./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/psyco/psyco_accelerometer_1_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_d1c5a5ca-8ff5-4038-8aaf-f6bd64aafff4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d1c5a5ca-8ff5-4038-8aaf-f6bd64aafff4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d1c5a5ca-8ff5-4038-8aaf-f6bd64aafff4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d1c5a5ca-8ff5-4038-8aaf-f6bd64aafff4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/psyco/psyco_accelerometer_1_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d1c5a5ca-8ff5-4038-8aaf-f6bd64aafff4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d1c5a5ca-8ff5-4038-8aaf-f6bd64aafff4/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 ede185df305af642a5265096891dc95893f4609c 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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 13:30:37,627 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:30:37,629 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:30:37,637 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:30:37,637 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:30:37,638 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:30:37,639 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:30:37,640 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:30:37,641 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:30:37,642 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:30:37,642 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:30:37,642 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:30:37,643 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:30:37,644 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:30:37,644 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:30:37,645 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:30:37,645 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:30:37,647 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:30:37,648 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:30:37,649 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:30:37,650 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:30:37,650 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:30:37,652 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:30:37,652 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:30:37,652 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:30:37,653 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:30:37,654 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:30:37,654 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:30:37,655 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:30:37,655 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:30:37,655 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:30:37,656 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:30:37,656 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:30:37,656 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:30:37,657 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:30:37,657 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:30:37,658 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d1c5a5ca-8ff5-4038-8aaf-f6bd64aafff4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 13:30:37,667 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:30:37,667 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:30:37,668 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:30:37,668 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:30:37,669 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:30:37,669 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:30:37,669 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:30:37,669 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:30:37,669 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:30:37,669 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:30:37,670 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:30:37,670 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:30:37,670 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:30:37,670 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:30:37,670 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:30:37,670 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:30:37,670 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:30:37,670 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:30:37,670 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 13:30:37,671 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 13:30:37,671 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:30:37,671 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:30:37,671 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 13:30:37,671 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:30:37,671 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:30:37,671 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:30:37,672 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 13:30:37,672 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:30:37,672 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:30:37,672 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_d1c5a5ca-8ff5-4038-8aaf-f6bd64aafff4/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 -> ede185df305af642a5265096891dc95893f4609c [2018-11-18 13:30:37,694 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:30:37,703 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:30:37,706 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:30:37,707 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:30:37,707 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:30:37,708 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d1c5a5ca-8ff5-4038-8aaf-f6bd64aafff4/bin-2019/ukojak/../../sv-benchmarks/c/psyco/psyco_accelerometer_1_true-unreach-call_false-termination.c [2018-11-18 13:30:37,755 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d1c5a5ca-8ff5-4038-8aaf-f6bd64aafff4/bin-2019/ukojak/data/6617f23d8/666f08a8ba4e42839c56dbed457c6b7f/FLAGb9389de8e [2018-11-18 13:30:38,223 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:30:38,224 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d1c5a5ca-8ff5-4038-8aaf-f6bd64aafff4/sv-benchmarks/c/psyco/psyco_accelerometer_1_true-unreach-call_false-termination.c [2018-11-18 13:30:38,243 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d1c5a5ca-8ff5-4038-8aaf-f6bd64aafff4/bin-2019/ukojak/data/6617f23d8/666f08a8ba4e42839c56dbed457c6b7f/FLAGb9389de8e [2018-11-18 13:30:38,513 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d1c5a5ca-8ff5-4038-8aaf-f6bd64aafff4/bin-2019/ukojak/data/6617f23d8/666f08a8ba4e42839c56dbed457c6b7f [2018-11-18 13:30:38,515 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:30:38,516 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:30:38,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:30:38,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:30:38,519 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:30:38,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:30:38" (1/1) ... [2018-11-18 13:30:38,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14211896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:30:38, skipping insertion in model container [2018-11-18 13:30:38,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:30:38" (1/1) ... [2018-11-18 13:30:38,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:30:38,610 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:30:39,028 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:30:39,032 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:30:39,268 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:30:39,280 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:30:39,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:30:39 WrapperNode [2018-11-18 13:30:39,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:30:39,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:30:39,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:30:39,281 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:30:39,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:30:39" (1/1) ... [2018-11-18 13:30:39,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:30:39" (1/1) ... [2018-11-18 13:30:39,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:30:39,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:30:39,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:30:39,490 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:30:39,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:30:39" (1/1) ... [2018-11-18 13:30:39,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:30:39" (1/1) ... [2018-11-18 13:30:39,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:30:39" (1/1) ... [2018-11-18 13:30:39,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:30:39" (1/1) ... [2018-11-18 13:30:39,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:30:39" (1/1) ... [2018-11-18 13:30:39,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:30:39" (1/1) ... [2018-11-18 13:30:39,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:30:39" (1/1) ... [2018-11-18 13:30:39,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:30:39,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:30:39,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:30:39,577 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:30:39,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:30:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d1c5a5ca-8ff5-4038-8aaf-f6bd64aafff4/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 13:30:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:30:39,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:30:40,856 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:30:40,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:30:40 BoogieIcfgContainer [2018-11-18 13:30:40,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:30:40,857 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 13:30:40,857 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 13:30:40,864 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 13:30:40,864 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:30:40" (1/1) ... [2018-11-18 13:30:40,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:40,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:40,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 235 states and 463 transitions. [2018-11-18 13:30:40,900 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 463 transitions. [2018-11-18 13:30:40,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 13:30:40,902 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:40,986 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 13:30:41,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:41,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 235 states and 421 transitions. [2018-11-18 13:30:41,008 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 421 transitions. [2018-11-18 13:30:41,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 13:30:41,009 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:41,044 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 13:30:41,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:41,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 238 states and 483 transitions. [2018-11-18 13:30:41,207 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 483 transitions. [2018-11-18 13:30:41,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 13:30:41,208 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:41,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:41,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:41,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 238 states and 482 transitions. [2018-11-18 13:30:41,245 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 482 transitions. [2018-11-18 13:30:41,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 13:30:41,245 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:41,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:41,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:41,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 241 states and 544 transitions. [2018-11-18 13:30:41,416 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 544 transitions. [2018-11-18 13:30:41,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 13:30:41,420 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:41,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:41,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:41,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 250 states and 670 transitions. [2018-11-18 13:30:41,666 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 670 transitions. [2018-11-18 13:30:41,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 13:30:41,667 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:41,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:41,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:41,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 254 states and 732 transitions. [2018-11-18 13:30:41,845 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 732 transitions. [2018-11-18 13:30:41,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 13:30:41,845 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:41,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:42,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:42,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 264 states and 812 transitions. [2018-11-18 13:30:42,001 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 812 transitions. [2018-11-18 13:30:42,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 13:30:42,001 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:42,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:42,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:42,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 267 states and 816 transitions. [2018-11-18 13:30:42,028 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 816 transitions. [2018-11-18 13:30:42,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 13:30:42,028 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:42,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:42,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:42,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 272 states and 824 transitions. [2018-11-18 13:30:42,081 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 824 transitions. [2018-11-18 13:30:42,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 13:30:42,081 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:42,134 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:42,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:42,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 276 states and 888 transitions. [2018-11-18 13:30:42,252 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 888 transitions. [2018-11-18 13:30:42,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 13:30:42,253 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:42,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:42,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:42,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 289 states and 936 transitions. [2018-11-18 13:30:42,624 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 936 transitions. [2018-11-18 13:30:42,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 13:30:42,625 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:42,665 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:42,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:42,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 289 states and 934 transitions. [2018-11-18 13:30:42,724 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 934 transitions. [2018-11-18 13:30:42,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 13:30:42,725 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:42,741 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 13:30:42,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:42,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 293 states and 997 transitions. [2018-11-18 13:30:42,936 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 997 transitions. [2018-11-18 13:30:42,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 13:30:42,937 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:42,950 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:30:42,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:42,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 294 states and 998 transitions. [2018-11-18 13:30:42,959 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 998 transitions. [2018-11-18 13:30:42,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 13:30:42,960 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:42,974 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 13:30:43,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:43,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 295 states and 1002 transitions. [2018-11-18 13:30:43,048 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 1002 transitions. [2018-11-18 13:30:43,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 13:30:43,049 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:43,064 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:30:43,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:43,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 296 states and 1004 transitions. [2018-11-18 13:30:43,187 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 1004 transitions. [2018-11-18 13:30:43,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 13:30:43,187 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:43,219 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 13:30:43,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:43,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 297 states and 1005 transitions. [2018-11-18 13:30:43,236 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 1005 transitions. [2018-11-18 13:30:43,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 13:30:43,237 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:43,251 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:30:43,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:43,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 298 states and 1007 transitions. [2018-11-18 13:30:43,314 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 1007 transitions. [2018-11-18 13:30:43,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 13:30:43,314 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:43,327 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:30:43,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:43,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 299 states and 1007 transitions. [2018-11-18 13:30:43,338 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 1007 transitions. [2018-11-18 13:30:43,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 13:30:43,338 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:43,356 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 13:30:43,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:43,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 300 states and 1008 transitions. [2018-11-18 13:30:43,380 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 1008 transitions. [2018-11-18 13:30:43,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 13:30:43,381 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:43,425 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:43,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:43,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 304 states and 1018 transitions. [2018-11-18 13:30:43,601 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 1018 transitions. [2018-11-18 13:30:43,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 13:30:43,602 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:43,643 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:30:43,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:43,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 306 states and 1019 transitions. [2018-11-18 13:30:43,656 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 1019 transitions. [2018-11-18 13:30:43,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 13:30:43,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:43,680 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 13:30:43,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:43,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 307 states and 1020 transitions. [2018-11-18 13:30:43,688 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 1020 transitions. [2018-11-18 13:30:43,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 13:30:43,689 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:43,728 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:43,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:43,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 308 states and 1019 transitions. [2018-11-18 13:30:43,737 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 1019 transitions. [2018-11-18 13:30:43,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 13:30:43,737 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:43,783 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:30:43,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:43,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 310 states and 1020 transitions. [2018-11-18 13:30:43,804 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 1020 transitions. [2018-11-18 13:30:43,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 13:30:43,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:43,826 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:30:43,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:43,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 311 states and 1020 transitions. [2018-11-18 13:30:43,834 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1020 transitions. [2018-11-18 13:30:43,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 13:30:43,835 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:43,903 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 13:30:43,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:43,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 312 states and 1022 transitions. [2018-11-18 13:30:43,914 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 1022 transitions. [2018-11-18 13:30:43,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 13:30:43,915 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:43,952 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:43,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:43,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 314 states and 1025 transitions. [2018-11-18 13:30:43,965 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 1025 transitions. [2018-11-18 13:30:43,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 13:30:43,965 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:43,997 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:44,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:44,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 315 states and 1026 transitions. [2018-11-18 13:30:44,010 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 1026 transitions. [2018-11-18 13:30:44,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 13:30:44,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:44,042 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:44,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:44,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 315 states and 1023 transitions. [2018-11-18 13:30:44,052 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 1023 transitions. [2018-11-18 13:30:44,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 13:30:44,053 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:44,066 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:30:44,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:44,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 318 states and 1029 transitions. [2018-11-18 13:30:44,119 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 1029 transitions. [2018-11-18 13:30:44,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:30:44,119 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:44,130 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:30:44,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:44,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 320 states and 1032 transitions. [2018-11-18 13:30:44,138 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 1032 transitions. [2018-11-18 13:30:44,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:30:44,138 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:44,168 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:44,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:44,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 324 states and 1095 transitions. [2018-11-18 13:30:44,362 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 1095 transitions. [2018-11-18 13:30:44,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:30:44,363 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:44,375 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:30:44,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:44,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 328 states and 1106 transitions. [2018-11-18 13:30:44,436 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 1106 transitions. [2018-11-18 13:30:44,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:30:44,438 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:44,451 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:30:44,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:44,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 330 states and 1110 transitions. [2018-11-18 13:30:44,511 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 1110 transitions. [2018-11-18 13:30:44,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:30:44,511 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:44,556 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:30:44,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:44,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 332 states and 1111 transitions. [2018-11-18 13:30:44,568 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 1111 transitions. [2018-11-18 13:30:44,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 13:30:44,569 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:44,581 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:30:44,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:44,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 334 states and 1115 transitions. [2018-11-18 13:30:44,591 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 1115 transitions. [2018-11-18 13:30:44,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 13:30:44,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:44,604 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:30:44,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:44,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 335 states and 1116 transitions. [2018-11-18 13:30:44,621 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 1116 transitions. [2018-11-18 13:30:44,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 13:30:44,621 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:44,633 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:30:44,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:44,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 337 states and 1121 transitions. [2018-11-18 13:30:44,642 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 1121 transitions. [2018-11-18 13:30:44,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 13:30:44,643 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:44,655 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:30:44,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:44,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 339 states and 1123 transitions. [2018-11-18 13:30:44,701 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 1123 transitions. [2018-11-18 13:30:44,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 13:30:44,701 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:44,752 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:44,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:44,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 349 states and 1248 transitions. [2018-11-18 13:30:44,970 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 1248 transitions. [2018-11-18 13:30:44,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 13:30:44,970 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:44,998 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:30:45,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:45,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 351 states and 1249 transitions. [2018-11-18 13:30:45,007 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 1249 transitions. [2018-11-18 13:30:45,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 13:30:45,007 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:45,018 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:30:45,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:45,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 353 states and 1253 transitions. [2018-11-18 13:30:45,034 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 1253 transitions. [2018-11-18 13:30:45,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 13:30:45,035 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:45,043 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:30:45,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:45,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 355 states and 1256 transitions. [2018-11-18 13:30:45,049 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 1256 transitions. [2018-11-18 13:30:45,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 13:30:45,049 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:45,060 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:30:45,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:45,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 356 states and 1257 transitions. [2018-11-18 13:30:45,068 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 1257 transitions. [2018-11-18 13:30:45,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 13:30:45,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:45,082 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:30:45,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:45,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 357 states and 1258 transitions. [2018-11-18 13:30:45,112 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 1258 transitions. [2018-11-18 13:30:45,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 13:30:45,112 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:45,123 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:30:45,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:45,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 358 states and 1259 transitions. [2018-11-18 13:30:45,141 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 1259 transitions. [2018-11-18 13:30:45,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 13:30:45,142 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:45,154 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:30:45,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:45,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 370 states and 1394 transitions. [2018-11-18 13:30:45,423 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 1394 transitions. [2018-11-18 13:30:45,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 13:30:45,424 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:45,453 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:45,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:45,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 375 states and 1457 transitions. [2018-11-18 13:30:45,672 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 1457 transitions. [2018-11-18 13:30:45,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 13:30:45,672 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:45,681 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:30:45,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:45,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 376 states and 1461 transitions. [2018-11-18 13:30:45,686 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 1461 transitions. [2018-11-18 13:30:45,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 13:30:45,687 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:45,694 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:30:45,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:45,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 377 states and 1461 transitions. [2018-11-18 13:30:45,703 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 1461 transitions. [2018-11-18 13:30:45,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 13:30:45,704 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:45,713 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:30:45,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:45,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 380 states and 1466 transitions. [2018-11-18 13:30:45,724 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 1466 transitions. [2018-11-18 13:30:45,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 13:30:45,724 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:45,736 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 13:30:45,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:45,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 382 states and 1469 transitions. [2018-11-18 13:30:45,748 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 1469 transitions. [2018-11-18 13:30:45,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 13:30:45,749 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:45,783 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:46,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:46,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 387 states and 1533 transitions. [2018-11-18 13:30:46,012 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 1533 transitions. [2018-11-18 13:30:46,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 13:30:46,012 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:46,020 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:46,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:46,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 393 states and 1545 transitions. [2018-11-18 13:30:46,032 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 1545 transitions. [2018-11-18 13:30:46,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 13:30:46,033 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:46,044 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 13:30:46,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:46,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 395 states and 1547 transitions. [2018-11-18 13:30:46,050 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 1547 transitions. [2018-11-18 13:30:46,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 13:30:46,051 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:46,058 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:46,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:46,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 400 states and 1555 transitions. [2018-11-18 13:30:46,112 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 1555 transitions. [2018-11-18 13:30:46,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 13:30:46,112 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:46,147 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:46,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:46,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 401 states and 1558 transitions. [2018-11-18 13:30:46,228 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 1558 transitions. [2018-11-18 13:30:46,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 13:30:46,228 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:46,241 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 13:30:46,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:46,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 403 states and 1561 transitions. [2018-11-18 13:30:46,247 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 1561 transitions. [2018-11-18 13:30:46,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 13:30:46,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:46,256 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:30:46,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:46,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 411 states and 1578 transitions. [2018-11-18 13:30:46,275 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 1578 transitions. [2018-11-18 13:30:46,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 13:30:46,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:46,286 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 13:30:46,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:46,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1579 states to 412 states and 1579 transitions. [2018-11-18 13:30:46,300 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 1579 transitions. [2018-11-18 13:30:46,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 13:30:46,300 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:46,336 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:46,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:46,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 426 states and 1717 transitions. [2018-11-18 13:30:46,930 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 1717 transitions. [2018-11-18 13:30:46,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 13:30:46,931 