./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label48_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f3293f1f-c4ef-4748-b783-78fab8672fd9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f3293f1f-c4ef-4748-b783-78fab8672fd9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f3293f1f-c4ef-4748-b783-78fab8672fd9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f3293f1f-c4ef-4748-b783-78fab8672fd9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label48_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f3293f1f-c4ef-4748-b783-78fab8672fd9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f3293f1f-c4ef-4748-b783-78fab8672fd9/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 0efda15f8357629016064e69e444205aff537305 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:37:49,191 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:37:49,192 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:37:49,198 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:37:49,198 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:37:49,199 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:37:49,200 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:37:49,201 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:37:49,202 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:37:49,202 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:37:49,203 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:37:49,203 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:37:49,204 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:37:49,204 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:37:49,205 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:37:49,205 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:37:49,206 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:37:49,207 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:37:49,208 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:37:49,209 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:37:49,210 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:37:49,211 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:37:49,212 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:37:49,212 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:37:49,213 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:37:49,213 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:37:49,214 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:37:49,214 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:37:49,215 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:37:49,215 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:37:49,215 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:37:49,216 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:37:49,216 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:37:49,216 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:37:49,216 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:37:49,217 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:37:49,217 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f3293f1f-c4ef-4748-b783-78fab8672fd9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 12:37:49,226 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:37:49,226 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:37:49,227 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:37:49,227 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:37:49,227 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:37:49,227 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:37:49,228 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:37:49,228 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:37:49,228 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:37:49,228 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:37:49,228 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:37:49,228 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:37:49,228 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:37:49,228 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:37:49,229 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:37:49,229 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:37:49,229 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:37:49,229 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:37:49,229 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 12:37:49,229 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 12:37:49,229 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:37:49,230 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:37:49,230 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:37:49,230 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:37:49,230 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:37:49,230 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:37:49,230 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 12:37:49,230 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:37:49,231 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:37:49,231 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_f3293f1f-c4ef-4748-b783-78fab8672fd9/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 -> 0efda15f8357629016064e69e444205aff537305 [2018-11-18 12:37:49,256 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:37:49,265 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:37:49,267 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:37:49,268 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:37:49,269 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:37:49,269 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f3293f1f-c4ef-4748-b783-78fab8672fd9/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label48_true-unreach-call_false-termination.c [2018-11-18 12:37:49,312 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f3293f1f-c4ef-4748-b783-78fab8672fd9/bin-2019/ukojak/data/4accf5d5a/aea6817b27af41d7bae0d5c17f842ffe/FLAG20e2fd32d [2018-11-18 12:37:49,764 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:37:49,764 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f3293f1f-c4ef-4748-b783-78fab8672fd9/sv-benchmarks/c/eca-rers2012/Problem01_label48_true-unreach-call_false-termination.c [2018-11-18 12:37:49,772 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f3293f1f-c4ef-4748-b783-78fab8672fd9/bin-2019/ukojak/data/4accf5d5a/aea6817b27af41d7bae0d5c17f842ffe/FLAG20e2fd32d [2018-11-18 12:37:49,784 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f3293f1f-c4ef-4748-b783-78fab8672fd9/bin-2019/ukojak/data/4accf5d5a/aea6817b27af41d7bae0d5c17f842ffe [2018-11-18 12:37:49,786 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:37:49,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:37:49,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:37:49,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:37:49,791 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:37:49,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:37:49" (1/1) ... [2018-11-18 12:37:49,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8be4c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:37:49, skipping insertion in model container [2018-11-18 12:37:49,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:37:49" (1/1) ... [2018-11-18 12:37:49,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:37:49,838 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:37:50,067 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:37:50,070 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:37:50,134 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:37:50,205 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:37:50,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:37:50 WrapperNode [2018-11-18 12:37:50,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:37:50,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:37:50,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:37:50,206 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:37:50,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:37:50" (1/1) ... [2018-11-18 12:37:50,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:37:50" (1/1) ... [2018-11-18 12:37:50,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:37:50,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:37:50,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:37:50,257 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:37:50,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:37:50" (1/1) ... [2018-11-18 12:37:50,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:37:50" (1/1) ... [2018-11-18 12:37:50,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:37:50" (1/1) ... [2018-11-18 12:37:50,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:37:50" (1/1) ... [2018-11-18 12:37:50,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:37:50" (1/1) ... [2018-11-18 12:37:50,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:37:50" (1/1) ... [2018-11-18 12:37:50,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:37:50" (1/1) ... [2018-11-18 12:37:50,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:37:50,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:37:50,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:37:50,297 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:37:50,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:37:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f3293f1f-c4ef-4748-b783-78fab8672fd9/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:37:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 12:37:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:37:50,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:37:51,507 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:37:51,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:37:51 BoogieIcfgContainer [2018-11-18 12:37:51,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:37:51,508 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 12:37:51,508 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 12:37:51,515 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 12:37:51,515 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:37:51" (1/1) ... [2018-11-18 12:37:51,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:37:51,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:51,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-18 12:37:51,548 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-18 12:37:51,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 12:37:51,551 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:51,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:52,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:52,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 147 states and 222 transitions. [2018-11-18 12:37:52,132 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 222 transitions. [2018-11-18 12:37:52,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 12:37:52,134 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:52,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:52,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:52,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 218 states and 316 transitions. [2018-11-18 12:37:52,672 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 316 transitions. [2018-11-18 12:37:52,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-18 