 transitions. [2018-12-01 20:20:57,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-01 20:20:57,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:20:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:20:58,672 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 20:21:01,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:01,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 1782 states and 2211 transitions. [2018-12-01 20:21:01,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1782 states and 2211 transitions. [2018-12-01 20:21:01,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-01 20:21:01,789 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:01,844 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 20:21:02,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:02,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 1787 states and 2220 transitions. [2018-12-01 20:21:02,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1787 states and 2220 transitions. [2018-12-01 20:21:02,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-12-01 20:21:02,106 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:02,146 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 20:21:02,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:02,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 1798 states and 2234 transitions. [2018-12-01 20:21:02,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 2234 transitions. [2018-12-01 20:21:02,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-12-01 20:21:02,211 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:02,245 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 20:21:02,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:02,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 1806 states and 2241 transitions. [2018-12-01 20:21:02,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2241 transitions. [2018-12-01 20:21:02,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-01 20:21:02,859 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:02,898 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-01 20:21:03,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:03,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2246 states to 1810 states and 2246 transitions. [2018-12-01 20:21:03,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 2246 transitions. [2018-12-01 20:21:03,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-01 20:21:03,563 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:03,597 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-01 20:21:03,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:03,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 1813 states and 2249 transitions. [2018-12-01 20:21:03,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2249 transitions. [2018-12-01 20:21:03,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-01 20:21:03,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:03,985 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-01 20:21:04,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:04,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 1818 states and 2254 transitions. [2018-12-01 20:21:04,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1818 states and 2254 transitions. [2018-12-01 20:21:04,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-01 20:21:04,682 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:04,717 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-01 20:21:05,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:05,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 1826 states and 2261 transitions. [2018-12-01 20:21:05,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1826 states and 2261 transitions. [2018-12-01 20:21:05,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-01 20:21:05,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:05,991 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-01 20:21:06,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:06,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 1827 states and 2261 transitions. [2018-12-01 20:21:06,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2261 transitions. [2018-12-01 20:21:06,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-01 20:21:06,230 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:06,477 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 180 proven. 78 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-01 20:21:10,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:10,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 1852 states and 2289 transitions. [2018-12-01 20:21:10,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2289 transitions. [2018-12-01 20:21:10,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-01 20:21:10,030 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:10,097 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 180 proven. 78 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-01 20:21:10,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:10,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 1859 states and 2295 transitions. [2018-12-01 20:21:10,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2295 transitions. [2018-12-01 20:21:10,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-01 20:21:10,511 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:10,541 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-12-01 20:21:10,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:10,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2300 states to 1863 states and 2300 transitions. [2018-12-01 20:21:10,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 2300 transitions. [2018-12-01 20:21:10,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-01 20:21:10,899 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:10,933 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-01 20:21:12,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:12,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 1891 states and 2331 transitions. [2018-12-01 20:21:12,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 2331 transitions. [2018-12-01 20:21:12,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-01 20:21:12,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:12,632 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-01 20:21:12,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:12,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2337 states to 1896 states and 2337 transitions. [2018-12-01 20:21:12,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 2337 transitions. [2018-12-01 20:21:12,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-01 20:21:12,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:12,962 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-01 20:21:13,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:13,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2338 states to 1897 states and 2338 transitions. [2018-12-01 20:21:13,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1897 states and 2338 transitions. [2018-12-01 20:21:13,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-01 20:21:13,191 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:13,229 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-01 20:21:16,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:16,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 1970 states and 2419 transitions. [2018-12-01 