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:47,004 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:47,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:47,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 426 states and 1714 transitions. [2018-11-18 13:30:47,070 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 1714 transitions. [2018-11-18 13:30:47,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 13:30:47,071 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:47,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:47,086 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 13:30:47,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:47,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 427 states and 1714 transitions. [2018-11-18 13:30:47,096 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1714 transitions. [2018-11-18 13:30:47,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 13:30:47,096 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:47,107 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:30:47,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:47,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 430 states and 1719 transitions. [2018-11-18 13:30:47,132 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 1719 transitions. [2018-11-18 13:30:47,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 13:30:47,133 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:47,188 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:47,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:47,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 436 states and 1784 transitions. [2018-11-18 13:30:47,494 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 1784 transitions. [2018-11-18 13:30:47,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 13:30:47,495 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:47,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:47,506 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:47,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:47,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 438 states and 1794 transitions. [2018-11-18 13:30:47,544 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 1794 transitions. [2018-11-18 13:30:47,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 13:30:47,544 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:47,554 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:47,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:47,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 443 states and 1802 transitions. [2018-11-18 13:30:47,569 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 1802 transitions. [2018-11-18 13:30:47,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 13:30:47,569 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:47,621 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:47,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:47,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 444 states and 1805 transitions. [2018-11-18 13:30:47,639 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 1805 transitions. [2018-11-18 13:30:47,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 13:30:47,639 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:47,650 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:47,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:47,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 446 states and 1815 transitions. [2018-11-18 13:30:47,692 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 1815 transitions. [2018-11-18 13:30:47,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 13:30:47,692 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:47,728 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:47,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:47,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 448 states and 1819 transitions. [2018-11-18 13:30:47,985 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 1819 transitions. [2018-11-18 13:30:47,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 13:30:47,986 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:48,027 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:30:48,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:48,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 464 states and 1876 transitions. [2018-11-18 13:30:48,668 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1876 transitions. [2018-11-18 13:30:48,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 13:30:48,669 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:48,697 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:48,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:48,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 464 states and 1873 transitions. [2018-11-18 13:30:48,752 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1873 transitions. [2018-11-18 13:30:48,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 13:30:48,753 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:48,763 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:48,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:48,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 466 states and 1883 transitions. [2018-11-18 13:30:48,797 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 1883 transitions. [2018-11-18 13:30:48,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 13:30:48,798 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:48,821 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:48,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:48,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1886 states to 467 states and 1886 transitions. [2018-11-18 13:30:48,858 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 1886 transitions. [2018-11-18 13:30:48,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 13:30:48,859 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:48,866 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:30:48,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:48,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 468 states and 1889 transitions. [2018-11-18 13:30:48,985 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 1889 transitions. [2018-11-18 13:30:48,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 13:30:48,985 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:48,993 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:30:49,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:49,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 472 states and 1954 transitions. [2018-11-18 13:30:49,274 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 1954 transitions. [2018-11-18 13:30:49,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 13:30:49,274 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:49,282 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:49,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:49,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 474 states and 1965 transitions. [2018-11-18 13:30:49,328 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 1965 transitions. [2018-11-18 13:30:49,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 13:30:49,329 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:49,336 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:30:49,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:49,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 475 states and 1966 transitions. [2018-11-18 13:30:49,344 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 1966 transitions. [2018-11-18 13:30:49,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 13:30:49,345 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:49,353 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 13:30:49,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:49,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2035 states to 480 states and 2035 transitions. [2018-11-18 13:30:49,782 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 2035 transitions. [2018-11-18 13:30:49,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 13:30:49,782 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:49,791 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:30:49,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:49,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2037 states to 481 states and 2037 transitions. [2018-11-18 13:30:49,805 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 2037 transitions. [2018-11-18 13:30:49,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 13:30:49,805 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:49,825 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:49,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:49,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2041 states to 482 states and 2041 transitions. [2018-11-18 13:30:49,938 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 2041 transitions. [2018-11-18 13:30:49,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 13:30:49,939 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:49,946 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:49,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:49,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2053 states to 484 states and 2053 transitions. [2018-11-18 13:30:49,978 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 2053 transitions. [2018-11-18 13:30:49,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 13:30:49,979 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:50,007 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:50,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:50,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2060 states to 487 states and 2060 transitions. [2018-11-18 13:30:50,221 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 2060 transitions. [2018-11-18 13:30:50,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 13:30:50,221 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:50,233 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 13:30:50,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:50,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 488 states and 2061 transitions. [2018-11-18 13:30:50,245 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 2061 transitions. [2018-11-18 13:30:50,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 13:30:50,246 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:50,258 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 13:30:50,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:50,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2063 states to 489 states and 2063 transitions. [2018-11-18 13:30:50,279 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 2063 transitions. [2018-11-18 13:30:50,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 13:30:50,279 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:50,335 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:50,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:50,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 490 states and 2066 transitions. [2018-11-18 13:30:50,360 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 2066 transitions. [2018-11-18 13:30:50,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 13:30:50,360 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:50,451 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:50,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:50,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 496 states and 2145 transitions. [2018-11-18 13:30:50,966 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 2145 transitions. [2018-11-18 13:30:50,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 13:30:50,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:51,026 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:51,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:51,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 500 states and 2212 transitions. [2018-11-18 13:30:51,198 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 2212 transitions. [2018-11-18 13:30:51,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 13:30:51,198 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:51,208 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:51,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:51,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 502 states and 2226 transitions. [2018-11-18 13:30:51,242 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 2226 transitions. [2018-11-18 13:30:51,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 13:30:51,243 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:51,290 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:51,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:51,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 504 states and 2228 transitions. [2018-11-18 13:30:51,305 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 2228 transitions. [2018-11-18 13:30:51,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 13:30:51,305 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:51,406 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:51,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:51,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2317 states to 516 states and 2317 transitions. [2018-11-18 13:30:51,766 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 2317 transitions. [2018-11-18 13:30:51,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 13:30:51,767 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:51,774 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:30:51,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:51,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2319 states to 517 states and 2319 transitions. [2018-11-18 13:30:51,938 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 2319 transitions. [2018-11-18 13:30:51,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 13:30:51,939 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:51,996 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:52,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:52,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2322 states to 518 states and 2322 transitions. [2018-11-18 13:30:52,003 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 2322 transitions. [2018-11-18 13:30:52,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 13:30:52,004 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:52,011 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:30:52,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:52,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2324 states to 519 states and 2324 transitions. [2018-11-18 13:30:52,131 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 2324 transitions. [2018-11-18 13:30:52,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 13:30:52,131 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:52,178 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:52,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:52,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2324 states to 520 states and 2324 transitions. [2018-11-18 13:30:52,248 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 2324 transitions. [2018-11-18 13:30:52,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 13:30:52,248 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:52,255 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:52,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:52,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2339 states to 522 states and 2339 transitions. [2018-11-18 13:30:52,288 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 2339 transitions. [2018-11-18 13:30:52,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 13:30:52,289 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:52,337 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:52,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:52,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2341 states to 524 states and 2341 transitions. [2018-11-18 13:30:52,352 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 2341 transitions. [2018-11-18 13:30:52,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 13:30:52,352 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:52,397 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:52,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:52,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2355 states to 532 states and 2355 transitions. [2018-11-18 13:30:52,516 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 2355 transitions. [2018-11-18 13:30:52,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 13:30:52,516 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:52,525 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:30:52,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:52,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 533 states and 2356 transitions. [2018-11-18 13:30:52,554 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 2356 transitions. [2018-11-18 13:30:52,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 13:30:52,555 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:52,565 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:30:52,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:52,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2357 states to 534 states and 2357 transitions. [2018-11-18 13:30:52,576 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 2357 transitions. [2018-11-18 13:30:52,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 13:30:52,576 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:52,587 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:30:52,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:52,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2358 states to 535 states and 2358 transitions. [2018-11-18 13:30:52,597 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 2358 transitions. [2018-11-18 13:30:52,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 13:30:52,598 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:52,612 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:30:52,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:52,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2361 states to 536 states and 2361 transitions. [2018-11-18 13:30:52,646 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 2361 transitions. [2018-11-18 13:30:52,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 13:30:52,646 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:52,661 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 13:30:52,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:52,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2363 states to 537 states and 2363 transitions. [2018-11-18 13:30:52,754 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 2363 transitions. [2018-11-18 13:30:52,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 13:30:52,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:52,762 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:52,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:52,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2378 states to 539 states and 2378 transitions. [2018-11-18 13:30:52,793 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 2378 transitions. [2018-11-18 13:30:52,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 13:30:52,794 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:52,820 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:52,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:52,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2380 states to 541 states and 2380 transitions. [2018-11-18 13:30:52,836 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 2380 transitions. [2018-11-18 13:30:52,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 13:30:52,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:52,869 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:53,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:53,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2387 states to 544 states and 2387 transitions. [2018-11-18 13:30:53,099 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 2387 transitions. [2018-11-18 13:30:53,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 13:30:53,099 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:53,142 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:53,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:53,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 546 states and 2388 transitions. [2018-11-18 13:30:53,190 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 2388 transitions. [2018-11-18 13:30:53,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 13:30:53,190 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:53,197 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:30:53,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:53,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 547 states and 2388 transitions. [2018-11-18 13:30:53,204 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 2388 transitions. [2018-11-18 13:30:53,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 13:30:53,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:53,214 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:30:53,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:53,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2391 states to 548 states and 2391 transitions. [2018-11-18 13:30:53,224 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 2391 transitions. [2018-11-18 13:30:53,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 13:30:53,224 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:53,256 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:53,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:53,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2401 states to 552 states and 2401 transitions. [2018-11-18 13:30:53,366 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 2401 transitions. [2018-11-18 13:30:53,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 13:30:53,366 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:53,375 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:53,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:53,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2402 states to 554 states and 2402 transitions. [2018-11-18 13:30:53,418 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 2402 transitions. [2018-11-18 13:30:53,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 13:30:53,418 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:53,425 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:30:53,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:53,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2403 states to 555 states and 2403 transitions. [2018-11-18 13:30:53,432 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 2403 transitions. [2018-11-18 13:30:53,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 13:30:53,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:53,439 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 13:30:53,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:53,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 556 states and 2406 transitions. [2018-11-18 13:30:53,450 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 2406 transitions. [2018-11-18 13:30:53,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 13:30:53,450 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:53,458 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:30:53,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:53,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2408 states to 557 states and 2408 transitions. [2018-11-18 13:30:53,609 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 2408 transitions. [2018-11-18 13:30:53,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 13:30:53,609 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:53,630 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:53,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:53,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2423 states to 559 states and 2423 transitions. [2018-11-18 13:30:53,662 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 2423 transitions. [2018-11-18 13:30:53,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 13:30:53,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:53,688 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:53,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:53,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2425 states to 561 states and 2425 transitions. [2018-11-18 13:30:53,703 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 2425 transitions. [2018-11-18 13:30:53,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 13:30:53,704 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:53,723 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:53,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:53,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2427 states to 563 states and 2427 transitions. [2018-11-18 13:30:53,740 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 2427 transitions. [2018-11-18 13:30:53,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 13:30:53,740 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:53,799 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:53,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:53,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2431 states to 565 states and 2431 transitions. [2018-11-18 13:30:53,947 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 2431 transitions. [2018-11-18 13:30:53,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 13:30:53,947 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:53,986 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:53,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:53,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2427 states to 566 states and 2427 transitions. [2018-11-18 13:30:53,994 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 2427 transitions. [2018-11-18 13:30:53,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 13:30:53,994 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:54,001 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:30:54,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:54,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2428 states to 567 states and 2428 transitions. [2018-11-18 13:30:54,038 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 2428 transitions. [2018-11-18 13:30:54,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 13:30:54,039 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:54,059 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:54,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:54,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2443 states to 569 states and 2443 transitions. [2018-11-18 13:30:54,095 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 2443 transitions. [2018-11-18 13:30:54,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 13:30:54,096 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:54,137 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:54,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:54,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2445 states to 571 states and 2445 transitions. [2018-11-18 13:30:54,152 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 2445 transitions. [2018-11-18 13:30:54,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 13:30:54,153 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:54,173 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:54,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:54,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2447 states to 573 states and 2447 transitions. [2018-11-18 13:30:54,192 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 2447 transitions. [2018-11-18 13:30:54,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 13:30:54,193 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:54,200 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:30:54,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:54,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2450 states to 575 states and 2450 transitions. [2018-11-18 13:30:54,244 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 2450 transitions. [2018-11-18 13:30:54,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 13:30:54,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:54,308 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:54,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:54,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2579 states to 589 states and 2579 transitions. [2018-11-18 13:30:54,779 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 2579 transitions. [2018-11-18 13:30:54,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 13:30:54,779 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:54,848 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:55,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:55,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 590 states and 2585 transitions. [2018-11-18 13:30:55,006 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 2585 transitions. [2018-11-18 13:30:55,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 13:30:55,006 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:55,020 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:55,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:55,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2589 states to 592 states and 2589 transitions. [2018-11-18 13:30:55,088 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 2589 transitions. [2018-11-18 13:30:55,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 13:30:55,089 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:55,114 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:55,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:55,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2592 states to 594 states and 2592 transitions. [2018-11-18 13:30:55,123 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 2592 transitions. [2018-11-18 13:30:55,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 13:30:55,123 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:55,154 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:55,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:55,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2593 states to 595 states and 2593 transitions. [2018-11-18 13:30:55,173 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 2593 transitions. [2018-11-18 13:30:55,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 13:30:55,174 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:55,255 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:55,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:55,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 604 states and 2612 transitions. [2018-11-18 13:30:55,428 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 2612 transitions. [2018-11-18 13:30:55,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 13:30:55,428 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:55,466 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 13:30:55,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:55,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2613 states to 605 states and 2613 transitions. [2018-11-18 13:30:55,474 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 2613 transitions. [2018-11-18 13:30:55,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 13:30:55,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:55,493 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:55,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:55,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2628 states to 607 states and 2628 transitions. [2018-11-18 13:30:55,527 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 2628 transitions. [2018-11-18 13:30:55,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 13:30:55,528 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:55,555 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:55,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:55,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2630 states to 609 states and 2630 transitions. [2018-11-18 13:30:55,570 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 2630 transitions. [2018-11-18 13:30:55,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 13:30:55,571 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:55,591 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:55,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:55,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 611 states and 2632 transitions. [2018-11-18 13:30:55,608 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 2632 transitions. [2018-11-18 13:30:55,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 13:30:55,608 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:55,615 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:30:55,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:55,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2635 states to 613 states and 2635 transitions. [2018-11-18 13:30:55,657 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 2635 transitions. [2018-11-18 13:30:55,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 13:30:55,658 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:55,665 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:30:55,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:55,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2638 states to 615 states and 2638 transitions. [2018-11-18 13:30:55,711 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 2638 transitions. [2018-11-18 13:30:55,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 13:30:55,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:55,768 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:56,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:56,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2757 states to 624 states and 2757 transitions. [2018-11-18 13:30:56,253 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 2757 transitions. [2018-11-18 13:30:56,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 13:30:56,253 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:56,341 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:56,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:56,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2815 states to 639 states and 2815 transitions. [2018-11-18 13:30:56,939 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 2815 transitions. [2018-11-18 13:30:56,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 13:30:56,939 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:56,965 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:56,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:56,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2809 states to 639 states and 2809 transitions. [2018-11-18 13:30:56,974 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 2809 transitions. [2018-11-18 13:30:56,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 13:30:56,974 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:56,995 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:57,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:57,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 643 states and 2819 transitions. [2018-11-18 13:30:57,233 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 2819 transitions. [2018-11-18 13:30:57,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 13:30:57,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:57,276 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:57,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:57,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 645 states and 2820 transitions. [2018-11-18 13:30:57,334 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 2820 transitions. [2018-11-18 13:30:57,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 13:30:57,335 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:57,368 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:30:57,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:57,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 646 states and 2820 transitions. [2018-11-18 13:30:57,376 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 2820 transitions. [2018-11-18 13:30:57,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 13:30:57,376 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:57,409 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 13:30:57,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:57,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 647 states and 2824 transitions. [2018-11-18 13:30:57,419 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 2824 transitions. [2018-11-18 13:30:57,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 13:30:57,419 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:57,438 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:57,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:57,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 649 states and 2839 transitions. [2018-11-18 13:30:57,473 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 2839 transitions. [2018-11-18 13:30:57,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 13:30:57,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:57,500 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:57,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:57,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 651 states and 2841 transitions. [2018-11-18 13:30:57,516 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 2841 transitions. [2018-11-18 13:30:57,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 13:30:57,517 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:57,550 