12:37:52,673 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:52,722 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:52,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:52,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 224 states and 327 transitions. [2018-11-18 12:37:52,821 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 327 transitions. [2018-11-18 12:37:52,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 12:37:52,823 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:52,911 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:53,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:53,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 295 states and 404 transitions. [2018-11-18 12:37:53,403 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 404 transitions. [2018-11-18 12:37:53,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 12:37:53,404 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:53,454 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:53,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:53,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 303 states and 418 transitions. [2018-11-18 12:37:53,650 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 418 transitions. [2018-11-18 12:37:53,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-18 12:37:53,654 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:53,687 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:53,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:53,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 306 states and 423 transitions. [2018-11-18 12:37:53,742 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 423 transitions. [2018-11-18 12:37:53,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 12:37:53,743 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:53,792 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:53,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:53,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 310 states and 429 transitions. [2018-11-18 12:37:53,942 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 429 transitions. [2018-11-18 12:37:53,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 12:37:53,943 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:53,994 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:54,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:54,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 319 states and 449 transitions. [2018-11-18 12:37:54,362 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 449 transitions. [2018-11-18 12:37:54,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 12:37:54,363 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:54,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:54,383 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:54,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:54,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 325 states and 456 transitions. [2018-11-18 12:37:54,575 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 456 transitions. [2018-11-18 12:37:54,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 12:37:54,575 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:54,593 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:54,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:54,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 330 states and 462 transitions. [2018-11-18 12:37:54,715 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 462 transitions. [2018-11-18 12:37:54,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 12:37:54,716 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:54,738 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:54,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:54,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 335 states and 468 transitions. [2018-11-18 12:37:54,963 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 468 transitions. [2018-11-18 12:37:54,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 12:37:54,964 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:55,054 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:55,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:55,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 350 states and 490 transitions. [2018-11-18 12:37:55,474 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 490 transitions. [2018-11-18 12:37:55,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 12:37:55,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:55,492 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 12:37:55,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:55,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 359 states and 503 transitions. [2018-11-18 12:37:55,848 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 503 transitions. [2018-11-18 12:37:55,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 12:37:55,849 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:55,874 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 12:37:56,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:56,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 365 states and 510 transitions. [2018-11-18 12:37:56,144 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 510 transitions. [2018-11-18 12:37:56,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 12:37:56,145 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:56,159 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:56,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:56,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 368 states and 517 transitions. [2018-11-18 12:37:56,312 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 517 transitions. [2018-11-18 12:37:56,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 12:37:56,313 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:56,331 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:37:56,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:56,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 369 states and 519 transitions. [2018-11-18 12:37:56,449 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 519 transitions. [2018-11-18 12:37:56,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 12:37:56,450 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:56,551 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:57,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:57,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 380 states and 532 transitions. [2018-11-18 12:37:57,316 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 532 transitions. [2018-11-18 12:37:57,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 12:37:57,317 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:57,383 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:57,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:57,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 381 states and 534 transitions. [2018-11-18 12:37:57,539 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 534 transitions. [2018-11-18 12:37:57,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 12:37:57,540 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:57,553 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 12:37:57,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:57,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 386 states and 539 transitions. [2018-11-18 12:37:57,587 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 539 transitions. [2018-11-18 12:37:57,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-18 12:37:57,588 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:57,606 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:58,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:58,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 404 states and 561 transitions. [2018-11-18 12:37:58,073 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 561 transitions. [2018-11-18 12:37:58,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 12:37:58,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:58,089 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:58,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:58,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 412 states and 571 transitions. [2018-11-18 12:37:58,215 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 571 transitions. [2018-11-18 12:37:58,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 12:37:58,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:58,233 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:58,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:58,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 413 states and 572 transitions. [2018-11-18 12:37:58,255 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 572 transitions. [2018-11-18 12:37:58,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 12:37:58,255 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:58,273 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:37:58,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:58,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 420 states and 579 transitions. [2018-11-18 12:37:58,433 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 579 transitions. [2018-11-18 12:37:58,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-18 12:37:58,434 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:58,507 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 12:37:58,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:58,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 434 states and 598 transitions. [2018-11-18 12:37:58,786 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 598 transitions. [2018-11-18 12:37:58,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 12:37:58,787 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:58,799 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:37:58,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:58,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 435 states and 600 transitions. [2018-11-18 12:37:58,930 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 600 transitions. [2018-11-18 12:37:58,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 12:37:58,930 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:58,953 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:58,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:58,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 442 states and 608 transitions. [2018-11-18 12:37:58,984 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 608 transitions. [2018-11-18 12:37:58,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 12:37:58,985 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:59,059 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:59,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:59,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 452 states and 618 transitions. [2018-11-18 12:37:59,465 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 618 transitions. [2018-11-18 12:37:59,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 12:37:59,466 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:59,486 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 12:37:59,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:59,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 