20:21:16,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1970 states and 2419 transitions. [2018-12-01 20:21:16,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-01 20:21:16,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:16,610 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-01 20:21:16,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:16,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2425 states to 1977 states and 2425 transitions. [2018-12-01 20:21:16,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2425 transitions. [2018-12-01 20:21:16,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-01 20:21:16,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:17,028 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-01 20:21:17,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:17,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2430 states to 1981 states and 2430 transitions. [2018-12-01 20:21:17,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1981 states and 2430 transitions. [2018-12-01 20:21:17,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-01 20:21:17,415 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:17,498 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-01 20:21:20,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:20,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2007 states and 2467 transitions. [2018-12-01 20:21:20,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2007 states and 2467 transitions. [2018-12-01 20:21:20,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-01 20:21:20,417 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:20,460 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-12-01 20:21:20,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:20,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2539 states to 2077 states and 2539 transitions. [2018-12-01 20:21:20,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2077 states and 2539 transitions. [2018-12-01 20:21:20,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-01 20:21:20,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:20,978 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-01 20:21:21,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:21,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2539 states to 2078 states and 2539 transitions. [2018-12-01 20:21:21,026 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 2539 transitions. [2018-12-01 20:21:21,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-01 20:21:21,027 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:21,866 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 321 proven. 106 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-01 20:21:25,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:25,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 2103 states and 2575 transitions. [2018-12-01 20:21:25,423 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 2575 transitions. [2018-12-01 20:21:25,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-01 20:21:25,424 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:25,532 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 321 proven. 106 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-01 20:21:26,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:26,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 2114 states and 2585 transitions. [2018-12-01 20:21:26,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 2585 transitions. [2018-12-01 20:21:26,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-01 20:21:26,745 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:26,817 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-01 20:21:28,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:28,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2595 states to 2123 states and 2595 transitions. [2018-12-01 20:21:28,264 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 2595 transitions. [2018-12-01 20:21:28,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-01 20:21:28,265 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:28,328 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-01 20:21:28,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:28,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2597 states to 2126 states and 2597 transitions. [2018-12-01 20:21:28,583 INFO L276 IsEmpty]: Start isEmpty. Operand 2126 states and 2597 transitions. [2018-12-01 20:21:28,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-01 20:21:28,584 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:28,646 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-01 20:21:29,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:29,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 2129 states and 2599 transitions. [2018-12-01 20:21:29,259 INFO L276 IsEmpty]: Start isEmpty. Operand 2129 states and 2599 transitions. [2018-12-01 20:21:29,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-01 20:21:29,260 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:29,414 INFO L134 CoverageAnalysis]: Checked inductivity of 649 backedges. 440 proven. 4 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-12-01 20:21:29,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:29,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 2133 states and 2605 transitions. [2018-12-01 20:21:29,877 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2605 transitions. [2018-12-01 20:21:29,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-12-01 20:21:29,879 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:30,002 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 393 proven. 4 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-01 20:21:32,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:32,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 2152 states and 2632 transitions. [2018-12-01 20:21:32,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2152 states and 2632 transitions. [2018-12-01 20:21:32,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-12-01 20:21:32,500 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:32,566 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-12-01 20:21:34,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:34,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 2178 states and 2664 transitions. [2018-12-01 20:21:34,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 2664 transitions. [2018-12-01 20:21:34,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-12-01 20:21:34,589 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:34,658 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-12-01 20:21:35,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:35,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2669 states to 2182 states and 2669 transitions. [2018-12-01 20:21:35,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2669 transitions. [2018-12-01 20:21:35,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-12-01 20:21:35,113 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:35,236 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-12-01 20:21:35,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:35,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2673 states to 2186 states and 2673 transitions. [2018-12-01 20:21:35,688 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 2673 transitions. [2018-12-01 20:21:35,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-12-01 20:21:35,689 