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:57,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:57,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 653 states and 2843 transitions. [2018-11-18 13:30:57,569 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 2843 transitions. [2018-11-18 13:30:57,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 13:30:57,570 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:57,577 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:30:57,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:57,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 655 states and 2846 transitions. [2018-11-18 13:30:57,621 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 2846 transitions. [2018-11-18 13:30:57,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 13:30:57,621 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:57,630 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:30:57,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:57,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2849 states to 657 states and 2849 transitions. [2018-11-18 13:30:57,668 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 2849 transitions. [2018-11-18 13:30:57,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 13:30:57,669 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:57,677 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:30:57,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:57,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2845 states to 657 states and 2845 transitions. [2018-11-18 13:30:57,740 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 2845 transitions. [2018-11-18 13:30:57,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 13:30:57,740 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:57,749 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:57,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:57,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 660 states and 2853 transitions. [2018-11-18 13:30:57,767 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 2853 transitions. [2018-11-18 13:30:57,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 13:30:57,767 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:57,793 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:30:57,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:57,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 660 states and 2852 transitions. [2018-11-18 13:30:57,850 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 2852 transitions. [2018-11-18 13:30:57,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 13:30:57,850 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:57,907 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:57,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:57,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 662 states and 2853 transitions. [2018-11-18 13:30:57,957 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 2853 transitions. [2018-11-18 13:30:57,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 13:30:57,957 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:57,982 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:57,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:57,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2855 states to 664 states and 2855 transitions. [2018-11-18 13:30:57,994 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 2855 transitions. [2018-11-18 13:30:57,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 13:30:57,994 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:58,043 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:58,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:58,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2865 states to 668 states and 2865 transitions. [2018-11-18 13:30:58,295 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 2865 transitions. [2018-11-18 13:30:58,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 13:30:58,296 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:58,315 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:58,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:58,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2880 states to 670 states and 2880 transitions. [2018-11-18 13:30:58,351 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 2880 transitions. [2018-11-18 13:30:58,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 13:30:58,352 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:58,376 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:58,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:58,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 672 states and 2882 transitions. [2018-11-18 13:30:58,394 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 2882 transitions. [2018-11-18 13:30:58,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 13:30:58,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:58,413 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:58,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:58,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2884 states to 674 states and 2884 transitions. [2018-11-18 13:30:58,433 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 2884 transitions. [2018-11-18 13:30:58,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 13:30:58,434 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:58,445 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:30:58,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:58,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2887 states to 676 states and 2887 transitions. [2018-11-18 13:30:58,498 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 2887 transitions. [2018-11-18 13:30:58,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 13:30:58,499 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:58,506 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:30:58,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:58,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2890 states to 678 states and 2890 transitions. [2018-11-18 13:30:58,544 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 2890 transitions. [2018-11-18 13:30:58,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 13:30:58,545 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:58,551 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:30:58,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:58,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2886 states to 678 states and 2886 transitions. [2018-11-18 13:30:58,579 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 2886 transitions. [2018-11-18 13:30:58,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 13:30:58,579 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:58,586 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:58,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:58,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 683 states and 2899 transitions. [2018-11-18 13:30:58,666 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 2899 transitions. [2018-11-18 13:30:58,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 13:30:58,667 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:58,677 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:58,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:58,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 685 states and 2902 transitions. [2018-11-18 13:30:58,788 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 2902 transitions. [2018-11-18 13:30:58,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 13:30:58,789 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:58,813 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:30:58,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:58,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 685 states and 2901 transitions. [2018-11-18 13:30:58,937 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 2901 transitions. [2018-11-18 13:30:58,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 13:30:58,937 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:58,994 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:59,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:59,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 687 states and 2902 transitions. [2018-11-18 13:30:59,059 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 2902 transitions. [2018-11-18 13:30:59,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 13:30:59,060 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:59,083 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:59,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:59,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 689 states and 2905 transitions. [2018-11-18 13:30:59,094 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 2905 transitions. [2018-11-18 13:30:59,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 13:30:59,094 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:59,112 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:59,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:59,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2906 states to 690 states and 2906 transitions. [2018-11-18 13:30:59,131 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 2906 transitions. [2018-11-18 13:30:59,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 13:30:59,132 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:59,189 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:59,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:59,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 692 states and 2908 transitions. [2018-11-18 13:30:59,198 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 2908 transitions. [2018-11-18 13:30:59,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 13:30:59,198 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:59,206 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:59,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:59,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 695 states and 2914 transitions. [2018-11-18 13:30:59,283 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 2914 transitions. [2018-11-18 13:30:59,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 13:30:59,283 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:59,293 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:30:59,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:59,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3025 states to 710 states and 3025 transitions. [2018-11-18 13:30:59,592 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 3025 transitions. [2018-11-18 13:30:59,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 13:30:59,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:59,610 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:59,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:59,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 712 states and 3041 transitions. [2018-11-18 13:30:59,645 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 3041 transitions. [2018-11-18 13:30:59,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 13:30:59,646 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:59,672 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:59,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:59,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3043 states to 714 states and 3043 transitions. [2018-11-18 13:30:59,691 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 3043 transitions. [2018-11-18 13:30:59,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 13:30:59,691 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:59,715 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:30:59,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:59,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3045 states to 716 states and 3045 transitions. [2018-11-18 13:30:59,735 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 3045 transitions. [2018-11-18 13:30:59,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 13:30:59,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:59,743 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:30:59,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:59,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3048 states to 718 states and 3048 transitions. [2018-11-18 13:30:59,789 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 3048 transitions. [2018-11-18 13:30:59,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 13:30:59,790 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:59,797 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:30:59,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:59,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3051 states to 720 states and 3051 transitions. [2018-11-18 13:30:59,843 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 3051 transitions. [2018-11-18 13:30:59,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 13:30:59,844 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:59,851 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:30:59,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:59,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3047 states to 720 states and 3047 transitions. [2018-11-18 13:30:59,884 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 3047 transitions. [2018-11-18 13:30:59,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 13:30:59,884 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:59,892 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:00,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:00,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3100 states to 731 states and 3100 transitions. [2018-11-18 13:31:00,628 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 3100 transitions. [2018-11-18 13:31:00,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 13:31:00,629 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:00,636 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:00,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:00,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 733 states and 3104 transitions. [2018-11-18 13:31:00,778 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 3104 transitions. [2018-11-18 13:31:00,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 13:31:00,778 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:00,804 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:00,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:00,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3103 states to 733 states and 3103 transitions. [2018-11-18 13:31:00,876 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 3103 transitions. [2018-11-18 13:31:00,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 13:31:00,876 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:00,940 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:00,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:00,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 735 states and 3106 transitions. [2018-11-18 13:31:00,952 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 3106 transitions. [2018-11-18 13:31:00,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 13:31:00,952 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:00,974 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:00,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:00,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 736 states and 3106 transitions. [2018-11-18 13:31:00,988 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 3106 transitions. [2018-11-18 13:31:00,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 13:31:00,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:01,041 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:01,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:01,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3107 states to 737 states and 3107 transitions. [2018-11-18 13:31:01,076 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 3107 transitions. [2018-11-18 13:31:01,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 13:31:01,076 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:01,083 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 13:31:01,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:01,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3110 states to 739 states and 3110 transitions. [2018-11-18 13:31:01,094 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 3110 transitions. [2018-11-18 13:31:01,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 13:31:01,095 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:01,102 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 13:31:01,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:01,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3116 states to 742 states and 3116 transitions. [2018-11-18 13:31:01,134 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 3116 transitions. [2018-11-18 13:31:01,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 13:31:01,135 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:01,168 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 13:31:01,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:01,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 744 states and 3117 transitions. [2018-11-18 13:31:01,179 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 3117 transitions. [2018-11-18 13:31:01,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 13:31:01,179 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:01,198 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:01,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:01,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 746 states and 3133 transitions. [2018-11-18 13:31:01,235 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 3133 transitions. [2018-11-18 13:31:01,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 13:31:01,235 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:01,261 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:01,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:01,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3135 states to 748 states and 3135 transitions. [2018-11-18 13:31:01,280 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 3135 transitions. [2018-11-18 13:31:01,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 13:31:01,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:01,299 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:01,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:01,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3137 states to 750 states and 3137 transitions. [2018-11-18 13:31:01,320 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 3137 transitions. [2018-11-18 13:31:01,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 13:31:01,321 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:01,328 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:01,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:01,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 752 states and 3140 transitions. [2018-11-18 13:31:01,373 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 3140 transitions. [2018-11-18 13:31:01,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 13:31:01,373 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:01,381 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:01,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:01,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3143 states to 754 states and 3143 transitions. [2018-11-18 13:31:01,422 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 3143 transitions. [2018-11-18 13:31:01,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 13:31:01,423 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:01,429 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:01,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:01,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3139 states to 754 states and 3139 transitions. [2018-11-18 13:31:01,460 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 3139 transitions. [2018-11-18 13:31:01,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 13:31:01,460 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:01,469 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:01,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:01,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3141 states to 756 states and 3141 transitions. [2018-11-18 13:31:01,495 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 3141 transitions. [2018-11-18 13:31:01,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 13:31:01,496 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:01,502 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 13:31:01,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:01,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3145 states to 758 states and 3145 transitions. [2018-11-18 13:31:01,514 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 3145 transitions. [2018-11-18 13:31:01,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 13:31:01,514 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:01,560 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:01,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:01,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3145 states to 759 states and 3145 transitions. [2018-11-18 13:31:01,573 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 3145 transitions. [2018-11-18 13:31:01,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 13:31:01,573 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:01,581 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:01,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:01,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3146 states to 760 states and 3146 transitions. [2018-11-18 13:31:01,597 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 3146 transitions. [2018-11-18 13:31:01,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 13:31:01,597 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:01,607 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 13:31:01,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:01,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3149 states to 762 states and 3149 transitions. [2018-11-18 13:31:01,624 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 3149 transitions. [2018-11-18 13:31:01,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 13:31:01,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:01,631 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:01,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:01,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3152 states to 764 states and 3152 transitions. [2018-11-18 13:31:01,735 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 3152 transitions. [2018-11-18 13:31:01,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 13:31:01,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:01,766 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 13:31:01,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:01,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3153 states to 766 states and 3153 transitions. [2018-11-18 13:31:01,777 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 3153 transitions. [2018-11-18 13:31:01,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 13:31:01,777 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:01,796 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:01,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:01,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3169 states to 768 states and 3169 transitions. [2018-11-18 13:31:01,833 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 3169 transitions. [2018-11-18 13:31:01,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 13:31:01,834 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:01,858 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:01,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:01,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3171 states to 770 states and 3171 transitions. [2018-11-18 13:31:01,878 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 3171 transitions. [2018-11-18 13:31:01,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 13:31:01,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:01,897 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:01,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:01,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3173 states to 772 states and 3173 transitions. [2018-11-18 13:31:01,919 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 3173 transitions. [2018-11-18 13:31:01,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 13:31:01,919 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:01,927 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:01,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:01,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3176 states to 774 states and 3176 transitions. [2018-11-18 13:31:01,972 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 3176 transitions. [2018-11-18 13:31:01,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 13:31:01,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:01,981 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:02,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:02,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3179 states to 776 states and 3179 transitions. [2018-11-18 13:31:02,025 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 3179 transitions. [2018-11-18 13:31:02,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 13:31:02,025 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:02,032 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:02,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:02,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3175 states to 776 states and 3175 transitions. [2018-11-18 13:31:02,061 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 3175 transitions. [2018-11-18 13:31:02,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 13:31:02,061 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:02,068 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:02,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:02,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 778 states and 3177 transitions. [2018-11-18 13:31:02,095 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 3177 transitions. [2018-11-18 13:31:02,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 13:31:02,096 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:02,139 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:02,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:02,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3176 states to 778 states and 3176 transitions. [2018-11-18 13:31:02,288 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 3176 transitions. [2018-11-18 13:31:02,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 13:31:02,289 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:02,297 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 13:31:02,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:02,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3180 states to 780 states and 3180 transitions. [2018-11-18 13:31:02,309 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 3180 transitions. [2018-11-18 13:31:02,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 13:31:02,309 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:02,316 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 13:31:02,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:02,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3181 states to 781 states and 3181 transitions. [2018-11-18 13:31:02,328 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 3181 transitions. [2018-11-18 13:31:02,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 13:31:02,328 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:02,335 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 13:31:02,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:02,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3182 states to 782 states and 3182 transitions. [2018-11-18 13:31:02,355 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 3182 transitions. [2018-11-18 13:31:02,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 13:31:02,355 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:02,362 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:02,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:02,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 784 states and 3184 transitions. [2018-11-18 13:31:02,391 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 3184 transitions. [2018-11-18 13:31:02,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 13:31:02,392 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:02,423 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 13:31:02,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:02,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3185 states to 786 states and 3185 transitions. [2018-11-18 13:31:02,434 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 3185 transitions. [2018-11-18 13:31:02,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 13:31:02,435 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:02,454 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:02,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:02,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3201 states to 788 states and 3201 transitions. [2018-11-18 13:31:02,494 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 3201 transitions. [2018-11-18 13:31:02,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 13:31:02,494 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:02,522 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:02,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:02,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3203 states to 790 states and 3203 transitions. [2018-11-18 13:31:02,542 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 3203 transitions. [2018-11-18 13:31:02,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 13:31:02,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:02,563 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:02,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:02,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 792 states and 3205 transitions. [2018-11-18 13:31:02,585 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 3205 transitions. [2018-11-18 13:31:02,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 13:31:02,586 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:02,593 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:02,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:02,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 794 states and 3208 transitions. [2018-11-18 13:31:02,638 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 3208 transitions. [2018-11-18 13:31:02,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 13:31:02,639 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:02,646 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:02,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:02,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3211 states to 796 states and 3211 transitions. [2018-11-18 13:31:02,685 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 3211 transitions. [2018-11-18 13:31:02,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 13:31:02,686 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:02,693 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:02,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:02,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 796 states and 3207 transitions. [2018-11-18 13:31:02,721 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 3207 transitions. [2018-11-18 13:31:02,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 13:31:02,722 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:02,730 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:02,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:02,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3209 states to 798 states and 3209 transitions. [2018-11-18 13:31:02,757 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 3209 transitions. [2018-11-18 13:31:02,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 13:31:02,757 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:02,790 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:02,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:02,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 798 states and 3208 transitions. [2018-11-18 13:31:02,801 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 3208 transitions. [2018-11-18 13:31:02,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 13:31:02,802 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:02,810 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:02,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:02,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3210 states to 799 states and 3210 transitions. [2018-11-18 13:31:02,903 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 3210 transitions. [2018-11-18 13:31:02,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 13:31:02,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:02,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:02,911 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:02,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:02,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 801 states and 3213 transitions. [2018-11-18 13:31:02,941 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 3213 transitions. [2018-11-18 13:31:02,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 13:31:02,942 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:02,950 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 13:31:02,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:02,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3214 states to 802 states and 3214 transitions. [2018-11-18 13:31:02,962 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 3214 transitions. [2018-11-18 13:31:02,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 13:31:02,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:02,969 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:02,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:02,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3214 states to 803 states and 3214 transitions. [2018-11-18 13:31:02,992 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 3214 transitions. [2018-11-18 13:31:02,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 13:31:02,992 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:03,013 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 13:31:03,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:03,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3216 states to 805 states and 3216 transitions. [2018-11-18 13:31:03,023 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 3216 transitions. [2018-11-18 13:31:03,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 13:31:03,024 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:03,044 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:03,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:03,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3232 states to 807 states and 3232 transitions. [2018-11-18 13:31:03,083 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 3232 transitions. [2018-11-18 13:31:03,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 13:31:03,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:03,124 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:03,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:03,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3234 states to 809 states and 3234 transitions. [2018-11-18 13:31:03,149 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 3234 transitions. [2018-11-18 13:31:03,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 13:31:03,149 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:03,170 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:03,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:03,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3236 states to 811 states and 3236 transitions. [2018-11-18 13:31:03,192 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 3236 transitions. [2018-11-18 13:31:03,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 13:31:03,192 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:03,200 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:03,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:03,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3239 states to 813 states and 3239 transitions. [2018-11-18 13:31:03,245 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 3239 transitions. [2018-11-18 13:31:03,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 13:31:03,245 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:03,253 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:03,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:03,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3242 states to 815 states and 3242 transitions. [2018-11-18 13:31:03,292 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 3242 transitions. [2018-11-18 13:31:03,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 13:31:03,293 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:03,300 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:03,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:03,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3238 states to 815 states and 3238 transitions. [2018-11-18 13:31:03,328 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 3238 transitions. [2018-11-18 13:31:03,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 13:31:03,329 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:03,337 