453 states and 619 transitions. [2018-11-18 12:37:59,661 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 619 transitions. [2018-11-18 12:37:59,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 12:37:59,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:59,680 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:37:59,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:59,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 455 states and 621 transitions. [2018-11-18 12:37:59,699 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 621 transitions. [2018-11-18 12:37:59,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 12:37:59,700 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:59,720 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:59,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:59,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 456 states and 623 transitions. [2018-11-18 12:37:59,737 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 623 transitions. [2018-11-18 12:37:59,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 12:37:59,738 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:59,757 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:37:59,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:59,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 461 states and 628 transitions. [2018-11-18 12:37:59,795 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 628 transitions. [2018-11-18 12:37:59,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 12:37:59,795 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:59,815 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:37:59,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:59,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 464 states and 631 transitions. [2018-11-18 12:37:59,848 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 631 transitions. [2018-11-18 12:37:59,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 12:37:59,849 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:59,891 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:38:00,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:00,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 492 states and 660 transitions. [2018-11-18 12:38:00,673 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 660 transitions. [2018-11-18 12:38:00,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 12:38:00,673 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:00,766 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:38:01,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:01,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 563 states and 743 transitions. [2018-11-18 12:38:01,456 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 743 transitions. [2018-11-18 12:38:01,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 12:38:01,457 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:01,477 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:38:01,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:01,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 565 states and 745 transitions. [2018-11-18 12:38:01,524 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 745 transitions. [2018-11-18 12:38:01,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-18 12:38:01,525 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:01,829 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:38:03,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:03,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 591 states and 778 transitions. [2018-11-18 12:38:03,027 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 778 transitions. [2018-11-18 12:38:03,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 12:38:03,028 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:03,072 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:38:03,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:03,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 599 states and 786 transitions. [2018-11-18 12:38:03,101 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 786 transitions. [2018-11-18 12:38:03,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 12:38:03,102 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:03,117 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:38:03,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:03,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 605 states and 793 transitions. [2018-11-18 12:38:03,238 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 793 transitions. [2018-11-18 12:38:03,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 12:38:03,239 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:03,259 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:38:03,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:03,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 606 states and 794 transitions. [2018-11-18 12:38:03,284 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 794 transitions. [2018-11-18 12:38:03,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 12:38:03,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:03,309 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:38:03,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:03,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 607 states and 795 transitions. [2018-11-18 12:38:03,327 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 795 transitions. [2018-11-18 12:38:03,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 12:38:03,327 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:03,421 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:38:04,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:04,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 621 states and 819 transitions. [2018-11-18 12:38:04,093 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 819 transitions. [2018-11-18 12:38:04,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 12:38:04,094 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:04,113 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:38:04,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:04,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 627 states and 826 transitions. [2018-11-18 12:38:04,494 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 826 transitions. [2018-11-18 12:38:04,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 12:38:04,494 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:04,648 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:38:05,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:05,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 633 states and 835 transitions. [2018-11-18 12:38:05,222 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 835 transitions. [2018-11-18 12:38:05,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 12:38:05,223 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:05,238 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 12:38:05,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:05,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 643 states and 845 transitions. [2018-11-18 12:38:05,267 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 845 transitions. [2018-11-18 12:38:05,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 12:38:05,268 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:05,281 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:38:05,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:05,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 644 states and 845 transitions. [2018-11-18 12:38:05,362 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 845 transitions. [2018-11-18 12:38:05,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 12:38:05,362 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:05,429 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:38:05,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:05,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 650 states and 853 transitions. [2018-11-18 12:38:05,795 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 853 transitions. [2018-11-18 12:38:05,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 12:38:05,795 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:05,867 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:38:05,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:05,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 654 states and 858 transitions. [2018-11-18 12:38:05,991 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 858 transitions. [2018-11-18 12:38:05,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 12:38:05,991 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:06,007 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:38:06,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:06,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 675 states and 882 transitions. [2018-11-18 12:38:06,075 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 882 transitions. [2018-11-18 12:38:06,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-18 12:38:06,076 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:06,111 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:38:06,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:06,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 684 states and 891 transitions. [2018-11-18 12:38:06,139 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 891 transitions. [2018-11-18 12:38:06,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-18 12:38:06,140 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:06,156 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:38:06,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:06,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 693 states and 901 transitions. [2018-11-18 12:38:06,185 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 901 transitions. [2018-11-18 12:38:06,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 12:38:06,186 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:06,208 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:38:06,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:06,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 706 states and 914 transitions. [2018-11-18 12:38:06,255 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 914 transitions. [2018-11-18 12:38:06,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 12:38:06,255 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:06,275 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:38:06,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:06,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 707 states and 915 transitions. [2018-11-18 12:38:06,299 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 915 transitions. [2018-11-18 12:38:06,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 12:38:06,300 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:06,384 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 12:38:07,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:07,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 741 states and 956 transitions. [2018-11-18 12:38:07,200 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 956 transitions. [2018-11-18 12:38:07,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 12:38:07,201 