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:35,758 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-12-01 20:21:36,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:36,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 2190 states and 2676 transitions. [2018-12-01 20:21:36,175 INFO L276 IsEmpty]: Start isEmpty. Operand 2190 states and 2676 transitions. [2018-12-01 20:21:36,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-12-01 20:21:36,177 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:36,241 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2018-12-01 20:21:36,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:36,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2200 states and 2689 transitions. [2018-12-01 20:21:36,923 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 2689 transitions. [2018-12-01 20:21:36,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-12-01 20:21:36,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:36,984 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2018-12-01 20:21:37,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:37,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2697 states to 2210 states and 2697 transitions. [2018-12-01 20:21:37,284 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 2697 transitions. [2018-12-01 20:21:37,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-01 20:21:37,285 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:38,917 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2018-12-01 20:21:39,937 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2018-12-01 20:21:41,738 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-12-01 20:21:43,423 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 33 [2018-12-01 20:21:53,169 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2018-12-01 20:21:54,540 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-12-01 20:21:55,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:21:55,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 2259 states and 2752 transitions. [2018-12-01 20:21:55,690 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 2752 transitions. [2018-12-01 20:21:55,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-01 20:21:55,691 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:21:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:21:55,836 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-12-01 20:21:57,171 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2018-12-01 20:22:00,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:22:00,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 2270 states and 2764 transitions. [2018-12-01 20:22:00,693 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states and 2764 transitions. [2018-12-01 20:22:00,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-12-01 20:22:00,695 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:22:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:22:02,642 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-12-01 20:22:06,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:22:06,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2288 states and 2784 transitions. [2018-12-01 20:22:06,497 INFO L276 IsEmpty]: Start isEmpty. Operand 2288 states and 2784 transitions. [2018-12-01 20:22:06,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-12-01 20:22:06,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:22:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:22:06,643 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-12-01 20:22:07,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:22:07,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2792 states to 2294 states and 2792 transitions. [2018-12-01 20:22:07,850 INFO L276 IsEmpty]: Start isEmpty. Operand 2294 states and 2792 transitions. [2018-12-01 20:22:07,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-12-01 20:22:07,851 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:22:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:22:08,065 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-12-01 20:22:11,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:22:11,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 2305 states and 2803 transitions. [2018-12-01 20:22:11,069 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 2803 transitions. [2018-12-01 20:22:11,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 20:22:11,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:22:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:22:14,568 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-12-01 20:22:16,461 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-01 20:22:18,214 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2018-12-01 20:22:20,746 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2018-12-01 20:22:24,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:22:24,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 2320 states and 2820 transitions. [2018-12-01 20:22:24,721 INFO L276 IsEmpty]: Start isEmpty. Operand 2320 states and 2820 transitions. [2018-12-01 20:22:24,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 20:22:24,723 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:22:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:22:24,804 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 401 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-01 20:22:25,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:22:25,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 2324 states and 2830 transitions. [2018-12-01 20:22:25,759 INFO L276 IsEmpty]: Start isEmpty. Operand 2324 states and 2830 transitions. [2018-12-01 20:22:25,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-12-01 20:22:25,761 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:22:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:22:25,907 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-01 20:22:29,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:22:29,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2856 states to 2350 states and 2856 transitions. [2018-12-01 20:22:29,055 INFO L276 IsEmpty]: Start isEmpty. Operand 2350 states and 2856 transitions. [2018-12-01 20:22:29,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-12-01 20:22:29,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:22:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:22:29,125 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-01 20:22:31,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:22:31,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2861 states to 2355 states and 2861 transitions. [2018-12-01 20:22:31,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2355 states and 2861 transitions. [2018-12-01 20:22:31,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-12-01 20:22:31,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:22:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:22:31,310 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-01 20:22:31,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:22:31,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2861 states to 2356 states and 2861 transitions. [2018-12-01 20:22:31,600 INFO L276 IsEmpty]: Start isEmpty. Operand 2356 states and 2861 transitions. [2018-12-01 20:22:31,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-12-01 20:22:31,601 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:22:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:22:31,668 