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:03,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:03,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3240 states to 817 states and 3240 transitions. [2018-11-18 13:31:03,363 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 3240 transitions. [2018-11-18 13:31:03,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 13:31:03,364 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:03,372 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:03,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:03,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3241 states to 818 states and 3241 transitions. [2018-11-18 13:31:03,395 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 3241 transitions. [2018-11-18 13:31:03,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 13:31:03,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:03,404 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 27 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:31:03,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:03,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3245 states to 819 states and 3245 transitions. [2018-11-18 13:31:03,563 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 3245 transitions. [2018-11-18 13:31:03,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 13:31:03,563 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:03,572 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:03,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:03,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3247 states to 820 states and 3247 transitions. [2018-11-18 13:31:03,591 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 3247 transitions. [2018-11-18 13:31:03,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 13:31:03,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:03,602 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:03,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:03,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3247 states to 821 states and 3247 transitions. [2018-11-18 13:31:03,622 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 3247 transitions. [2018-11-18 13:31:03,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 13:31:03,622 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:03,643 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 13:31:03,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:03,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3249 states to 823 states and 3249 transitions. [2018-11-18 13:31:03,653 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 3249 transitions. [2018-11-18 13:31:03,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 13:31:03,653 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:03,673 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:03,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:03,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3265 states to 825 states and 3265 transitions. [2018-11-18 13:31:03,710 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 3265 transitions. [2018-11-18 13:31:03,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 13:31:03,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:03,737 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:03,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:03,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3267 states to 827 states and 3267 transitions. [2018-11-18 13:31:03,758 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 3267 transitions. [2018-11-18 13:31:03,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 13:31:03,758 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:03,789 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:03,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:03,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3269 states to 829 states and 3269 transitions. [2018-11-18 13:31:03,811 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 3269 transitions. [2018-11-18 13:31:03,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 13:31:03,812 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:03,819 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:03,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:03,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3272 states to 831 states and 3272 transitions. [2018-11-18 13:31:03,868 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 3272 transitions. [2018-11-18 13:31:03,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 13:31:03,868 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:03,876 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:03,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:03,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3275 states to 833 states and 3275 transitions. [2018-11-18 13:31:03,920 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 3275 transitions. [2018-11-18 13:31:03,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 13:31:03,920 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:03,928 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:03,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:03,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3271 states to 833 states and 3271 transitions. [2018-11-18 13:31:03,957 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 3271 transitions. [2018-11-18 13:31:03,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 13:31:03,958 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:03,987 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:04,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:04,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3275 states to 834 states and 3275 transitions. [2018-11-18 13:31:04,273 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 3275 transitions. [2018-11-18 13:31:04,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 13:31:04,274 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:04,282 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:04,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:04,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3277 states to 836 states and 3277 transitions. [2018-11-18 13:31:04,309 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 3277 transitions. [2018-11-18 13:31:04,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 13:31:04,310 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:04,335 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:04,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:04,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3284 states to 838 states and 3284 transitions. [2018-11-18 13:31:04,501 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 3284 transitions. [2018-11-18 13:31:04,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 13:31:04,501 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:04,527 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:04,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:04,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3289 states to 840 states and 3289 transitions. [2018-11-18 13:31:04,676 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 3289 transitions. [2018-11-18 13:31:04,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 13:31:04,677 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:04,702 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:04,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:04,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3293 states to 841 states and 3293 transitions. [2018-11-18 13:31:04,852 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 3293 transitions. [2018-11-18 13:31:04,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 13:31:04,853 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:04,864 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 28 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:04,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:04,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3296 states to 842 states and 3296 transitions. [2018-11-18 13:31:04,886 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 3296 transitions. [2018-11-18 13:31:04,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 13:31:04,886 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:04,896 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:05,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:05,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3298 states to 843 states and 3298 transitions. [2018-11-18 13:31:05,125 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 3298 transitions. [2018-11-18 13:31:05,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 13:31:05,125 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:05,134 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 27 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:31:05,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:05,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3300 states to 844 states and 3300 transitions. [2018-11-18 13:31:05,153 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 3300 transitions. [2018-11-18 13:31:05,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 13:31:05,153 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:05,176 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 13:31:05,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:05,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3303 states to 846 states and 3303 transitions. [2018-11-18 13:31:05,186 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 3303 transitions. [2018-11-18 13:31:05,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 13:31:05,186 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:05,210 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 13:31:05,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:05,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3303 states to 847 states and 3303 transitions. [2018-11-18 13:31:05,221 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 3303 transitions. [2018-11-18 13:31:05,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 13:31:05,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:05,246 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:05,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:05,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3319 states to 849 states and 3319 transitions. [2018-11-18 13:31:05,285 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 3319 transitions. [2018-11-18 13:31:05,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 13:31:05,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:05,312 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:05,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:05,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3321 states to 851 states and 3321 transitions. [2018-11-18 13:31:05,333 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 3321 transitions. [2018-11-18 13:31:05,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 13:31:05,333 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:05,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:05,353 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:05,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:05,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3323 states to 853 states and 3323 transitions. [2018-11-18 13:31:05,377 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 3323 transitions. [2018-11-18 13:31:05,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 13:31:05,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:05,387 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:05,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:05,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3326 states to 855 states and 3326 transitions. [2018-11-18 13:31:05,436 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 3326 transitions. [2018-11-18 13:31:05,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 13:31:05,437 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:05,445 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:05,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:05,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3329 states to 857 states and 3329 transitions. [2018-11-18 13:31:05,490 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 3329 transitions. [2018-11-18 13:31:05,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 13:31:05,491 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:05,498 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:05,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:05,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 857 states and 3325 transitions. [2018-11-18 13:31:05,528 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 3325 transitions. [2018-11-18 13:31:05,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 13:31:05,528 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:05,536 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:05,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:05,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3327 states to 859 states and 3327 transitions. [2018-11-18 13:31:05,565 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 3327 transitions. [2018-11-18 13:31:05,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 13:31:05,565 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:05,591 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:05,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:05,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3329 states to 861 states and 3329 transitions. [2018-11-18 13:31:05,612 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 3329 transitions. [2018-11-18 13:31:05,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 13:31:05,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:05,621 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:31:05,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:05,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3330 states to 863 states and 3330 transitions. [2018-11-18 13:31:05,640 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 3330 transitions. [2018-11-18 13:31:05,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 13:31:05,641 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:05,648 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:05,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:05,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3331 states to 864 states and 3331 transitions. [2018-11-18 13:31:05,690 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 3331 transitions. [2018-11-18 13:31:05,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 13:31:05,691 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:05,733 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 13:31:05,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:05,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3331 states to 865 states and 3331 transitions. [2018-11-18 13:31:05,744 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 3331 transitions. [2018-11-18 13:31:05,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 13:31:05,744 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:05,765 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:05,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:05,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3347 states to 867 states and 3347 transitions. [2018-11-18 13:31:05,804 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 3347 transitions. [2018-11-18 13:31:05,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 13:31:05,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:05,832 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:05,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:05,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3349 states to 869 states and 3349 transitions. [2018-11-18 13:31:05,855 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 3349 transitions. [2018-11-18 13:31:05,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 13:31:05,856 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:05,896 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:05,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:05,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3351 states to 871 states and 3351 transitions. [2018-11-18 13:31:05,919 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 3351 transitions. [2018-11-18 13:31:05,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 13:31:05,920 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:05,928 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:05,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:05,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3354 states to 873 states and 3354 transitions. [2018-11-18 13:31:05,977 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 3354 transitions. [2018-11-18 13:31:05,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 13:31:05,977 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:05,986 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:06,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:06,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3357 states to 875 states and 3357 transitions. [2018-11-18 13:31:06,031 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 3357 transitions. [2018-11-18 13:31:06,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 13:31:06,032 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:06,040 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:06,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:06,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3353 states to 875 states and 3353 transitions. [2018-11-18 13:31:06,069 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 3353 transitions. [2018-11-18 13:31:06,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 13:31:06,070 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:06,078 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:06,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:06,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3355 states to 877 states and 3355 transitions. [2018-11-18 13:31:06,107 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 3355 transitions. [2018-11-18 13:31:06,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 13:31:06,107 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:06,133 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:06,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:06,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3357 states to 879 states and 3357 transitions. [2018-11-18 13:31:06,154 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 3357 transitions. [2018-11-18 13:31:06,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 13:31:06,154 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:06,162 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:06,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:06,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3358 states to 881 states and 3358 transitions. [2018-11-18 13:31:06,189 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 3358 transitions. [2018-11-18 13:31:06,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 13:31:06,190 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:06,198 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:06,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:06,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3359 states to 883 states and 3359 transitions. [2018-11-18 13:31:06,225 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 3359 transitions. [2018-11-18 13:31:06,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 13:31:06,225 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:06,234 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 29 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:31:06,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:06,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3365 states to 886 states and 3365 transitions. [2018-11-18 13:31:06,252 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 3365 transitions. [2018-11-18 13:31:06,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 13:31:06,253 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:06,260 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 13:31:06,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:06,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3366 states to 887 states and 3366 transitions. [2018-11-18 13:31:06,271 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 3366 transitions. [2018-11-18 13:31:06,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 13:31:06,271 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:06,300 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:06,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:06,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3382 states to 889 states and 3382 transitions. [2018-11-18 13:31:06,338 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 3382 transitions. [2018-11-18 13:31:06,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 13:31:06,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:06,366 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:06,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:06,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3384 states to 891 states and 3384 transitions. [2018-11-18 13:31:06,388 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 3384 transitions. [2018-11-18 13:31:06,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 13:31:06,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:06,409 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:06,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:06,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 893 states and 3386 transitions. [2018-11-18 13:31:06,433 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 3386 transitions. [2018-11-18 13:31:06,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 13:31:06,433 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:06,442 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:06,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:06,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3389 states to 895 states and 3389 transitions. [2018-11-18 13:31:06,488 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 3389 transitions. [2018-11-18 13:31:06,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 13:31:06,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:06,502 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:06,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:06,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3392 states to 897 states and 3392 transitions. [2018-11-18 13:31:06,577 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 3392 transitions. [2018-11-18 13:31:06,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 13:31:06,578 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:06,586 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:06,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:06,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 897 states and 3388 transitions. [2018-11-18 13:31:06,615 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 3388 transitions. [2018-11-18 13:31:06,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 13:31:06,616 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:06,635 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:06,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:06,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3392 states to 898 states and 3392 transitions. [2018-11-18 13:31:06,933 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 3392 transitions. [2018-11-18 13:31:06,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 13:31:06,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:06,942 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:06,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:06,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3394 states to 900 states and 3394 transitions. [2018-11-18 13:31:06,991 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 3394 transitions. [2018-11-18 13:31:06,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 13:31:06,992 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:06,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:07,017 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:07,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:07,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3396 states to 902 states and 3396 transitions. [2018-11-18 13:31:07,036 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 3396 transitions. [2018-11-18 13:31:07,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 13:31:07,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:07,055 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:07,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:07,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3408 states to 906 states and 3408 transitions. [2018-11-18 13:31:07,382 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 3408 transitions. [2018-11-18 13:31:07,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 13:31:07,382 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:07,392 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 18 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:07,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:07,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 908 states and 3409 transitions. [2018-11-18 13:31:07,418 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 3409 transitions. [2018-11-18 13:31:07,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 13:31:07,419 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:07,438 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:07,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:07,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3413 states to 909 states and 3413 transitions. [2018-11-18 13:31:07,589 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 3413 transitions. [2018-11-18 13:31:07,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 13:31:07,590 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:07,598 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 18 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:07,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:07,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3414 states to 911 states and 3414 transitions. [2018-11-18 13:31:07,617 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 3414 transitions. [2018-11-18 13:31:07,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 13:31:07,618 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:07,625 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 13:31:07,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:07,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3417 states to 913 states and 3417 transitions. [2018-11-18 13:31:07,636 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 3417 transitions. [2018-11-18 13:31:07,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 13:31:07,637 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:07,656 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 13:31:07,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:07,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3416 states to 913 states and 3416 transitions. [2018-11-18 13:31:07,787 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 3416 transitions. [2018-11-18 13:31:07,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 13:31:07,787 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:07,799 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 13:31:07,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:07,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3416 states to 914 states and 3416 transitions. [2018-11-18 13:31:07,810 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 3416 transitions. [2018-11-18 13:31:07,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 13:31:07,810 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:07,820 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 13:31:07,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:07,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3419 states to 915 states and 3419 transitions. [2018-11-18 13:31:07,836 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 3419 transitions. [2018-11-18 13:31:07,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 13:31:07,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:07,856 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:07,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:07,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3435 states to 917 states and 3435 transitions. [2018-11-18 13:31:07,895 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 3435 transitions. [2018-11-18 13:31:07,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 13:31:07,895 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:07,921 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:07,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:07,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3437 states to 919 states and 3437 transitions. [2018-11-18 13:31:07,944 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 3437 transitions. [2018-11-18 13:31:07,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 13:31:07,944 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:07,964 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:07,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:07,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3439 states to 921 states and 3439 transitions. [2018-11-18 13:31:07,988 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 3439 transitions. [2018-11-18 13:31:07,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 13:31:07,989 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:07,997 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:08,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:08,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3442 states to 923 states and 3442 transitions. [2018-11-18 13:31:08,044 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 3442 transitions. [2018-11-18 13:31:08,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 13:31:08,044 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:08,053 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:08,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:08,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3445 states to 925 states and 3445 transitions. [2018-11-18 13:31:08,094 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 3445 transitions. [2018-11-18 13:31:08,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 13:31:08,094 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:08,102 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:08,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:08,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3441 states to 925 states and 3441 transitions. [2018-11-18 13:31:08,131 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 3441 transitions. [2018-11-18 13:31:08,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 13:31:08,131 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:08,140 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:08,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:08,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3445 states to 927 states and 3445 transitions. [2018-11-18 13:31:08,301 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 3445 transitions. [2018-11-18 13:31:08,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 13:31:08,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:08,321 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:08,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:08,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3447 states to 929 states and 3447 transitions. [2018-11-18 13:31:08,349 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 3447 transitions. [2018-11-18 13:31:08,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 13:31:08,349 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:08,374 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:08,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:08,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3449 states to 931 states and 3449 transitions. [2018-11-18 13:31:08,395 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 3449 transitions. [2018-11-18 13:31:08,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 13:31:08,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:08,414 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:08,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:08,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3451 states to 933 states and 3451 transitions. [2018-11-18 13:31:08,435 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 3451 transitions. [2018-11-18 13:31:08,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 13:31:08,435 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:08,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:08,444 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:08,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:08,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3455 states to 935 states and 3455 transitions. [2018-11-18 13:31:08,623 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 3455 transitions. [2018-11-18 13:31:08,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 13:31:08,623 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:08,634 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 13:31:09,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:09,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3496 states to 944 states and 3496 transitions. [2018-11-18 13:31:09,194 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 3496 transitions. [2018-11-18 13:31:09,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 13:31:09,194 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:09,213 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 13:31:09,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:09,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3495 states to 944 states and 3495 transitions. [2018-11-18 13:31:09,293 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 3495 transitions. [2018-11-18 13:31:09,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 13:31:09,294 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:09,317 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:09,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:09,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3511 states to 946 states and 3511 transitions. [2018-11-18 13:31:09,365 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 3511 transitions. [2018-11-18 13:31:09,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 13:31:09,366 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:09,397 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:09,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:09,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3513 states to 948 states and 3513 transitions. [2018-11-18 13:31:09,427 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 3513 transitions. [2018-11-18 13:31:09,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 13:31:09,427 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:09,449 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:09,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:09,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 950 states and 3515 transitions. [2018-11-18 13:31:09,484 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 3515 transitions. [2018-11-18 13:31:09,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 13:31:09,485 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:09,497 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:09,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:09,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3518 states to 952 states and 3518 transitions. [2018-11-18 13:31:09,560 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 3518 transitions. [2018-11-18 13:31:09,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 13:31:09,561 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:09,574 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:09,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:09,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3521 states to 954 states and 3521 transitions. [2018-11-18 13:31:09,655 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 3521 transitions. [2018-11-18 13:31:09,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 13:31:09,655 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:09,663 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:09,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:09,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3517 states to 954 states and 3517 transitions. [2018-11-18 13:31:09,696 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 3517 transitions. [2018-11-18 13:31:09,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 13:31:09,696 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:09,705 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:09,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:09,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3520 states to 956 states and 3520 transitions. [2018-11-18 13:31:09,727 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 3520 transitions. [2018-11-18 13:31:09,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 13:31:09,728 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:09,750 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:09,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:09,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3522 states to 958 states and 3522 transitions. [2018-11-18 13:31:09,781 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 3522 transitions. [2018-11-18 13:31:09,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 13:31:09,781 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:09,790 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 8 proven. 