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:07,227 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:38:07,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:07,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 744 states and 959 transitions. [2018-11-18 12:38:07,253 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 959 transitions. [2018-11-18 12:38:07,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 12:38:07,254 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:07,282 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:38:07,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:07,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 748 states and 962 transitions. [2018-11-18 12:38:07,352 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 962 transitions. [2018-11-18 12:38:07,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 12:38:07,353 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:07,641 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 12:38:08,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:08,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 756 states and 982 transitions. [2018-11-18 12:38:08,749 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 982 transitions. [2018-11-18 12:38:08,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 12:38:08,749 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:08,899 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 12:38:09,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:09,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 760 states and 985 transitions. [2018-11-18 12:38:09,082 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 985 transitions. [2018-11-18 12:38:09,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 12:38:09,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:09,287 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 12:38:10,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:10,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 804 states and 1035 transitions. [2018-11-18 12:38:10,859 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1035 transitions. [2018-11-18 12:38:10,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 12:38:10,860 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:10,905 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:38:11,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:11,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 809 states and 1045 transitions. [2018-11-18 12:38:11,329 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1045 transitions. [2018-11-18 12:38:11,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 12:38:11,330 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:11,442 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 12:38:12,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:12,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 821 states and 1061 transitions. [2018-11-18 12:38:12,524 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1061 transitions. [2018-11-18 12:38:12,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 12:38:12,524 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:12,552 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 12:38:12,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:12,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 825 states and 1069 transitions. [2018-11-18 12:38:12,738 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1069 transitions. [2018-11-18 12:38:12,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 12:38:12,738 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:12,782 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:38:13,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:13,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 868 states and 1118 transitions. [2018-11-18 12:38:13,701 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1118 transitions. [2018-11-18 12:38:13,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 12:38:13,701 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:13,722 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 12:38:14,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:14,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 874 states and 1131 transitions. [2018-11-18 12:38:14,376 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1131 transitions. [2018-11-18 12:38:14,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-18 12:38:14,376 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:14,417 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:38:14,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:14,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 878 states and 1135 transitions. [2018-11-18 12:38:14,439 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1135 transitions. [2018-11-18 12:38:14,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 12:38:14,440 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:14,460 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:38:14,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:14,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 885 states and 1142 transitions. [2018-11-18 12:38:14,487 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1142 transitions. [2018-11-18 12:38:14,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 12:38:14,488 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:14,505 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:38:14,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:14,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 892 states and 1150 transitions. [2018-11-18 12:38:14,630 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1150 transitions. [2018-11-18 12:38:14,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 12:38:14,630 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:14,657 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:38:15,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:15,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 902 states and 1162 transitions. [2018-11-18 12:38:15,091 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1162 transitions. [2018-11-18 12:38:15,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 12:38:15,092 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:15,130 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 12:38:15,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:15,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 907 states and 1180 transitions. [2018-11-18 12:38:15,472 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1180 transitions. [2018-11-18 12:38:15,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-18 12:38:15,473 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:15,497 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:38:15,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:15,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 917 states and 1190 transitions. [2018-11-18 12:38:15,532 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1190 transitions. [2018-11-18 12:38:15,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-18 12:38:15,533 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:15,555 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 12:38:16,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:16,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 951 states and 1226 transitions. [2018-11-18 12:38:16,033 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1226 transitions. [2018-11-18 12:38:16,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-18 12:38:16,034 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:16,057 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 12:38:16,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:16,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 952 states and 1229 transitions. [2018-11-18 12:38:16,247 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1229 transitions. [2018-11-18 12:38:16,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 12:38:16,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:16,294 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 12:38:16,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:16,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 972 states and 1249 transitions. [2018-11-18 12:38:16,349 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1249 transitions. [2018-11-18 12:38:16,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 12:38:16,350 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:16,739 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:38:18,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:18,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 997 states and 1291 transitions. [2018-11-18 12:38:18,790 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1291 transitions. [2018-11-18 12:38:18,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 12:38:18,790 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:18,927 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:38:19,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:19,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 998 states and 1292 transitions. [2018-11-18 12:38:19,076 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1292 transitions. [2018-11-18 12:38:19,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 12:38:19,076 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:19,571 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 114 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:38:21,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:21,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1051 states and 1354 transitions. [2018-11-18 12:38:21,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1354 transitions. [2018-11-18 12:38:21,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 12:38:21,822 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:22,294 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:38:24,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:24,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1120 states and 1429 transitions. [2018-11-18 12:38:24,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1429 transitions. [2018-11-18 12:38:24,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 12:38:24,374 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:24,606 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 96 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 12:38:25,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:25,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1135 states and 1449 transitions. [2018-11-18 12:38:25,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1449 transitions. [2018-11-18 12:38:25,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 12:38:25,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:25,541 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:38:26,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:26,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1202 states and 1520 transitions. [2018-11-18 12:38:26,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1520 transitions. [2018-11-18 12:38:26,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 12:38:26,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:26,479 