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-01 20:22:31,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:22:31,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2862 states to 2359 states and 2862 transitions. [2018-12-01 20:22:31,718 INFO L276 IsEmpty]: Start isEmpty. Operand 2359 states and 2862 transitions. [2018-12-01 20:22:31,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-12-01 20:22:31,719 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:22:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:22:31,786 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-01 20:22:32,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:22:32,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2862 states to 2360 states and 2862 transitions. [2018-12-01 20:22:32,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 2862 transitions. [2018-12-01 20:22:32,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-01 20:22:32,075 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:22:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:22:32,563 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2018-12-01 20:22:33,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:22:33,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2874 states to 2366 states and 2874 transitions. [2018-12-01 20:22:33,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 2874 transitions. [2018-12-01 20:22:33,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-01 20:22:33,941 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:22:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:22:35,231 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 529 proven. 39 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-01 20:22:40,965 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2018-12-01 20:22:41,308 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 29 [2018-12-01 20:22:46,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:22:46,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2396 states and 2909 transitions. [2018-12-01 20:22:46,289 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 2909 transitions. [2018-12-01 20:22:46,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-01 20:22:46,291 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:22:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:22:46,458 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 372 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-12-01 20:22:46,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:22:46,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2401 states and 2914 transitions. [2018-12-01 20:22:46,905 INFO L276 IsEmpty]: Start isEmpty. Operand 2401 states and 2914 transitions. [2018-12-01 20:22:46,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-12-01 20:22:46,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:22:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:22:46,999 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 433 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-01 20:22:47,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:22:47,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2924 states to 2409 states and 2924 transitions. [2018-12-01 20:22:47,961 INFO L276 IsEmpty]: Start isEmpty. Operand 2409 states and 2924 transitions. [2018-12-01 20:22:47,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-01 20:22:47,962 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:22:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:22:48,054 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 359 proven. 101 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-12-01 20:22:56,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:22:56,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2961 states to 2437 states and 2961 transitions. [2018-12-01 20:22:56,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2437 states and 2961 transitions. [2018-12-01 20:22:56,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-01 20:22:56,782 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:22:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:22:56,875 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 359 proven. 101 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-12-01 20:22:59,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:22:59,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2456 states and 2986 transitions. [2018-12-01 20:22:59,929 INFO L276 IsEmpty]: Start isEmpty. Operand 2456 states and 2986 transitions. [2018-12-01 20:22:59,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-01 20:22:59,931 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:22:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:23:00,011 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 359 proven. 101 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-12-01 20:23:01,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:23:01,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2993 states to 2464 states and 2993 transitions. [2018-12-01 20:23:01,015 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 2993 transitions. [2018-12-01 20:23:01,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-01 20:23:01,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:23:01,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:23:01,101 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 359 proven. 101 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-12-01 20:23:01,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:23:01,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 2473 states and 3001 transitions. [2018-12-01 20:23:01,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2473 states and 3001 transitions. [2018-12-01 20:23:01,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-12-01 20:23:01,649 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:23:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:23:01,764 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 441 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-01 20:23:02,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:23:02,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3002 states to 2475 states and 3002 transitions. [2018-12-01 20:23:02,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 3002 transitions. [2018-12-01 20:23:02,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-12-01 20:23:02,035 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:23:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:23:02,087 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 441 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-01 20:23:02,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:23:02,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 2483 states and 3009 transitions. [2018-12-01 20:23:02,364 INFO L276 IsEmpty]: Start isEmpty. Operand 2483 states and 3009 transitions. [2018-12-01 20:23:02,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-01 20:23:02,365 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:23:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:23:02,953 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-01 20:23:11,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:23:11,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 2520 states and 3057 transitions. [2018-12-01 20:23:11,581 INFO L276 IsEmpty]: Start isEmpty. Operand 2520 states and 3057 transitions. [2018-12-01 