34 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:09,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:09,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3529 states to 961 states and 3529 transitions. [2018-11-18 13:31:09,991 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 3529 transitions. [2018-11-18 13:31:09,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 13:31:09,992 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:10,001 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 8 proven. 34 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:10,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:10,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3538 states to 964 states and 3538 transitions. [2018-11-18 13:31:10,285 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 3538 transitions. [2018-11-18 13:31:10,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 13:31:10,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:10,298 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:10,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:10,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 966 states and 3545 transitions. [2018-11-18 13:31:10,321 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 3545 transitions. [2018-11-18 13:31:10,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 13:31:10,321 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:10,351 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:10,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:10,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3547 states to 968 states and 3547 transitions. [2018-11-18 13:31:10,372 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 3547 transitions. [2018-11-18 13:31:10,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 13:31:10,373 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:10,394 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:10,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:10,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 970 states and 3549 transitions. [2018-11-18 13:31:10,415 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 3549 transitions. [2018-11-18 13:31:10,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 13:31:10,416 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:10,425 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:10,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:10,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3553 states to 971 states and 3553 transitions. [2018-11-18 13:31:10,551 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 3553 transitions. [2018-11-18 13:31:10,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 13:31:10,552 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:10,561 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:10,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:10,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3556 states to 973 states and 3556 transitions. [2018-11-18 13:31:10,585 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 3556 transitions. [2018-11-18 13:31:10,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 13:31:10,586 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:10,599 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 8 proven. 34 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:10,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:10,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 975 states and 3565 transitions. [2018-11-18 13:31:10,803 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 3565 transitions. [2018-11-18 13:31:10,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 13:31:10,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:10,813 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:10,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:10,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3569 states to 977 states and 3569 transitions. [2018-11-18 13:31:10,833 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 3569 transitions. [2018-11-18 13:31:10,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 13:31:10,834 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:10,843 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 8 proven. 34 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:11,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:11,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3569 states to 978 states and 3569 transitions. [2018-11-18 13:31:11,031 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 3569 transitions. [2018-11-18 13:31:11,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 13:31:11,031 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:11,060 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:31:11,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:11,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3568 states to 978 states and 3568 transitions. [2018-11-18 13:31:11,225 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 3568 transitions. [2018-11-18 13:31:11,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:31:11,226 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:11,246 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:11,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:11,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3584 states to 980 states and 3584 transitions. [2018-11-18 13:31:11,285 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 3584 transitions. [2018-11-18 13:31:11,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:31:11,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:11,312 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:11,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:11,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3586 states to 982 states and 3586 transitions. [2018-11-18 13:31:11,335 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 3586 transitions. [2018-11-18 13:31:11,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:31:11,336 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:11,356 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:11,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:11,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3588 states to 984 states and 3588 transitions. [2018-11-18 13:31:11,381 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 3588 transitions. [2018-11-18 13:31:11,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:31:11,382 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:11,390 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:11,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:11,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3591 states to 986 states and 3591 transitions. [2018-11-18 13:31:11,437 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 3591 transitions. [2018-11-18 13:31:11,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:31:11,438 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:11,450 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:11,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:11,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3594 states to 988 states and 3594 transitions. [2018-11-18 13:31:11,494 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 3594 transitions. [2018-11-18 13:31:11,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:31:11,494 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:11,503 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:11,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:11,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3590 states to 988 states and 3590 transitions. [2018-11-18 13:31:11,535 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 3590 transitions. [2018-11-18 13:31:11,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:31:11,535 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:11,544 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:11,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:11,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3593 states to 990 states and 3593 transitions. [2018-11-18 13:31:11,565 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 3593 transitions. [2018-11-18 13:31:11,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:31:11,565 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:11,591 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:11,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:11,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3595 states to 992 states and 3595 transitions. [2018-11-18 13:31:11,621 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 3595 transitions. [2018-11-18 13:31:11,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:31:11,622 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:11,631 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:11,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:11,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3600 states to 994 states and 3600 transitions. [2018-11-18 13:31:11,654 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 3600 transitions. [2018-11-18 13:31:11,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:31:11,655 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:11,664 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:11,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:11,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3604 states to 996 states and 3604 transitions. [2018-11-18 13:31:11,687 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 3604 transitions. [2018-11-18 13:31:11,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:31:11,687 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:11,714 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:11,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:11,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3606 states to 998 states and 3606 transitions. [2018-11-18 13:31:11,736 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 3606 transitions. [2018-11-18 13:31:11,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:31:11,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:11,744 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:12,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:12,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3618 states to 1003 states and 3618 transitions. [2018-11-18 13:31:12,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 3618 transitions. [2018-11-18 13:31:12,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:31:12,140 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:12,173 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:12,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:12,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3624 states to 1006 states and 3624 transitions. [2018-11-18 13:31:12,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 3624 transitions. [2018-11-18 13:31:12,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:31:12,557 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:12,568 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:12,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:12,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3628 states to 1007 states and 3628 transitions. [2018-11-18 13:31:12,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 3628 transitions. [2018-11-18 13:31:12,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:31:12,806 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:12,827 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:12,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:12,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3630 states to 1009 states and 3630 transitions. [2018-11-18 13:31:12,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 3630 transitions. [2018-11-18 13:31:12,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:31:12,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:12,861 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:13,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:13,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3634 states to 1010 states and 3634 transitions. [2018-11-18 13:31:13,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 3634 transitions. [2018-11-18 13:31:13,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:31:13,095 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:13,104 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:13,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:13,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3637 states to 1012 states and 3637 transitions. [2018-11-18 13:31:13,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 3637 transitions. [2018-11-18 13:31:13,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:31:13,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:13,144 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:13,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:13,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3643 states to 1014 states and 3643 transitions. [2018-11-18 13:31:13,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 3643 transitions. [2018-11-18 13:31:13,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:31:13,171 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:13,179 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:13,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:13,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3649 states to 1016 states and 3649 transitions. [2018-11-18 13:31:13,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 3649 transitions. [2018-11-18 13:31:13,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:31:13,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:13,403 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:13,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:13,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 1017 states and 3652 transitions. [2018-11-18 13:31:13,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 3652 transitions. [2018-11-18 13:31:13,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:31:13,593 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:13,602 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:13,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:13,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3653 states to 1019 states and 3653 transitions. [2018-11-18 13:31:13,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 3653 transitions. [2018-11-18 13:31:13,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:31:13,617 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:13,626 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:14,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:14,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3697 states to 1029 states and 3697 transitions. [2018-11-18 13:31:14,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 3697 transitions. [2018-11-18 13:31:14,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:31:14,301 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:14,328 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 31 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:31:14,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:14,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3696 states to 1029 states and 3696 transitions. [2018-11-18 13:31:14,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 3696 transitions. [2018-11-18 13:31:14,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 13:31:14,421 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:14,442 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:14,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:14,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3712 states to 1031 states and 3712 transitions. [2018-11-18 13:31:14,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 3712 transitions. [2018-11-18 13:31:14,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 13:31:14,483 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:14,512 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:14,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:14,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3714 states to 1033 states and 3714 transitions. [2018-11-18 13:31:14,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 3714 transitions. [2018-11-18 13:31:14,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 13:31:14,538 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:14,559 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:14,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:14,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3716 states to 1035 states and 3716 transitions. [2018-11-18 13:31:14,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 3716 transitions. [2018-11-18 13:31:14,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 13:31:14,587 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:14,595 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:14,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:14,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3719 states to 1037 states and 3719 transitions. [2018-11-18 13:31:14,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 3719 transitions. [2018-11-18 13:31:14,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 13:31:14,647 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:14,656 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:14,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:14,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3722 states to 1039 states and 3722 transitions. [2018-11-18 13:31:14,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 3722 transitions. [2018-11-18 13:31:14,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 13:31:14,701 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:14,709 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:14,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:14,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3718 states to 1039 states and 3718 transitions. [2018-11-18 13:31:14,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 3718 transitions. [2018-11-18 13:31:14,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 13:31:14,742 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:14,751 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:14,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:14,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3721 states to 1041 states and 3721 transitions. [2018-11-18 13:31:14,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 3721 transitions. [2018-11-18 13:31:14,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 13:31:14,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:14,795 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:14,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:14,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3723 states to 1043 states and 3723 transitions. [2018-11-18 13:31:14,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 3723 transitions. [2018-11-18 13:31:14,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 13:31:14,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:14,846 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:14,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:14,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3728 states to 1045 states and 3728 transitions. [2018-11-18 13:31:14,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 3728 transitions. [2018-11-18 13:31:14,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 13:31:14,871 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:14,899 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:14,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:14,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3730 states to 1047 states and 3730 transitions. [2018-11-18 13:31:14,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 3730 transitions. [2018-11-18 13:31:14,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 13:31:14,923 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:14,931 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:14,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:14,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 1049 states and 3732 transitions. [2018-11-18 13:31:14,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 3732 transitions. [2018-11-18 13:31:14,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 13:31:14,947 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:14,969 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:14,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:14,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3734 states to 1051 states and 3734 transitions. [2018-11-18 13:31:14,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 3734 transitions. [2018-11-18 13:31:14,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 13:31:14,995 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:15,008 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:15,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:15,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3737 states to 1053 states and 3737 transitions. [2018-11-18 13:31:15,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 3737 transitions. [2018-11-18 13:31:15,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 13:31:15,048 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:15,086 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:15,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:15,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 1055 states and 3743 transitions. [2018-11-18 13:31:15,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 3743 transitions. [2018-11-18 13:31:15,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 13:31:15,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:15,137 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:15,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:15,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3745 states to 1057 states and 3745 transitions. [2018-11-18 13:31:15,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 3745 transitions. [2018-11-18 13:31:15,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 13:31:15,157 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:15,166 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:15,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:15,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3749 states to 1059 states and 3749 transitions. [2018-11-18 13:31:15,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 3749 transitions. [2018-11-18 13:31:15,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 13:31:15,189 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:15,197 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 13:31:15,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:15,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3750 states to 1061 states and 3750 transitions. [2018-11-18 13:31:15,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 3750 transitions. [2018-11-18 13:31:15,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 13:31:15,213 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:15,220 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:15,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:15,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3752 states to 1063 states and 3752 transitions. [2018-11-18 13:31:15,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 3752 transitions. [2018-11-18 13:31:15,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 13:31:15,237 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:15,248 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 13:31:15,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:15,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3753 states to 1065 states and 3753 transitions. [2018-11-18 13:31:15,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 3753 transitions. [2018-11-18 13:31:15,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 13:31:15,274 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:15,282 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 13:31:15,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:15,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3756 states to 1066 states and 3756 transitions. [2018-11-18 13:31:15,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 3756 transitions. [2018-11-18 13:31:15,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 13:31:15,468 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:15,478 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 37 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:15,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:15,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3757 states to 1067 states and 3757 transitions. [2018-11-18 13:31:15,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 3757 transitions. [2018-11-18 13:31:15,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:31:15,496 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:15,516 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:15,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:15,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3773 states to 1069 states and 3773 transitions. [2018-11-18 13:31:15,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 3773 transitions. [2018-11-18 13:31:15,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:31:15,557 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:15,585 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:15,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:15,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3775 states to 1071 states and 3775 transitions. [2018-11-18 13:31:15,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 3775 transitions. [2018-11-18 13:31:15,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:31:15,611 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:15,632 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:15,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:15,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3777 states to 1073 states and 3777 transitions. [2018-11-18 13:31:15,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 3777 transitions. [2018-11-18 13:31:15,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:31:15,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:15,670 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:15,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:15,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3780 states to 1075 states and 3780 transitions. [2018-11-18 13:31:15,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 3780 transitions. [2018-11-18 13:31:15,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:31:15,721 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:15,730 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:15,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:15,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3783 states to 1077 states and 3783 transitions. [2018-11-18 13:31:15,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 3783 transitions. [2018-11-18 13:31:15,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:31:15,775 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:15,783 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:15,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:15,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3779 states to 1077 states and 3779 transitions. [2018-11-18 13:31:15,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 3779 transitions. [2018-11-18 13:31:15,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:31:15,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:15,825 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:15,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:15,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3782 states to 1079 states and 3782 transitions. [2018-11-18 13:31:15,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 3782 transitions. [2018-11-18 13:31:15,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:31:15,848 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:15,893 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:15,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:15,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3784 states to 1081 states and 3784 transitions. [2018-11-18 13:31:15,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 3784 transitions. [2018-11-18 13:31:15,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:31:15,932 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:15,942 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:15,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:15,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3789 states to 1083 states and 3789 transitions. [2018-11-18 13:31:15,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 3789 transitions. [2018-11-18 13:31:15,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:31:15,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:15,996 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:16,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:16,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3791 states to 1085 states and 3791 transitions. [2018-11-18 13:31:16,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 3791 transitions. [2018-11-18 13:31:16,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:31:16,021 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:16,029 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:16,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:16,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3793 states to 1087 states and 3793 transitions. [2018-11-18 13:31:16,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 3793 transitions. [2018-11-18 13:31:16,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:31:16,047 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:16,079 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:16,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:16,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3795 states to 1089 states and 3795 transitions. [2018-11-18 13:31:16,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 3795 transitions. [2018-11-18 13:31:16,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:31:16,105 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:16,114 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:16,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:16,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3798 states to 1091 states and 3798 transitions. [2018-11-18 13:31:16,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 3798 transitions. [2018-11-18 13:31:16,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:31:16,141 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:16,150 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:16,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:16,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3804 states to 1093 states and 3804 transitions. [2018-11-18 13:31:16,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 3804 transitions. [2018-11-18 13:31:16,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:31:16,187 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:16,198 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:16,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:16,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3806 states to 1095 states and 3806 transitions. [2018-11-18 13:31:16,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 3806 transitions. [2018-11-18 13:31:16,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:31:16,218 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:16,228 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 13:31:16,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:16,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3807 states to 1097 states and 3807 transitions. [2018-11-18 13:31:16,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 3807 transitions. [2018-11-18 13:31:16,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:31:16,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:16,253 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 13:31:16,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:16,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3808 states to 1099 states and 3808 transitions. [2018-11-18 13:31:16,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 3808 transitions. [2018-11-18 13:31:16,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:31:16,292 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:16,301 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 13:31:16,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:16,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3809 states to 1101 states and 3809 transitions. [2018-11-18 13:31:16,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 3809 transitions. [2018-11-18 13:31:16,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:31:16,318 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:16,328 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:16,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:16,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3813 states to 1103 states and 3813 transitions. [2018-11-18 13:31:16,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 3813 transitions. [2018-11-18 13:31:16,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:31:16,358 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:16,366 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:16,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:16,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3815 states to 1105 states and 3815 transitions. [2018-11-18 13:31:16,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 3815 transitions. [2018-11-18 13:31:16,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:31:16,387 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:16,410 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 35 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:31:16,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:16,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3814 states to 1105 states and 3814 transitions. [2018-11-18 13:31:16,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 3814 transitions. [2018-11-18 13:31:16,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:31:16,603 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:16,610 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 13:31:16,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:16,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3813 states to 1105 states and 3813 transitions. [2018-11-18 13:31:16,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 3813 transitions. [2018-11-18 13:31:16,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:31:16,632 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:16,645 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 10 proven. 