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:38:26,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:26,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1203 states and 1520 transitions. [2018-11-18 12:38:26,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1520 transitions. [2018-11-18 12:38:26,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 12:38:26,746 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:26,784 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 12:38:26,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:26,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1205 states and 1528 transitions. [2018-11-18 12:38:26,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1528 transitions. [2018-11-18 12:38:26,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 12:38:26,853 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:26,929 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 12:38:27,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:27,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 1206 states and 1530 transitions. [2018-11-18 12:38:27,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1530 transitions. [2018-11-18 12:38:27,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 12:38:27,248 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:27,616 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:38:28,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:28,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1232 states and 1559 transitions. [2018-11-18 12:38:28,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1559 transitions. [2018-11-18 12:38:28,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 12:38:28,882 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:29,058 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:38:29,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:29,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1275 states and 1601 transitions. [2018-11-18 12:38:29,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1601 transitions. [2018-11-18 12:38:29,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 12:38:29,753 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:29,776 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 12:38:29,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:29,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1276 states and 1605 transitions. [2018-11-18 12:38:29,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1605 transitions. [2018-11-18 12:38:29,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 12:38:29,993 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:30,018 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 12:38:30,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:30,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1613 states to 1281 states and 1613 transitions. [2018-11-18 12:38:30,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1613 transitions. [2018-11-18 12:38:30,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 12:38:30,441 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:30,481 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:38:30,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:30,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 1282 states and 1615 transitions. [2018-11-18 12:38:30,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1615 transitions. [2018-11-18 12:38:30,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 12:38:30,527 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:30,562 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 12:38:31,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:31,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 1349 states and 1685 transitions. [2018-11-18 12:38:31,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1685 transitions. [2018-11-18 12:38:31,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 12:38:31,417 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:31,451 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 12:38:32,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:32,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1406 states and 1743 transitions. [2018-11-18 12:38:32,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 1743 transitions. [2018-11-18 12:38:32,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 12:38:32,002 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:32,057 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 12:38:32,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:32,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1407 states and 1743 transitions. [2018-11-18 12:38:32,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 1743 transitions. [2018-11-18 12:38:32,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-18 12:38:32,379 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:32,411 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 12:38:34,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:34,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1474 states and 1823 transitions. [2018-11-18 12:38:34,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 1823 transitions. [2018-11-18 12:38:34,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-18 12:38:34,177 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:34,209 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 12:38:34,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:34,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1475 states and 1827 transitions. [2018-11-18 12:38:34,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1827 transitions. [2018-11-18 12:38:34,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-18 12:38:34,486 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:34,517 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 12:38:34,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:34,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1476 states and 1831 transitions. [2018-11-18 12:38:34,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1831 transitions. [2018-11-18 12:38:34,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 12:38:34,810 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:35,245 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 101 proven. 26 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 12:38:38,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:38,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 1510 states and 1880 transitions. [2018-11-18 12:38:38,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1880 transitions. [2018-11-18 12:38:38,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 12:38:38,182 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:38,263 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 101 proven. 26 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 12:38:40,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:40,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1532 states and 1908 transitions. [2018-11-18 12:38:40,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1908 transitions. [2018-11-18 12:38:40,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 12:38:40,238 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:40,264 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 12:38:40,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:40,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1533 states and 1911 transitions. [2018-11-18 12:38:40,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1911 transitions. [2018-11-18 12:38:40,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 12:38:40,497 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:40,527 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 12:38:40,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:40,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 1534 states and 1912 transitions. [2018-11-18 12:38:40,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 1912 transitions. [2018-11-18 12:38:40,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 12:38:40,717 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:40,745 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 12:38:40,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:40,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1535 states and 1914 transitions. [2018-11-18 12:38:40,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 1914 transitions. [2018-11-18 12:38:40,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 12:38:40,992 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:41,020 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 12:38:41,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:41,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1536 states and 1917 transitions. [2018-11-18 12:38:41,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1536 states and 1917 transitions. [2018-11-18 12:38:41,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 12:38:41,303 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:41,333 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 12:38:41,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:41,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 1537 states and 1919 transitions. [2018-11-18 12:38:41,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 1919 transitions. [2018-11-18 12:38:41,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 12:38:41,667 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:41,794 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 12:38:42,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:42,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 1543 states and 1929 transitions. [2018-11-18 12:38:42,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 1929 transitions. [2018-11-18 12:38:42,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-18 12:38:42,653 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:42,885 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 110 proven. 