20:23:11,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-01 20:23:11,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:23:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:23:11,781 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-01 20:23:13,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:23:13,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3064 states to 2528 states and 3064 transitions. [2018-12-01 20:23:13,515 INFO L276 IsEmpty]: Start isEmpty. Operand 2528 states and 3064 transitions. [2018-12-01 20:23:13,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-01 20:23:13,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:23:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:23:13,582 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-12-01 20:23:20,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:23:20,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3086 states to 2549 states and 3086 transitions. [2018-12-01 20:23:20,337 INFO L276 IsEmpty]: Start isEmpty. Operand 2549 states and 3086 transitions. [2018-12-01 20:23:20,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-01 20:23:20,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:23:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:23:20,407 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-12-01 20:23:21,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:23:21,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3091 states to 2556 states and 3091 transitions. [2018-12-01 20:23:21,265 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 3091 transitions. [2018-12-01 20:23:21,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-01 20:23:21,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:23:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:23:21,332 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-12-01 20:23:21,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:23:21,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3094 states to 2560 states and 3094 transitions. [2018-12-01 20:23:21,887 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 3094 transitions. [2018-12-01 20:23:21,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-01 20:23:21,889 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:23:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:23:21,996 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 421 proven. 114 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-12-01 20:23:24,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:23:24,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3109 states to 2572 states and 3109 transitions. [2018-12-01 20:23:24,429 INFO L276 IsEmpty]: Start isEmpty. Operand 2572 states and 3109 transitions. [2018-12-01 20:23:24,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-01 20:23:24,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:23:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:23:24,541 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 421 proven. 114 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-12-01 20:23:25,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:23:25,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 2578 states and 3117 transitions. [2018-12-01 20:23:25,161 INFO L276 IsEmpty]: Start isEmpty. Operand 2578 states and 3117 transitions. [2018-12-01 20:23:25,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-01 20:23:25,162 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:23:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:23:25,269 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 421 proven. 114 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-12-01 20:23:25,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:23:25,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3121 states to 2582 states and 3121 transitions. [2018-12-01 20:23:25,830 INFO L276 IsEmpty]: Start isEmpty. Operand 2582 states and 3121 transitions. [2018-12-01 20:23:25,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-12-01 20:23:25,831 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:23:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:23:25,902 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 367 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2018-12-01 20:23:26,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:23:26,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3126 states to 2588 states and 3126 transitions. [2018-12-01 20:23:26,780 INFO L276 IsEmpty]: Start isEmpty. Operand 2588 states and 3126 transitions. [2018-12-01 20:23:26,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-12-01 20:23:26,782 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:23:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:23:26,859 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2018-12-01 20:23:33,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:23:33,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3167 states to 2629 states and 3167 transitions. [2018-12-01 20:23:33,513 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 3167 transitions. [2018-12-01 20:23:33,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-12-01 20:23:33,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:23:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:23:34,465 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 469 proven. 42 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-12-01 20:23:44,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:23:44,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3249 states to 2701 states and 3249 transitions. [2018-12-01 20:23:44,960 INFO L276 IsEmpty]: Start isEmpty. Operand 2701 states and 3249 transitions. [2018-12-01 20:23:44,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-01 20:23:44,962 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:23:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:23:45,140 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 412 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-01 20:23:45,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:23:45,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3258 states to 2711 states and 3258 transitions. [2018-12-01 20:23:45,570 INFO L276 IsEmpty]: Start isEmpty. Operand 2711 states and 3258 transitions. [2018-12-01 20:23:45,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-01 20:23:45,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:23:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:23:45,690 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 463 proven. 