38 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 13:31:16,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:16,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3813 states to 1106 states and 3813 transitions. [2018-11-18 13:31:16,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 3813 transitions. [2018-11-18 13:31:16,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:31:16,673 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:16,684 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 37 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:16,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:16,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3815 states to 1107 states and 3815 transitions. [2018-11-18 13:31:16,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 3815 transitions. [2018-11-18 13:31:16,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:31:16,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:16,741 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:16,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:16,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 1109 states and 3831 transitions. [2018-11-18 13:31:16,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 3831 transitions. [2018-11-18 13:31:16,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:31:16,782 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:16,810 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:16,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:16,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3833 states to 1111 states and 3833 transitions. [2018-11-18 13:31:16,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 3833 transitions. [2018-11-18 13:31:16,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:31:16,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:16,857 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:16,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:16,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3835 states to 1113 states and 3835 transitions. [2018-11-18 13:31:16,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 3835 transitions. [2018-11-18 13:31:16,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:31:16,885 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:16,895 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:16,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:16,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 1115 states and 3838 transitions. [2018-11-18 13:31:16,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 3838 transitions. [2018-11-18 13:31:16,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:31:16,948 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:16,958 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:17,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:17,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3841 states to 1117 states and 3841 transitions. [2018-11-18 13:31:17,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 3841 transitions. [2018-11-18 13:31:17,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:31:17,002 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:17,011 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:17,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:17,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 1117 states and 3837 transitions. [2018-11-18 13:31:17,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 3837 transitions. [2018-11-18 13:31:17,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:31:17,044 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:17,053 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:17,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:17,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3840 states to 1119 states and 3840 transitions. [2018-11-18 13:31:17,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 3840 transitions. [2018-11-18 13:31:17,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:31:17,080 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:17,096 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:17,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:17,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3842 states to 1121 states and 3842 transitions. [2018-11-18 13:31:17,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 3842 transitions. [2018-11-18 13:31:17,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:31:17,127 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:17,137 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:17,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:17,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3847 states to 1123 states and 3847 transitions. [2018-11-18 13:31:17,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 3847 transitions. [2018-11-18 13:31:17,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:31:17,161 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:17,213 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:17,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:17,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3849 states to 1125 states and 3849 transitions. [2018-11-18 13:31:17,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 3849 transitions. [2018-11-18 13:31:17,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:31:17,242 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:17,250 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:17,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:17,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3851 states to 1127 states and 3851 transitions. [2018-11-18 13:31:17,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 3851 transitions. [2018-11-18 13:31:17,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:31:17,266 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:17,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:17,287 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:17,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:17,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3853 states to 1129 states and 3853 transitions. [2018-11-18 13:31:17,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 3853 transitions. [2018-11-18 13:31:17,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:31:17,312 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:17,321 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:17,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:17,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3856 states to 1131 states and 3856 transitions. [2018-11-18 13:31:17,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 3856 transitions. [2018-11-18 13:31:17,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:31:17,351 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:17,360 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:17,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:17,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 1133 states and 3862 transitions. [2018-11-18 13:31:17,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 3862 transitions. [2018-11-18 13:31:17,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:31:17,392 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:17,400 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:17,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:17,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 1135 states and 3864 transitions. [2018-11-18 13:31:17,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 3864 transitions. [2018-11-18 13:31:17,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:31:17,422 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:17,432 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:17,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:17,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3868 states to 1137 states and 3868 transitions. [2018-11-18 13:31:17,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 3868 transitions. [2018-11-18 13:31:17,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:31:17,459 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:17,467 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:17,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:17,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3870 states to 1139 states and 3870 transitions. [2018-11-18 13:31:17,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 3870 transitions. [2018-11-18 13:31:17,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:31:17,487 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:17,510 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 37 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:31:17,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:17,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3869 states to 1139 states and 3869 transitions. [2018-11-18 13:31:17,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 3869 transitions. [2018-11-18 13:31:17,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 13:31:17,526 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:17,551 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:17,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:17,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3885 states to 1141 states and 3885 transitions. [2018-11-18 13:31:17,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 3885 transitions. [2018-11-18 13:31:17,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 13:31:17,593 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:17,620 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:17,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:17,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3887 states to 1143 states and 3887 transitions. [2018-11-18 13:31:17,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 3887 transitions. [2018-11-18 13:31:17,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 13:31:17,645 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:17,666 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:17,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:17,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3889 states to 1145 states and 3889 transitions. [2018-11-18 13:31:17,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 3889 transitions. [2018-11-18 13:31:17,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 13:31:17,694 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:17,702 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:17,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:17,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3892 states to 1147 states and 3892 transitions. [2018-11-18 13:31:17,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 3892 transitions. [2018-11-18 13:31:17,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 13:31:17,751 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:17,761 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:17,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:17,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3895 states to 1149 states and 3895 transitions. [2018-11-18 13:31:17,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 3895 transitions. [2018-11-18 13:31:17,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 13:31:17,803 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:17,812 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:17,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:17,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3891 states to 1149 states and 3891 transitions. [2018-11-18 13:31:17,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 3891 transitions. [2018-11-18 13:31:17,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 13:31:17,843 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:17,853 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:17,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:17,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3894 states to 1151 states and 3894 transitions. [2018-11-18 13:31:17,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 3894 transitions. [2018-11-18 13:31:17,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 13:31:17,878 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:17,887 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:17,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:17,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3898 states to 1153 states and 3898 transitions. [2018-11-18 13:31:17,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 3898 transitions. [2018-11-18 13:31:17,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 13:31:17,911 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:17,934 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:17,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:17,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3900 states to 1155 states and 3900 transitions. [2018-11-18 13:31:17,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 3900 transitions. [2018-11-18 13:31:17,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 13:31:17,964 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:17,973 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:17,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:17,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3902 states to 1157 states and 3902 transitions. [2018-11-18 13:31:17,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 3902 transitions. [2018-11-18 13:31:17,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 13:31:17,990 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:17,999 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:18,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:18,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3907 states to 1159 states and 3907 transitions. [2018-11-18 13:31:18,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 3907 transitions. [2018-11-18 13:31:18,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 13:31:18,023 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:18,049 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:18,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:18,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3909 states to 1161 states and 3909 transitions. [2018-11-18 13:31:18,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 3909 transitions. [2018-11-18 13:31:18,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 13:31:18,074 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:18,083 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:18,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:18,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3911 states to 1163 states and 3911 transitions. [2018-11-18 13:31:18,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 3911 transitions. [2018-11-18 13:31:18,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 13:31:18,099 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:18,120 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:18,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:18,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3913 states to 1165 states and 3913 transitions. [2018-11-18 13:31:18,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 3913 transitions. [2018-11-18 13:31:18,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 13:31:18,146 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:18,155 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:18,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:18,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3916 states to 1167 states and 3916 transitions. [2018-11-18 13:31:18,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 3916 transitions. [2018-11-18 13:31:18,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 13:31:18,181 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:18,191 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:18,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:18,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3922 states to 1169 states and 3922 transitions. [2018-11-18 13:31:18,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 3922 transitions. [2018-11-18 13:31:18,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 13:31:18,219 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:18,227 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:18,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:18,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3924 states to 1171 states and 3924 transitions. [2018-11-18 13:31:18,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 3924 transitions. [2018-11-18 13:31:18,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 13:31:18,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:18,267 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 44 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 13:31:18,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:18,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3923 states to 1171 states and 3923 transitions. [2018-11-18 13:31:18,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 3923 transitions. [2018-11-18 13:31:18,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 13:31:18,443 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:18,453 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:31:18,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:18,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3926 states to 1172 states and 3926 transitions. [2018-11-18 13:31:18,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 3926 transitions. [2018-11-18 13:31:18,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 13:31:18,654 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:18,672 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 13:31:18,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:18,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3925 states to 1172 states and 3925 transitions. [2018-11-18 13:31:18,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 3925 transitions. [2018-11-18 13:31:18,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 13:31:18,686 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:18,699 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 13:31:18,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:18,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3926 states to 1174 states and 3926 transitions. [2018-11-18 13:31:18,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 3926 transitions. [2018-11-18 13:31:18,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 13:31:18,715 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:18,726 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 13:31:18,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:18,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3927 states to 1175 states and 3927 transitions. [2018-11-18 13:31:18,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 3927 transitions. [2018-11-18 13:31:18,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:31:18,739 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:18,767 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:18,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:18,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3943 states to 1177 states and 3943 transitions. [2018-11-18 13:31:18,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 3943 transitions. [2018-11-18 13:31:18,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:31:18,810 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:18,844 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:18,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:18,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3945 states to 1179 states and 3945 transitions. [2018-11-18 13:31:18,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 3945 transitions. [2018-11-18 13:31:18,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:31:18,874 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:18,896 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:18,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:18,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 1181 states and 3947 transitions. [2018-11-18 13:31:18,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 3947 transitions. [2018-11-18 13:31:18,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:31:18,930 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:18,940 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:18,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:18,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3950 states to 1183 states and 3950 transitions. [2018-11-18 13:31:18,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 3950 transitions. [2018-11-18 13:31:18,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:31:18,992 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:19,002 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:19,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:19,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3953 states to 1185 states and 3953 transitions. [2018-11-18 13:31:19,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 3953 transitions. [2018-11-18 13:31:19,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:31:19,049 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:19,059 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:19,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:19,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3949 states to 1185 states and 3949 transitions. [2018-11-18 13:31:19,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 3949 transitions. [2018-11-18 13:31:19,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:31:19,092 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:19,101 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:19,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:19,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 1187 states and 3952 transitions. [2018-11-18 13:31:19,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 3952 transitions. [2018-11-18 13:31:19,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:31:19,126 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:19,136 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:19,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:19,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3956 states to 1189 states and 3956 transitions. [2018-11-18 13:31:19,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 3956 transitions. [2018-11-18 13:31:19,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:31:19,161 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:19,192 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:19,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:19,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3958 states to 1191 states and 3958 transitions. [2018-11-18 13:31:19,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 3958 transitions. [2018-11-18 13:31:19,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:31:19,224 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:19,232 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:19,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:19,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3960 states to 1193 states and 3960 transitions. [2018-11-18 13:31:19,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 3960 transitions. [2018-11-18 13:31:19,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:31:19,250 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:19,260 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:19,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:19,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3965 states to 1195 states and 3965 transitions. [2018-11-18 13:31:19,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 3965 transitions. [2018-11-18 13:31:19,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:31:19,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:19,333 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:19,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:19,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3967 states to 1197 states and 3967 transitions. [2018-11-18 13:31:19,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 3967 transitions. [2018-11-18 13:31:19,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:31:19,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:19,393 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:19,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:19,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3969 states to 1199 states and 3969 transitions. [2018-11-18 13:31:19,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 3969 transitions. [2018-11-18 13:31:19,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:31:19,409 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:19,430 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:19,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:19,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3971 states to 1201 states and 3971 transitions. [2018-11-18 13:31:19,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 3971 transitions. [2018-11-18 13:31:19,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:31:19,460 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:19,470 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:19,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:19,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3974 states to 1203 states and 3974 transitions. [2018-11-18 13:31:19,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 3974 transitions. [2018-11-18 13:31:19,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:31:19,498 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:19,508 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:19,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:19,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3980 states to 1205 states and 3980 transitions. [2018-11-18 13:31:19,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 3980 transitions. [2018-11-18 13:31:19,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:31:19,541 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:19,549 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:19,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:19,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3982 states to 1207 states and 3982 transitions. [2018-11-18 13:31:19,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 3982 transitions. [2018-11-18 13:31:19,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:31:19,572 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:19,594 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 13:31:19,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:19,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3981 states to 1207 states and 3981 transitions. [2018-11-18 13:31:19,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 3981 transitions. [2018-11-18 13:31:19,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:31:19,614 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:19,642 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 39 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:31:19,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:19,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3974 states to 1205 states and 3974 transitions. [2018-11-18 13:31:19,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 3974 transitions. [2018-11-18 13:31:19,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:31:19,659 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:19,669 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 10 proven. 41 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 13:31:19,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:19,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3976 states to 1206 states and 3976 transitions. [2018-11-18 13:31:19,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 3976 transitions. [2018-11-18 13:31:19,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:31:19,693 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:19,701 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 13:31:19,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:19,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3978 states to 1207 states and 3978 transitions. [2018-11-18 13:31:19,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 3978 transitions. [2018-11-18 13:31:19,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:31:19,942 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:19,953 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:31:19,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:19,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3980 states to 1208 states and 3980 transitions. [2018-11-18 13:31:19,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 3980 transitions. [2018-11-18 13:31:19,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:31:19,977 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:19,989 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 13:31:20,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:20,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3981 states to 1210 states and 3981 transitions. [2018-11-18 13:31:20,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 3981 transitions. [2018-11-18 13:31:20,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:31:20,005 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:20,016 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 13:31:20,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:20,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3981 states to 1211 states and 3981 transitions. [2018-11-18 13:31:20,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 3981 transitions. [2018-11-18 13:31:20,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:31:20,029 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:20,050 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 13:31:20,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:20,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3983 states to 1212 states and 3983 transitions. [2018-11-18 13:31:20,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 3983 transitions. [2018-11-18 13:31:20,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 13:31:20,066 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:20,089 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:20,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:20,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3999 states to 1214 states and 3999 transitions. [2018-11-18 13:31:20,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 3999 transitions. [2018-11-18 13:31:20,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 13:31:20,133 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:20,160 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:20,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:20,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4001 states to 1216 states and 4001 transitions. [2018-11-18 13:31:20,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 4001 transitions. [2018-11-18 13:31:20,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 13:31:20,187 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:20,208 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:20,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:20,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4003 states to 1218 states and 4003 transitions. [2018-11-18 13:31:20,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 4003 transitions. [2018-11-18 13:31:20,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 13:31:20,237 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:20,246 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:20,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:20,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4006 states to 1220 states and 4006 transitions. [2018-11-18 13:31:20,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 4006 transitions. [2018-11-18 13:31:20,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 13:31:20,296 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:20,306 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:20,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:20,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4009 states to 1222 states and 4009 transitions. [2018-11-18 13:31:20,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 4009 transitions. [2018-11-18 13:31:20,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 13:31:20,349 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:20,358 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:20,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:20,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4005 states to 1222 states and 4005 transitions. [2018-11-18 13:31:20,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 4005 transitions. [2018-11-18 13:31:20,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 13:31:20,390 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:20,400 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:20,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:20,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4008 states to 1224 states and 4008 transitions. [2018-11-18 13:31:20,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 4008 transitions. [2018-11-18 13:31:20,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 13:31:20,423 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:20,434 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:20,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:20,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4012 states to 1226 states and 4012 transitions. [2018-11-18 13:31:20,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 4012 transitions. [2018-11-18 13:31:20,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 13:31:20,458 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:20,485 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:20,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:20,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4014 states to 1228 states and 4014 transitions. [2018-11-18 13:31:20,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 4014 transitions. [2018-11-18 13:31:20,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 13:31:20,516 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:20,525 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:20,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:20,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4016 states to 1230 states and 4016 transitions. [2018-11-18 13:31:20,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 4016 transitions. [2018-11-18 13:31:20,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 13:31:20,546 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:20,558 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:20,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:20,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4021 states to 1232 states and 4021 transitions. [2018-11-18 13:31:20,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 4021 transitions. [2018-11-18 13:31:20,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 13:31:20,585 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:20,613 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:20,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:20,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4023 states to 1234 states and 4023 transitions. [2018-11-18 13:31:20,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 4023 transitions. [2018-11-18 13:31:20,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 13:31:20,639 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:20,648 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:20,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:20,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4025 states to 1236 states and 4025 transitions. [2018-11-18 13:31:20,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 4025 transitions. [2018-11-18 13:31:20,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 13:31:20,664 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:20,701 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:20,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:20,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4027 states to 1238 states and 4027 transitions. [2018-11-18 13:31:20,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 4027 transitions. [2018-11-18 13:31:20,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 13:31:20,730 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:20,740 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:20,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:20,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4030 states to 1240 states and 4030 transitions. [2018-11-18 13:31:20,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 4030 transitions. [2018-11-18 13:31:20,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 13:31:20,769 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:20,779 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:20,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:20,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4036 states to 1242 states and 4036 transitions. [2018-11-18 13:31:20,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1242 states and 4036 transitions. [2018-11-18 13:31:20,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 13:31:20,810 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:20,819 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:20,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:20,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4038 states to 1244 states and 4038 transitions. [2018-11-18 13:31:20,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 4038 transitions. [2018-11-18 13:31:20,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 13:31:20,839 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:20,850 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 10 proven. 