11 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 12:38:43,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:43,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1557 states and 1946 transitions. [2018-11-18 12:38:43,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1946 transitions. [2018-11-18 12:38:43,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 12:38:43,698 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:43,726 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 12:38:44,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:44,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1970 states to 1578 states and 1970 transitions. [2018-11-18 12:38:44,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1578 states and 1970 transitions. [2018-11-18 12:38:44,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 12:38:44,250 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:44,289 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 12:38:44,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:44,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1970 states to 1579 states and 1970 transitions. [2018-11-18 12:38:44,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1579 states and 1970 transitions. [2018-11-18 12:38:44,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 12:38:44,485 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:44,510 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 12:38:44,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:44,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1582 states and 1975 transitions. [2018-11-18 12:38:44,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 1975 transitions. [2018-11-18 12:38:44,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 12:38:44,853 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:44,879 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 12:38:45,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:45,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1583 states and 1975 transitions. [2018-11-18 12:38:45,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 1975 transitions. [2018-11-18 12:38:45,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 12:38:45,152 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:45,876 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 12:38:46,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:46,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 1600 states and 1995 transitions. [2018-11-18 12:38:46,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 1995 transitions. [2018-11-18 12:38:46,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 12:38:46,893 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:46,917 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 12:38:47,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:47,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 1605 states and 2004 transitions. [2018-11-18 12:38:47,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 2004 transitions. [2018-11-18 12:38:47,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 12:38:47,513 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:47,536 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 12:38:48,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:48,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2015 states to 1614 states and 2015 transitions. [2018-11-18 12:38:48,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 2015 transitions. [2018-11-18 12:38:48,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 12:38:48,172 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:48,499 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-18 12:38:50,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:50,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2037 states to 1626 states and 2037 transitions. [2018-11-18 12:38:50,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 2037 transitions. [2018-11-18 12:38:50,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 12:38:50,579 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:50,631 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-18 12:38:50,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:50,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2039 states to 1628 states and 2039 transitions. [2018-11-18 12:38:50,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 2039 transitions. [2018-11-18 12:38:50,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 12:38:50,995 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:51,043 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 205 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 12:38:52,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:52,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2053 states to 1637 states and 2053 transitions. [2018-11-18 12:38:52,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2053 transitions. [2018-11-18 12:38:52,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 12:38:52,318 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:52,346 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:38:53,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:53,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2094 states to 1672 states and 2094 transitions. [2018-11-18 12:38:53,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2094 transitions. [2018-11-18 12:38:53,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 12:38:53,439 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:53,698 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 26 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:38:55,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:55,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2134 states to 1703 states and 2134 transitions. [2018-11-18 12:38:55,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2134 transitions. [2018-11-18 12:38:55,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 12:38:55,721 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:55,820 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 26 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:38:56,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:56,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 1770 states and 2203 transitions. [2018-11-18 12:38:56,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2203 transitions. [2018-11-18 12:38:56,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 12:38:56,837 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:56,942 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 26 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:38:57,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:57,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 1771 states and 2203 transitions. [2018-11-18 12:38:57,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1771 states and 2203 transitions. [2018-11-18 12:38:57,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-18 12:38:57,239 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:57,469 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 12:38:59,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:38:59,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 1800 states and 2241 transitions. [2018-11-18 12:38:59,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2241 transitions. [2018-11-18 12:38:59,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-18 12:38:59,056 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:38:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:38:59,188 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 12:39:00,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:00,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2263 states to 1819 states and 2263 transitions. [2018-11-18 12:39:00,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2263 transitions. [2018-11-18 12:39:00,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-18 12:39:00,101 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:00,755 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 32 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:39:03,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:03,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 1858 states and 2309 transitions. [2018-11-18 12:39:03,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 2309 transitions. [2018-11-18 12:39:03,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-18 12:39:03,108 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:03,155 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 12:39:04,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:04,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 1875 states and 2334 transitions. [2018-11-18 12:39:04,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2334 transitions. [2018-11-18 12:39:04,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 12:39:04,312 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:04,358 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 12:39:04,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:04,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2341 states to 1884 states and 2341 transitions. [2018-11-18 12:39:04,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1884 states and 2341 transitions. [2018-11-18 12:39:04,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 12:39:04,777 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:04,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:06,056 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 12:39:08,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:08,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 1932 states and 2389 transitions. [2018-11-18 12:39:08,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states and 2389 transitions. [2018-11-18 12:39:08,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-18 12:39:08,532 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:08,567 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 12:39:10,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:10,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2423 states to 1957 states and 2423 transitions. [2018-11-18 12:39:10,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 2423 transitions. [2018-11-18 12:39:10,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-18 12:39:10,692 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:12,517 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 12:39:14,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:14,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2425 states to 1958 states and 2425 transitions. [2018-11-18 12:39:14,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1958 states and 2425 transitions. [2018-11-18 12:39:14,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-18 12:39:14,604 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:14,719 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 12:39:15,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:15,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2428 states to 1959 states and 2428 transitions. [2018-11-18 12:39:15,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states and 2428 transitions. [2018-11-18 12:39:15,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 12:39:15,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:16,271 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 184 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:39:19,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:19,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2480 states to 1999 states and 2480 transitions. [2018-11-18 12:39:19,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 2480 transitions. [2018-11-18 12:39:19,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-18 12:39:19,916 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:20,714 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 61 proven. 