128 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-01 20:23:47,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:23:47,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3275 states to 2728 states and 3275 transitions. [2018-12-01 20:23:47,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2728 states and 3275 transitions. [2018-12-01 20:23:47,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 20:23:47,396 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:23:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:23:47,552 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-01 20:23:48,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:23:48,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3280 states to 2734 states and 3280 transitions. [2018-12-01 20:23:48,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2734 states and 3280 transitions. [2018-12-01 20:23:48,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 20:23:48,129 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:23:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:23:51,866 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 20:24:13,093 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-01 20:24:18,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:24:18,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 2686 states and 3250 transitions. [2018-12-01 20:24:18,537 INFO L276 IsEmpty]: Start isEmpty. Operand 2686 states and 3250 transitions. [2018-12-01 20:24:18,539 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 20:24:18,539 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 206 iterations. [2018-12-01 20:24:18,551 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 20:24:18,924 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 36 [2018-12-01 20:24:19,149 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2018-12-01 20:24:19,296 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 33 [2018-12-01 20:24:19,493 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 24 [2018-12-01 20:24:19,678 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 36 [2018-12-01 20:24:19,873 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 36 [2018-12-01 20:24:20,058 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 24 [2018-12-01 20:24:20,158 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 33 [2018-12-01 20:24:20,331 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 36 [2018-12-01 20:24:20,553 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 36 [2018-12-01 20:24:20,740 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 36 [2018-12-01 20:24:21,145 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 36 [2018-12-01 20:24:21,247 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 29 [2018-12-01 20:24:21,387 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2018-12-01 20:24:21,503 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 33 [2018-12-01 20:24:21,649 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 29 [2018-12-01 20:24:22,309 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 33 [2018-12-01 20:24:22,510 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 36 [2018-12-01 20:24:22,735 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 33 [2018-12-01 20:24:22,882 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 33 [2018-12-01 20:24:23,053 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 33 [2018-12-01 20:24:23,248 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 29 [2018-12-01 20:24:23,382 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 24 [2018-12-01 20:24:23,951 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 36 [2018-12-01 20:24:24,215 WARN L180 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 54 [2018-12-01 20:24:24,636 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 34 [2018-12-01 20:24:24,813 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2018-12-01 20:24:24,953 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2018-12-01 20:24:25,069 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 33 [2018-12-01 20:24:25,305 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 36 [2018-12-01 20:24:25,306 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 20:24:25,308 INFO L583 CodeCheckObserver]: Invariant with dag size 24 [2018-12-01 20:24:25,313 INFO L583 CodeCheckObserver]: Invariant with dag size 24 [2018-12-01 20:24:25,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 08:24:25 ImpRootNode [2018-12-01 20:24:25,313 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 20:24:25,313 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 20:24:25,314 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 20:24:25,314 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 20:24:25,314 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:19:00" (3/4) ... [2018-12-01 20:24:25,316 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 20:24:25,328 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-01 20:24:25,329 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-01 20:24:25,330 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-01 20:24:25,331 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 20:24:25,409 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3524ad3d-db1d-4f92-a513-4e109f43699d/bin-2019/ukojak/witness.graphml [2018-12-01 20:24:25,409 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 20:24:25,409 INFO L168 Benchmark]: Toolchain (without parser) took 326240.87 ms. Allocated memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: 1.8 GB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -213.4 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-12-01 20:24:25,410 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 20:24:25,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 52.7 MB. Max. memory is 11.5 GB. [2018-12-01 20:24:25,410 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-01 20:24:25,410 INFO L168 Benchmark]: Boogie Preprocessor took 40.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-01 20:24:25,410 INFO L168 Benchmark]: RCFGBuilder took 985.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 892.3 MB in the end (delta: 213.4 MB). Peak memory consumption was 213.4 MB. Max. memory is 11.5 GB. [2018-12-01 20:24:25,410 INFO L168 Benchmark]: CodeCheck took 324757.44 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 892.3 MB in the beginning and 1.2 GB in the end (delta: -307.2 MB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-12-01 20:24:25,411 INFO L168 Benchmark]: Witness Printer took 95.43 ms. Allocated memory is still 2.8 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. [2018-12-01 20:24:25,412 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 317.9s OverallTime, 206 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 109117520 SDtfs, 1925704356 SDslu, 654705116 SDs, 0 SdLazy, -702015150 SolverSat, -1282765166 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 874.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 255086 GetRequests, 249672 SyntacticMatches, 3392 SemanticMatches, 2022 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2880856 ImplicationChecksByTransitivity, 289.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.8s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 28.1s InterpolantComputationTime, 38190 NumberOfCodeBlocks, 38190 NumberOfCodeBlocksAsserted, 205 NumberOfCheckSat, 37985 ConstructedInterpolants, 0 QuantifiedInterpolants, 30762542 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 205 InterpolantComputations, 178 PerfectInterpolantSequences, 46638/48325 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: 506]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (!(a7 == 1) || !(a16 == 6)) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (!(a7 == 1) || !(a16 == 6)) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 315.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 52.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 985.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 892.3 MB in the end (delta: 213.4 MB). Peak memory consumption was 213.4 MB. Max. memory is 11.5 GB. * CodeCheck took 324757.44 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 892.3 MB in the beginning and 1.2 GB in the end (delta: -307.2 MB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. * Witness Printer took 95.43 ms. Allocated memory is still 2.8 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...