41 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:31:20,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:20,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4039 states to 1246 states and 4039 transitions. [2018-11-18 13:31:20,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 4039 transitions. [2018-11-18 13:31:20,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 13:31:20,873 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:20,881 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 13:31:20,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:20,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4040 states to 1247 states and 4040 transitions. [2018-11-18 13:31:20,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 4040 transitions. [2018-11-18 13:31:20,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 13:31:20,931 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:20,954 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:20,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:20,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4056 states to 1249 states and 4056 transitions. [2018-11-18 13:31:20,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 4056 transitions. [2018-11-18 13:31:20,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 13:31:20,998 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:21,027 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:21,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:21,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4058 states to 1251 states and 4058 transitions. [2018-11-18 13:31:21,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 4058 transitions. [2018-11-18 13:31:21,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 13:31:21,074 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:21,098 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:21,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:21,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4060 states to 1253 states and 4060 transitions. [2018-11-18 13:31:21,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 4060 transitions. [2018-11-18 13:31:21,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 13:31:21,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:21,139 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:21,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:21,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4063 states to 1255 states and 4063 transitions. [2018-11-18 13:31:21,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 4063 transitions. [2018-11-18 13:31:21,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 13:31:21,192 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:21,201 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:21,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:21,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4066 states to 1257 states and 4066 transitions. [2018-11-18 13:31:21,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 4066 transitions. [2018-11-18 13:31:21,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 13:31:21,248 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:21,257 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:21,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:21,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4062 states to 1257 states and 4062 transitions. [2018-11-18 13:31:21,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 4062 transitions. [2018-11-18 13:31:21,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 13:31:21,290 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:21,300 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:21,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:21,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4065 states to 1259 states and 4065 transitions. [2018-11-18 13:31:21,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 4065 transitions. [2018-11-18 13:31:21,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 13:31:21,328 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:21,349 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:21,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:21,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4067 states to 1261 states and 4067 transitions. [2018-11-18 13:31:21,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 4067 transitions. [2018-11-18 13:31:21,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 13:31:21,380 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:21,391 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:21,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:21,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4072 states to 1263 states and 4072 transitions. [2018-11-18 13:31:21,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 4072 transitions. [2018-11-18 13:31:21,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 13:31:21,433 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:21,449 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:21,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:21,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4076 states to 1265 states and 4076 transitions. [2018-11-18 13:31:21,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 4076 transitions. [2018-11-18 13:31:21,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 13:31:21,505 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:21,534 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:21,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:21,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4078 states to 1267 states and 4078 transitions. [2018-11-18 13:31:21,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 4078 transitions. [2018-11-18 13:31:21,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 13:31:21,561 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:21,570 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:21,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:21,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4080 states to 1269 states and 4080 transitions. [2018-11-18 13:31:21,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 4080 transitions. [2018-11-18 13:31:21,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 13:31:21,586 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:21,608 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:21,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:21,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4082 states to 1271 states and 4082 transitions. [2018-11-18 13:31:21,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 4082 transitions. [2018-11-18 13:31:21,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 13:31:21,636 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:21,646 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:21,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:21,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4085 states to 1273 states and 4085 transitions. [2018-11-18 13:31:21,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 4085 transitions. [2018-11-18 13:31:21,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 13:31:21,674 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:21,684 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:21,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:21,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4091 states to 1275 states and 4091 transitions. [2018-11-18 13:31:21,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 4091 transitions. [2018-11-18 13:31:21,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 13:31:21,714 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:21,723 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:21,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:21,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4093 states to 1277 states and 4093 transitions. [2018-11-18 13:31:21,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 4093 transitions. [2018-11-18 13:31:21,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 13:31:21,745 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:21,773 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 13:31:21,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:21,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4092 states to 1277 states and 4092 transitions. [2018-11-18 13:31:21,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 4092 transitions. [2018-11-18 13:31:21,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 13:31:21,793 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:21,802 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:21,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:21,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4094 states to 1279 states and 4094 transitions. [2018-11-18 13:31:21,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 4094 transitions. [2018-11-18 13:31:21,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 13:31:21,820 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:21,829 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 13:31:21,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:21,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4095 states to 1280 states and 4095 transitions. [2018-11-18 13:31:21,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 4095 transitions. [2018-11-18 13:31:21,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 13:31:21,845 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:21,867 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:21,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:21,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4111 states to 1282 states and 4111 transitions. [2018-11-18 13:31:21,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 4111 transitions. [2018-11-18 13:31:21,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 13:31:21,912 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:21,949 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:21,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:21,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4113 states to 1284 states and 4113 transitions. [2018-11-18 13:31:21,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 4113 transitions. [2018-11-18 13:31:21,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 13:31:21,981 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:22,004 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:22,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:22,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4115 states to 1286 states and 4115 transitions. [2018-11-18 13:31:22,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 4115 transitions. [2018-11-18 13:31:22,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 13:31:22,035 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:22,044 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:22,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:22,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4118 states to 1288 states and 4118 transitions. [2018-11-18 13:31:22,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 4118 transitions. [2018-11-18 13:31:22,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 13:31:22,097 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:22,107 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:22,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:22,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4121 states to 1290 states and 4121 transitions. [2018-11-18 13:31:22,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 4121 transitions. [2018-11-18 13:31:22,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 13:31:22,153 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:22,162 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:22,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:22,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4117 states to 1290 states and 4117 transitions. [2018-11-18 13:31:22,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 4117 transitions. [2018-11-18 13:31:22,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 13:31:22,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:22,207 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:22,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:22,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4120 states to 1292 states and 4120 transitions. [2018-11-18 13:31:22,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 4120 transitions. [2018-11-18 13:31:22,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 13:31:22,232 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:22,254 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:22,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:22,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4122 states to 1294 states and 4122 transitions. [2018-11-18 13:31:22,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 4122 transitions. [2018-11-18 13:31:22,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 13:31:22,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:22,298 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:22,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:22,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4127 states to 1296 states and 4127 transitions. [2018-11-18 13:31:22,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 4127 transitions. [2018-11-18 13:31:22,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 13:31:22,330 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:22,357 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:22,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:22,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4129 states to 1298 states and 4129 transitions. [2018-11-18 13:31:22,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 4129 transitions. [2018-11-18 13:31:22,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 13:31:22,384 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:22,393 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:22,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:22,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4131 states to 1300 states and 4131 transitions. [2018-11-18 13:31:22,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 4131 transitions. [2018-11-18 13:31:22,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 13:31:22,410 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:22,431 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:22,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:22,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4133 states to 1302 states and 4133 transitions. [2018-11-18 13:31:22,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 4133 transitions. [2018-11-18 13:31:22,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 13:31:22,459 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:22,469 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:22,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:22,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4136 states to 1304 states and 4136 transitions. [2018-11-18 13:31:22,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 4136 transitions. [2018-11-18 13:31:22,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 13:31:22,496 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:22,507 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:22,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:22,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4142 states to 1306 states and 4142 transitions. [2018-11-18 13:31:22,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1306 states and 4142 transitions. [2018-11-18 13:31:22,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 13:31:22,536 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:22,548 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:22,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:22,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4144 states to 1308 states and 4144 transitions. [2018-11-18 13:31:22,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 4144 transitions. [2018-11-18 13:31:22,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 13:31:22,586 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:22,600 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:22,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:22,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4148 states to 1310 states and 4148 transitions. [2018-11-18 13:31:22,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 4148 transitions. [2018-11-18 13:31:22,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 13:31:22,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:22,634 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 13:31:22,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:22,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4147 states to 1310 states and 4147 transitions. [2018-11-18 13:31:22,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 4147 transitions. [2018-11-18 13:31:22,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 13:31:22,765 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:22,774 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:22,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:22,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4149 states to 1312 states and 4149 transitions. [2018-11-18 13:31:22,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 4149 transitions. [2018-11-18 13:31:22,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 13:31:22,792 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:22,812 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:31:22,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:22,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4142 states to 1310 states and 4142 transitions. [2018-11-18 13:31:22,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 4142 transitions. [2018-11-18 13:31:22,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 13:31:22,831 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:22,842 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 13:31:22,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:22,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4142 states to 1311 states and 4142 transitions. [2018-11-18 13:31:22,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 4142 transitions. [2018-11-18 13:31:22,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 13:31:22,857 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:22,867 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 13:31:22,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:22,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4145 states to 1312 states and 4145 transitions. [2018-11-18 13:31:22,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 4145 transitions. [2018-11-18 13:31:22,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 13:31:22,886 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:22,894 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 13:31:23,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:23,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4154 states to 1316 states and 4154 transitions. [2018-11-18 13:31:23,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 4154 transitions. [2018-11-18 13:31:23,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 13:31:23,086 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:23,097 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 10 proven. 45 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:31:23,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:23,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4162 states to 1320 states and 4162 transitions. [2018-11-18 13:31:23,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 4162 transitions. [2018-11-18 13:31:23,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 13:31:23,188 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:23,211 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 13:31:23,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:23,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4163 states to 1322 states and 4163 transitions. [2018-11-18 13:31:23,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 4163 transitions. [2018-11-18 13:31:23,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 13:31:23,228 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:23,262 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:23,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:23,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4179 states to 1324 states and 4179 transitions. [2018-11-18 13:31:23,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 4179 transitions. [2018-11-18 13:31:23,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 13:31:23,316 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:23,347 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:23,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:23,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4181 states to 1326 states and 4181 transitions. [2018-11-18 13:31:23,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 4181 transitions. [2018-11-18 13:31:23,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 13:31:23,375 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:23,397 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:23,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:23,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4183 states to 1328 states and 4183 transitions. [2018-11-18 13:31:23,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 4183 transitions. [2018-11-18 13:31:23,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 13:31:23,427 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:23,437 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:23,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:23,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4186 states to 1330 states and 4186 transitions. [2018-11-18 13:31:23,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 4186 transitions. [2018-11-18 13:31:23,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 13:31:23,488 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:23,499 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:23,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:23,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4189 states to 1332 states and 4189 transitions. [2018-11-18 13:31:23,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 4189 transitions. [2018-11-18 13:31:23,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 13:31:23,544 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:23,553 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:23,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:23,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4185 states to 1332 states and 4185 transitions. [2018-11-18 13:31:23,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 4185 transitions. [2018-11-18 13:31:23,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 13:31:23,586 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:23,596 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:23,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:23,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4188 states to 1334 states and 4188 transitions. [2018-11-18 13:31:23,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 4188 transitions. [2018-11-18 13:31:23,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 13:31:23,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:23,641 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:23,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:23,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4190 states to 1336 states and 4190 transitions. [2018-11-18 13:31:23,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 4190 transitions. [2018-11-18 13:31:23,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 13:31:23,675 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:23,685 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:23,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:23,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4195 states to 1338 states and 4195 transitions. [2018-11-18 13:31:23,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 4195 transitions. [2018-11-18 13:31:23,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 13:31:23,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:23,727 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:23,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:23,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4199 states to 1340 states and 4199 transitions. [2018-11-18 13:31:23,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 4199 transitions. [2018-11-18 13:31:23,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 13:31:23,760 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:23,812 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:23,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:23,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4201 states to 1342 states and 4201 transitions. [2018-11-18 13:31:23,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 4201 transitions. [2018-11-18 13:31:23,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 13:31:23,839 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:23,848 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:23,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:23,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4203 states to 1344 states and 4203 transitions. [2018-11-18 13:31:23,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 4203 transitions. [2018-11-18 13:31:23,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 13:31:23,866 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:23,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:23,875 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:23,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:23,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4205 states to 1346 states and 4205 transitions. [2018-11-18 13:31:23,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 4205 transitions. [2018-11-18 13:31:23,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 13:31:23,892 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:23,913 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:23,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:23,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4207 states to 1348 states and 4207 transitions. [2018-11-18 13:31:23,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 4207 transitions. [2018-11-18 13:31:23,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 13:31:23,941 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:23,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:23,952 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:23,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:23,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4210 states to 1350 states and 4210 transitions. [2018-11-18 13:31:23,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 4210 transitions. [2018-11-18 13:31:23,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 13:31:23,979 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:23,990 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:24,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:24,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4216 states to 1352 states and 4216 transitions. [2018-11-18 13:31:24,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 4216 transitions. [2018-11-18 13:31:24,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 13:31:24,019 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:24,029 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:24,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:24,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4218 states to 1354 states and 4218 transitions. [2018-11-18 13:31:24,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 4218 transitions. [2018-11-18 13:31:24,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 13:31:24,049 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:24,057 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 13:31:24,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:24,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4217 states to 1354 states and 4217 transitions. [2018-11-18 13:31:24,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 4217 transitions. [2018-11-18 13:31:24,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 13:31:24,088 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:24,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:24,097 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 13:31:24,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:24,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4218 states to 1355 states and 4218 transitions. [2018-11-18 13:31:24,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 4218 transitions. [2018-11-18 13:31:24,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 13:31:24,121 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:24,129 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 13:31:24,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:24,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4219 states to 1357 states and 4219 transitions. [2018-11-18 13:31:24,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 4219 transitions. [2018-11-18 13:31:24,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 13:31:24,152 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:24,162 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 44 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:31:24,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:24,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4221 states to 1359 states and 4221 transitions. [2018-11-18 13:31:24,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 4221 transitions. [2018-11-18 13:31:24,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 13:31:24,182 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:24,205 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 13:31:24,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:24,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4222 states to 1361 states and 4222 transitions. [2018-11-18 13:31:24,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 4222 transitions. [2018-11-18 13:31:24,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:31:24,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:24,243 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:24,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:24,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4238 states to 1363 states and 4238 transitions. [2018-11-18 13:31:24,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 4238 transitions. [2018-11-18 13:31:24,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:31:24,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:24,315 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:24,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:24,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4240 states to 1365 states and 4240 transitions. [2018-11-18 13:31:24,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 4240 transitions. [2018-11-18 13:31:24,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:31:24,344 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:24,377 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:24,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:24,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4242 states to 1367 states and 4242 transitions. [2018-11-18 13:31:24,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 4242 transitions. [2018-11-18 13:31:24,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:31:24,433 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:24,444 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:24,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:24,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4245 states to 1369 states and 4245 transitions. [2018-11-18 13:31:24,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 4245 transitions. [2018-11-18 13:31:24,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:31:24,500 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:24,511 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:24,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:24,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4248 states to 1371 states and 4248 transitions. [2018-11-18 13:31:24,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 4248 transitions. [2018-11-18 13:31:24,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:31:24,555 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:24,565 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:24,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:24,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4244 states to 1371 states and 4244 transitions. [2018-11-18 13:31:24,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 4244 transitions. [2018-11-18 13:31:24,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:31:24,598 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:24,608 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:24,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:24,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4247 states to 1373 states and 4247 transitions. [2018-11-18 13:31:24,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 4247 transitions. [2018-11-18 13:31:24,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:31:24,632 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:24,659 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:24,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:24,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4249 states to 1375 states and 4249 transitions. [2018-11-18 13:31:24,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 4249 transitions. [2018-11-18 13:31:24,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:31:24,692 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:24,703 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:24,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:24,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4254 states to 1377 states and 4254 transitions. [2018-11-18 13:31:24,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 4254 transitions. [2018-11-18 13:31:24,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:31:24,734 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:24,764 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:24,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:24,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4256 states to 1379 states and 4256 transitions. [2018-11-18 13:31:24,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 4256 transitions. [2018-11-18 13:31:24,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:31:24,792 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:24,801 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:24,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:24,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4258 states to 1381 states and 4258 transitions. [2018-11-18 13:31:24,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 4258 transitions. [2018-11-18 13:31:24,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:31:24,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:24,840 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:24,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:24,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4260 states to 1383 states and 4260 transitions. [2018-11-18 13:31:24,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 4260 transitions. [2018-11-18 13:31:24,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:31:24,869 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:24,879 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:24,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:24,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4263 states to 1385 states and 4263 transitions. [2018-11-18 13:31:24,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 4263 transitions. [2018-11-18 13:31:24,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:31:24,908 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:24,918 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:24,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:24,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4269 states to 1387 states and 4269 transitions. [2018-11-18 13:31:24,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 4269 transitions. [2018-11-18 13:31:24,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:31:24,948 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:24,957 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:24,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:24,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4271 states to 1389 states and 4271 transitions. [2018-11-18 13:31:24,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 4271 transitions. [2018-11-18 13:31:24,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:31:24,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:24,999 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 51 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 13:31:25,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:25,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4270 states to 1389 states and 4270 transitions. [2018-11-18 13:31:25,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 4270 transitions. [2018-11-18 13:31:25,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:31:25,020 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:25,030 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-18 13:31:25,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:25,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4270 states to 1390 states and 4270 transitions. [2018-11-18 13:31:25,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 4270 transitions. [2018-11-18 13:31:25,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:31:25,056 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:25,066 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 13:31:25,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:25,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4273 states to 1391 states and 4273 transitions. [2018-11-18 13:31:25,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 4273 transitions. [2018-11-18 13:31:25,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:31:25,094 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:25,105 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:25,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:25,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4277 states to 1393 states and 4277 transitions. [2018-11-18 13:31:25,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 4277 transitions. [2018-11-18 13:31:25,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:31:25,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:25,139 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:25,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:25,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4279 states to 1395 states and 4279 transitions. [2018-11-18 13:31:25,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 4279 transitions. [2018-11-18 13:31:25,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:31:25,158 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:25,169 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 44 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:31:25,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:25,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4282 states to 1397 states and 4282 transitions. [2018-11-18 13:31:25,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 4282 transitions. [2018-11-18 13:31:25,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:31:25,191 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:25,202 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 44 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:31:25,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:25,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4283 states to 1398 states and 4283 transitions. [2018-11-18 13:31:25,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 4283 transitions. [2018-11-18 13:31:25,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 13:31:25,235 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:25,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:25,246 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 10 proven. 