148 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:39:24,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:24,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2568 states to 2076 states and 2568 transitions. [2018-11-18 12:39:24,136 INFO L276 IsEmpty]: Start isEmpty. Operand 2076 states and 2568 transitions. [2018-11-18 12:39:24,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-11-18 12:39:24,137 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:24,194 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 12:39:24,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:24,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2078 states and 2569 transitions. [2018-11-18 12:39:24,595 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 2569 transitions. [2018-11-18 12:39:24,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-18 12:39:24,596 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:26,261 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 12:39:27,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:27,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2571 states to 2079 states and 2571 transitions. [2018-11-18 12:39:27,978 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 2571 transitions. [2018-11-18 12:39:27,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-18 12:39:27,979 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:28,026 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 12:39:28,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:28,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2574 states to 2083 states and 2574 transitions. [2018-11-18 12:39:28,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 2574 transitions. [2018-11-18 12:39:28,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 12:39:28,239 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:28,668 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-18 12:39:29,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:29,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 2085 states and 2577 transitions. [2018-11-18 12:39:29,605 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 2577 transitions. [2018-11-18 12:39:29,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-18 12:39:29,606 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:29,648 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 12:39:34,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:34,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2620 states to 2114 states and 2620 transitions. [2018-11-18 12:39:34,067 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 2620 transitions. [2018-11-18 12:39:34,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-18 12:39:34,068 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:34,110 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 12:39:35,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:35,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 2121 states and 2632 transitions. [2018-11-18 12:39:35,823 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 2632 transitions. [2018-11-18 12:39:35,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-18 12:39:35,824 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:35,866 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 12:39:38,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:38,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2652 states to 2140 states and 2652 transitions. [2018-11-18 12:39:38,045 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2652 transitions. [2018-11-18 12:39:38,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-18 12:39:38,046 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:38,089 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 12:39:38,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:38,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2652 states to 2141 states and 2652 transitions. [2018-11-18 12:39:38,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2141 states and 2652 transitions. [2018-11-18 12:39:38,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-18 12:39:38,594 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:39,511 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 265 proven. 20 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 12:39:43,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:43,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2691 states to 2172 states and 2691 transitions. [2018-11-18 12:39:43,973 INFO L276 IsEmpty]: Start isEmpty. Operand 2172 states and 2691 transitions. [2018-11-18 12:39:43,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-18 12:39:43,974 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:44,047 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 265 proven. 20 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 12:39:44,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:44,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2691 states to 2173 states and 2691 transitions. [2018-11-18 12:39:44,597 INFO L276 IsEmpty]: Start isEmpty. Operand 2173 states and 2691 transitions. [2018-11-18 12:39:44,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-18 12:39:44,598 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:45,353 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 274 proven. 21 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 12:39:46,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:46,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2696 states to 2177 states and 2696 transitions. [2018-11-18 12:39:46,118 INFO L276 IsEmpty]: Start isEmpty. Operand 2177 states and 2696 transitions. [2018-11-18 12:39:46,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-18 12:39:46,119 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:46,169 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 12:39:46,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:46,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2700 states to 2178 states and 2700 transitions. [2018-11-18 12:39:46,626 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 2700 transitions. [2018-11-18 12:39:46,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-18 12:39:46,627 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:46,677 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 12:39:47,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:47,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2182 states and 2704 transitions. [2018-11-18 12:39:47,049 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2704 transitions. [2018-11-18 12:39:47,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-18 12:39:47,050 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:47,100 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 12:39:48,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:48,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2713 states to 2186 states and 2713 transitions. [2018-11-18 12:39:48,451 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 2713 transitions. [2018-11-18 12:39:48,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-18 12:39:48,452 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:48,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:48,502 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 12:39:49,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:49,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 2189 states and 2717 transitions. [2018-11-18 12:39:49,912 INFO L276 IsEmpty]: Start isEmpty. Operand 2189 states and 2717 transitions. [2018-11-18 12:39:49,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-18 12:39:49,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:49,964 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 12:39:50,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:50,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2720 states to 2193 states and 2720 transitions. [2018-11-18 12:39:50,244 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 2720 transitions. [2018-11-18 12:39:50,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-18 12:39:50,245 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:50,297 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 12:39:50,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:50,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 2195 states and 2721 transitions. [2018-11-18 12:39:50,752 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2721 transitions. [2018-11-18 12:39:50,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-18 12:39:50,753 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:51,733 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:39:54,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:54,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2244 states and 2774 transitions. [2018-11-18 12:39:54,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2244 states and 2774 transitions. [2018-11-18 12:39:54,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-18 12:39:54,905 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:55,136 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:39:55,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:55,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2245 states and 2774 transitions. [2018-11-18 12:39:55,674 INFO L276 IsEmpty]: Start isEmpty. Operand 2245 states and 2774 transitions. [2018-11-18 12:39:55,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-18 12:39:55,675 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:56,575 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 283 proven. 21 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 12:39:58,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:58,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2781 states to 2250 states and 2781 transitions. [2018-11-18 12:39:58,232 INFO L276 IsEmpty]: Start isEmpty. Operand 2250 states and 2781 transitions. [2018-11-18 12:39:58,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-11-18 12:39:58,233 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:58,745 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 265 proven. 34 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 12:39:59,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:39:59,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2783 states to 2251 states and 2783 transitions. [2018-11-18 12:39:59,615 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 2783 transitions. [2018-11-18 12:39:59,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-11-18 12:39:59,616 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:39:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:59,703 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 265 proven. 34 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 12:40:00,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:40:00,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2255 states and 2788 transitions. [2018-11-18 12:40:00,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 2788 transitions. [2018-11-18 12:40:00,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 12:40:00,730 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:40:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:40:00,882 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-18 12:40:02,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:40:02,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2795 states to 2259 states and 2795 transitions. [2018-11-18 12:40:02,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 2795 transitions. [2018-11-18 12:40:02,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 12:40:02,355 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:40:02,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:40:02,407 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-18 12:40:04,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:40:04,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2798 states to 2264 states and 2798 transitions. [2018-11-18 12:40:04,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 2798 transitions. [2018-11-18 12:40:04,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 12:40:04,062 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:40:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:40:04,131 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-18 12:40:04,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:40:04,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2266 states and 2799 transitions. [2018-11-18 12:40:04,204 INFO L276 IsEmpty]: Start isEmpty. Operand 2266 states and 2799 transitions. [2018-11-18 12:40:04,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 12:40:04,206 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:40:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:40:04,291 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 153 proven. 10 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-11-18 12:40:04,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:40:04,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 2272 states and 2807 transitions. [2018-11-18 12:40:04,753 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2807 transitions. [2018-11-18 12:40:04,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 12:40:04,754 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:40:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:40:04,840 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 153 proven. 10 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-11-18 12:40:05,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:40:05,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 2273 states and 2807 transitions. [2018-11-18 12:40:05,092 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 2807 transitions. [2018-11-18 12:40:05,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 12:40:05,093 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:40:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:40:05,134 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-11-18 12:40:06,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:40:06,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 2279 states and 2814 transitions. [2018-11-18 12:40:06,072 INFO L276 IsEmpty]: Start isEmpty. Operand 2279 states and 2814 transitions. [2018-11-18 12:40:06,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 12:40:06,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:40:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:40:06,247 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-11-18 12:40:06,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:40:06,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2815 states to 2280 states and 2815 transitions. [2018-11-18 12:40:06,690 INFO L276 IsEmpty]: Start isEmpty. Operand 2280 states and 2815 transitions. [2018-11-18 12:40:06,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-11-18 12:40:06,691 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:40:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:40:06,735 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-11-18 12:40:08,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:40:08,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2304 states and 2846 transitions. [2018-11-18 12:40:08,906 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 2846 transitions. [2018-11-18 12:40:08,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-18 12:40:08,907 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:40:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:40:09,061 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-18 12:40:11,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:40:11,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 2357 states and 2901 transitions. [2018-11-18 12:40:11,935 INFO L276 IsEmpty]: Start isEmpty. Operand 2357 states and 2901 transitions. [2018-11-18 12:40:11,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-18 12:40:11,936 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:40:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:40:12,185 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-18 12:40:12,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:40:12,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2906 states to 2364 states and 2906 transitions. [2018-11-18 12:40:12,643 INFO L276 IsEmpty]: Start isEmpty. Operand 2364 states and 2906 transitions. [2018-11-18 12:40:12,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-18 12:40:12,644 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:40:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:40:13,161 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 19 proven. 308 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 12:40:25,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:40:25,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 2502 states and 3104 transitions. [2018-11-18 12:40:25,912 INFO L276 IsEmpty]: Start isEmpty. Operand 2502 states and 3104 transitions. [2018-11-18 12:40:25,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-18 12:40:25,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:40:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:40:26,033 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 118 proven. 222 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 12:40:27,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:40:27,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3039 states to 2438 states and 3039 transitions. [2018-11-18 12:40:27,344 INFO L276 IsEmpty]: Start isEmpty. Operand 2438 states and 3039 transitions. [2018-11-18 12:40:27,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:40:27,345 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 161 iterations. [2018-11-18 12:40:27,352 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 12:40:27,981 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 17 [2018-11-18 12:40:28,089 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 17 [2018-11-18 12:40:28,409 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 17 [2018-11-18 12:40:28,594 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 17 [2018-11-18 12:40:28,770 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 17 [2018-11-18 12:40:29,998 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 17 [2018-11-18 12:40:30,392 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 17 [2018-11-18 12:40:31,022 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 17 [2018-11-18 12:40:31,783 WARN L180 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 52 [2018-11-18 12:40:32,446 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:40:32,448 INFO L579 CodeCheckObserver]: Invariant with dag size 17 [2018-11-18 12:40:32,454 INFO L579 CodeCheckObserver]: Invariant with dag size 17 [2018-11-18 12:40:32,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 12:40:32 ImpRootNode [2018-11-18 12:40:32,454 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 12:40:32,455 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:40:32,455 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:40:32,455 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:40:32,455 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:37:51" (3/4) ... [2018-11-18 12:40:32,457 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:40:32,469 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-11-18 12:40:32,469 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 12:40:32,470 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-18 12:40:32,471 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 12:40:32,551 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f3293f1f-c4ef-4748-b783-78fab8672fd9/bin-2019/ukojak/witness.graphml [2018-11-18 12:40:32,551 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:40:32,552 INFO L168 Benchmark]: Toolchain (without parser) took 162764.93 ms. Allocated memory was 1.0 GB in the beginning and 3.9 GB in the end (delta: 2.9 GB). Free memory was 956.6 MB in the beginning and 961.0 MB in the end (delta: -4.4 MB). Peak memory consumption was 2.9 GB. Max. memory is 11.5 GB. [2018-11-18 12:40:32,552 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:40:32,552 INFO L168 Benchmark]: CACSL2BoogieTranslator took 417.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -174.0 MB). Peak memory consumption was 56.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:40:32,552 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.64 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:40:32,553 INFO L168 Benchmark]: Boogie Preprocessor took 39.75 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:40:32,553 INFO L168 Benchmark]: RCFGBuilder took 1210.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 882.3 MB in the end (delta: 232.2 MB). Peak memory consumption was 232.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:40:32,553 INFO L168 Benchmark]: CodeCheck took 160946.59 ms. Allocated memory was 1.2 GB in the beginning and 3.9 GB in the end (delta: 2.8 GB). Free memory was 882.3 MB in the beginning and 961.0 MB in the end (delta: -78.7 MB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. [2018-11-18 12:40:32,553 INFO L168 Benchmark]: Witness Printer took 96.59 ms. Allocated memory is still 3.9 GB. Free memory is still 961.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:40:32,555 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, 199 locations, 1 error locations. SAFE Result, 155.8s OverallTime, 161 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1971018712 SDtfs, -306871184 SDslu, -1550255172 SDs, 0 SdLazy, 2142684484 SolverSat, 1950895040 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 466.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 171793 GetRequests, 166526 SyntacticMatches, 3583 SemanticMatches, 1684 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1784995 ImplicationChecksByTransitivity, 138.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 19.8s InterpolantComputationTime, 25720 NumberOfCodeBlocks, 25720 NumberOfCodeBlocksAsserted, 160 NumberOfCheckSat, 25560 ConstructedInterpolants, 0 QuantifiedInterpolants, 20621929 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 160 InterpolantComputations, 132 PerfectInterpolantSequences, 22095/23170 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: 539]: 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: (((!(a16 == 5) || a8 == 15) || !(a17 == 1)) || a7 == 1) || !(a20 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((!(a16 == 5) || !(a17 == 1)) || a7 == 1) || a8 == 15) || !(a20 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 417.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -174.0 MB). Peak memory consumption was 56.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.64 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.75 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1210.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 882.3 MB in the end (delta: 232.2 MB). Peak memory consumption was 232.2 MB. Max. memory is 11.5 GB. * CodeCheck took 160946.59 ms. Allocated memory was 1.2 GB in the beginning and 3.9 GB in the end (delta: 2.8 GB). Free memory was 882.3 MB in the beginning and 961.0 MB in the end (delta: -78.7 MB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. * Witness Printer took 96.59 ms. Allocated memory is still 3.9 GB. Free memory is still 961.0 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...