47 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:31:25,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:25,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4285 states to 1399 states and 4285 transitions. [2018-11-18 13:31:25,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 4285 transitions. [2018-11-18 13:31:25,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 13:31:25,270 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:25,299 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:25,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:25,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4287 states to 1401 states and 4287 transitions. [2018-11-18 13:31:25,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 4287 transitions. [2018-11-18 13:31:25,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 13:31:25,328 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:25,369 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:25,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:25,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4289 states to 1403 states and 4289 transitions. [2018-11-18 13:31:25,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 4289 transitions. [2018-11-18 13:31:25,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 13:31:25,407 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:25,418 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:25,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:25,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4292 states to 1405 states and 4292 transitions. [2018-11-18 13:31:25,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 4292 transitions. [2018-11-18 13:31:25,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 13:31:25,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:25,483 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:25,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:25,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4295 states to 1407 states and 4295 transitions. [2018-11-18 13:31:25,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 4295 transitions. [2018-11-18 13:31:25,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 13:31:25,531 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:25,543 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:25,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:25,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4291 states to 1407 states and 4291 transitions. [2018-11-18 13:31:25,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 4291 transitions. [2018-11-18 13:31:25,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 13:31:25,577 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:25,588 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:25,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:25,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4294 states to 1409 states and 4294 transitions. [2018-11-18 13:31:25,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 4294 transitions. [2018-11-18 13:31:25,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 13:31:25,617 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:25,629 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:25,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:25,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4298 states to 1411 states and 4298 transitions. [2018-11-18 13:31:25,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 4298 transitions. [2018-11-18 13:31:25,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 13:31:25,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:25,687 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:25,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:25,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4300 states to 1413 states and 4300 transitions. [2018-11-18 13:31:25,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 4300 transitions. [2018-11-18 13:31:25,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 13:31:25,724 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:25,736 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:25,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:25,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4305 states to 1415 states and 4305 transitions. [2018-11-18 13:31:25,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 4305 transitions. [2018-11-18 13:31:25,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 13:31:25,765 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:25,796 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:25,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:25,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4307 states to 1417 states and 4307 transitions. [2018-11-18 13:31:25,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 4307 transitions. [2018-11-18 13:31:25,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 13:31:25,826 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:25,859 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:25,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:25,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4309 states to 1419 states and 4309 transitions. [2018-11-18 13:31:25,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 4309 transitions. [2018-11-18 13:31:25,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 13:31:25,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:25,889 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:25,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:25,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4311 states to 1421 states and 4311 transitions. [2018-11-18 13:31:25,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1421 states and 4311 transitions. [2018-11-18 13:31:25,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 13:31:25,908 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:25,930 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:25,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:25,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4313 states to 1423 states and 4313 transitions. [2018-11-18 13:31:25,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 4313 transitions. [2018-11-18 13:31:25,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 13:31:25,960 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:25,971 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:26,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:26,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4316 states to 1425 states and 4316 transitions. [2018-11-18 13:31:26,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 4316 transitions. [2018-11-18 13:31:26,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 13:31:26,003 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:26,015 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:26,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:26,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4322 states to 1427 states and 4322 transitions. [2018-11-18 13:31:26,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 4322 transitions. [2018-11-18 13:31:26,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 13:31:26,049 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:26,059 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:26,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:26,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4324 states to 1429 states and 4324 transitions. [2018-11-18 13:31:26,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 4324 transitions. [2018-11-18 13:31:26,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 13:31:26,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:26,093 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 13:31:26,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:26,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4190 states to 1377 states and 4190 transitions. [2018-11-18 13:31:26,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 4190 transitions. [2018-11-18 13:31:26,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 13:31:26,135 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:26,145 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 13:31:26,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:26,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4190 states to 1378 states and 4190 transitions. [2018-11-18 13:31:26,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 4190 transitions. [2018-11-18 13:31:26,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 13:31:26,169 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:26,180 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 44 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:31:26,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:26,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4190 states to 1379 states and 4190 transitions. [2018-11-18 13:31:26,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 4190 transitions. [2018-11-18 13:31:26,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 13:31:26,208 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:26,220 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 13:31:26,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:26,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4193 states to 1381 states and 4193 transitions. [2018-11-18 13:31:26,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 4193 transitions. [2018-11-18 13:31:26,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 13:31:26,242 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:26,276 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:26,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:26,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4195 states to 1383 states and 4195 transitions. [2018-11-18 13:31:26,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 4195 transitions. [2018-11-18 13:31:26,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 13:31:26,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:26,329 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:26,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:26,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4197 states to 1385 states and 4197 transitions. [2018-11-18 13:31:26,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 4197 transitions. [2018-11-18 13:31:26,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 13:31:26,361 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:26,372 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:26,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:26,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4200 states to 1387 states and 4200 transitions. [2018-11-18 13:31:26,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 4200 transitions. [2018-11-18 13:31:26,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 13:31:26,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:26,440 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:26,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:26,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4203 states to 1389 states and 4203 transitions. [2018-11-18 13:31:26,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 4203 transitions. [2018-11-18 13:31:26,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 13:31:26,487 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:26,497 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:26,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:26,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4199 states to 1389 states and 4199 transitions. [2018-11-18 13:31:26,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 4199 transitions. [2018-11-18 13:31:26,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 13:31:26,532 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:26,543 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:26,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:26,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4202 states to 1391 states and 4202 transitions. [2018-11-18 13:31:26,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 4202 transitions. [2018-11-18 13:31:26,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 13:31:26,571 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:26,583 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:26,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:26,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4206 states to 1393 states and 4206 transitions. [2018-11-18 13:31:26,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 4206 transitions. [2018-11-18 13:31:26,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 13:31:26,617 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:26,643 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:26,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:26,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4208 states to 1395 states and 4208 transitions. [2018-11-18 13:31:26,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 4208 transitions. [2018-11-18 13:31:26,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 13:31:26,680 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:26,692 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:26,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:26,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4213 states to 1397 states and 4213 transitions. [2018-11-18 13:31:26,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 4213 transitions. [2018-11-18 13:31:26,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 13:31:26,718 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:26,749 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:26,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:26,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4215 states to 1399 states and 4215 transitions. [2018-11-18 13:31:26,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 4215 transitions. [2018-11-18 13:31:26,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 13:31:26,778 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:26,789 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:26,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:26,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4212 states to 1399 states and 4212 transitions. [2018-11-18 13:31:26,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 4212 transitions. [2018-11-18 13:31:26,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 13:31:26,810 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:26,835 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:26,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:26,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4214 states to 1401 states and 4214 transitions. [2018-11-18 13:31:26,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 4214 transitions. [2018-11-18 13:31:26,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 13:31:26,869 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:26,881 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:26,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:26,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4217 states to 1403 states and 4217 transitions. [2018-11-18 13:31:26,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 4217 transitions. [2018-11-18 13:31:26,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 13:31:26,910 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:26,922 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:26,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:26,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4223 states to 1405 states and 4223 transitions. [2018-11-18 13:31:26,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 4223 transitions. [2018-11-18 13:31:26,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 13:31:26,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:26,964 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:26,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:26,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4225 states to 1407 states and 4225 transitions. [2018-11-18 13:31:26,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 4225 transitions. [2018-11-18 13:31:26,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 13:31:26,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:26,998 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:27,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:27,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4222 states to 1407 states and 4222 transitions. [2018-11-18 13:31:27,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 4222 transitions. [2018-11-18 13:31:27,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 13:31:27,017 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:27,028 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 13:31:27,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:27,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4224 states to 1409 states and 4224 transitions. [2018-11-18 13:31:27,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 4224 transitions. [2018-11-18 13:31:27,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 13:31:27,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:27,072 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:27,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:27,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4226 states to 1411 states and 4226 transitions. [2018-11-18 13:31:27,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 4226 transitions. [2018-11-18 13:31:27,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 13:31:27,103 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:27,125 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:27,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:27,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4228 states to 1413 states and 4228 transitions. [2018-11-18 13:31:27,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 4228 transitions. [2018-11-18 13:31:27,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 13:31:27,157 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:27,167 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:27,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:27,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4231 states to 1415 states and 4231 transitions. [2018-11-18 13:31:27,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 4231 transitions. [2018-11-18 13:31:27,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 13:31:27,219 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:27,230 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:27,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:27,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4234 states to 1417 states and 4234 transitions. [2018-11-18 13:31:27,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 4234 transitions. [2018-11-18 13:31:27,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 13:31:27,275 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:27,290 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:27,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:27,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4230 states to 1417 states and 4230 transitions. [2018-11-18 13:31:27,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 4230 transitions. [2018-11-18 13:31:27,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 13:31:27,328 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:27,338 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:27,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:27,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4233 states to 1419 states and 4233 transitions. [2018-11-18 13:31:27,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 4233 transitions. [2018-11-18 13:31:27,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 13:31:27,364 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:27,386 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:27,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:27,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4235 states to 1421 states and 4235 transitions. [2018-11-18 13:31:27,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1421 states and 4235 transitions. [2018-11-18 13:31:27,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 13:31:27,419 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:27,430 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:27,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:27,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4240 states to 1423 states and 4240 transitions. [2018-11-18 13:31:27,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 4240 transitions. [2018-11-18 13:31:27,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 13:31:27,456 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:27,485 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:27,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:27,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4242 states to 1425 states and 4242 transitions. [2018-11-18 13:31:27,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 4242 transitions. [2018-11-18 13:31:27,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 13:31:27,515 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:27,524 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:27,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:27,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4239 states to 1425 states and 4239 transitions. [2018-11-18 13:31:27,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 4239 transitions. [2018-11-18 13:31:27,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 13:31:27,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:27,581 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:27,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:27,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4241 states to 1427 states and 4241 transitions. [2018-11-18 13:31:27,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 4241 transitions. [2018-11-18 13:31:27,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 13:31:27,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:27,629 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:27,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:27,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4244 states to 1429 states and 4244 transitions. [2018-11-18 13:31:27,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 4244 transitions. [2018-11-18 13:31:27,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 13:31:27,667 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:27,679 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:27,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:27,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4250 states to 1431 states and 4250 transitions. [2018-11-18 13:31:27,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 4250 transitions. [2018-11-18 13:31:27,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 13:31:27,716 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:27,726 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:27,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:27,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4252 states to 1433 states and 4252 transitions. [2018-11-18 13:31:27,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 4252 transitions. [2018-11-18 13:31:27,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 13:31:27,752 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:27,763 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 13:31:27,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:27,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4105 states to 1404 states and 4105 transitions. [2018-11-18 13:31:27,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 4105 transitions. [2018-11-18 13:31:27,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 13:31:27,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:27,827 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 13:31:27,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:27,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4106 states to 1406 states and 4106 transitions. [2018-11-18 13:31:27,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 4106 transitions. [2018-11-18 13:31:27,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 13:31:27,868 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:27,879 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:27,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:27,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4110 states to 1408 states and 4110 transitions. [2018-11-18 13:31:27,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 4110 transitions. [2018-11-18 13:31:27,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 13:31:27,912 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:27,922 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:27,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:27,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4107 states to 1408 states and 4107 transitions. [2018-11-18 13:31:27,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 4107 transitions. [2018-11-18 13:31:27,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 13:31:27,944 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:27,955 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 13:31:27,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:27,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4110 states to 1410 states and 4110 transitions. [2018-11-18 13:31:27,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 4110 transitions. [2018-11-18 13:31:27,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 13:31:27,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:27,985 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 41 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:28,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:28,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4112 states to 1411 states and 4112 transitions. [2018-11-18 13:31:28,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 4112 transitions. [2018-11-18 13:31:28,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 13:31:28,018 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:28,034 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 13:31:28,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:28,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4113 states to 1412 states and 4113 transitions. [2018-11-18 13:31:28,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 4113 transitions. [2018-11-18 13:31:28,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 13:31:28,059 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:28,123 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:28,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:28,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4115 states to 1414 states and 4115 transitions. [2018-11-18 13:31:28,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 4115 transitions. [2018-11-18 13:31:28,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 13:31:28,159 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:28,184 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:28,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:28,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4117 states to 1416 states and 4117 transitions. [2018-11-18 13:31:28,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 4117 transitions. [2018-11-18 13:31:28,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 13:31:28,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:28,228 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:28,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:28,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4120 states to 1418 states and 4120 transitions. [2018-11-18 13:31:28,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 4120 transitions. [2018-11-18 13:31:28,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 13:31:28,284 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:28,295 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:28,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:28,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4123 states to 1420 states and 4123 transitions. [2018-11-18 13:31:28,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 4123 transitions. [2018-11-18 13:31:28,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 13:31:28,340 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:28,350 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:28,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:28,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4119 states to 1420 states and 4119 transitions. [2018-11-18 13:31:28,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 4119 transitions. [2018-11-18 13:31:28,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 13:31:28,383 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:28,394 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:28,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:28,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4122 states to 1422 states and 4122 transitions. [2018-11-18 13:31:28,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 4122 transitions. [2018-11-18 13:31:28,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 13:31:28,419 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:28,442 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:28,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:28,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4124 states to 1424 states and 4124 transitions. [2018-11-18 13:31:28,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 4124 transitions. [2018-11-18 13:31:28,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 13:31:28,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:28,486 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:28,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:28,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4129 states to 1426 states and 4129 transitions. [2018-11-18 13:31:28,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 4129 transitions. [2018-11-18 13:31:28,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 13:31:28,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:28,540 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:28,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:28,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4131 states to 1428 states and 4131 transitions. [2018-11-18 13:31:28,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 4131 transitions. [2018-11-18 13:31:28,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 13:31:28,570 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:28,579 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:28,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:28,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4128 states to 1428 states and 4128 transitions. [2018-11-18 13:31:28,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 4128 transitions. [2018-11-18 13:31:28,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 13:31:28,597 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:28,619 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:28,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:28,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4130 states to 1430 states and 4130 transitions. [2018-11-18 13:31:28,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 4130 transitions. [2018-11-18 13:31:28,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 13:31:28,650 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:28,661 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:28,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:28,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4133 states to 1432 states and 4133 transitions. [2018-11-18 13:31:28,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 4133 transitions. [2018-11-18 13:31:28,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 13:31:28,690 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:28,701 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:28,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:28,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4137 states to 1434 states and 4137 transitions. [2018-11-18 13:31:28,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 4137 transitions. [2018-11-18 13:31:28,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 13:31:28,727 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:28,738 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:28,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:28,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4143 states to 1436 states and 4143 transitions. [2018-11-18 13:31:28,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 4143 transitions. [2018-11-18 13:31:28,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 13:31:28,768 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:28,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:28,778 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:28,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:28,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4140 states to 1436 states and 4140 transitions. [2018-11-18 13:31:28,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 4140 transitions. [2018-11-18 13:31:28,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 13:31:28,798 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:28,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:28,808 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:28,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:28,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4132 states to 1436 states and 4132 transitions. [2018-11-18 13:31:28,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 4132 transitions. [2018-11-18 13:31:28,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 13:31:28,831 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:28,842 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 13:31:28,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:28,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4133 states to 1438 states and 4133 transitions. [2018-11-18 13:31:28,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 4133 transitions. [2018-11-18 13:31:28,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 13:31:28,882 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:28,894 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 13:31:28,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:28,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4133 states to 1439 states and 4133 transitions. [2018-11-18 13:31:28,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 4133 transitions. [2018-11-18 13:31:28,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 13:31:28,909 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:28,920 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 41 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:28,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:28,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4141 states to 1442 states and 4141 transitions. [2018-11-18 13:31:28,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 4141 transitions. [2018-11-18 13:31:28,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 13:31:28,950 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:28,959 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-18 13:31:29,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:29,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4211 states to 1448 states and 4211 transitions. [2018-11-18 13:31:29,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 4211 transitions. [2018-11-18 13:31:29,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 13:31:29,386 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:29,416 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:29,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:29,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4213 states to 1450 states and 4213 transitions. [2018-11-18 13:31:29,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 4213 transitions. [2018-11-18 13:31:29,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 13:31:29,447 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:29,473 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:29,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:29,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4215 states to 1452 states and 4215 transitions. [2018-11-18 13:31:29,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 4215 transitions. [2018-11-18 13:31:29,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 13:31:29,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:29,523 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:29,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:29,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4218 states to 1454 states and 4218 transitions. [2018-11-18 13:31:29,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 4218 transitions. [2018-11-18 13:31:29,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 13:31:29,578 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:29,590 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:29,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:29,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4221 states to 1456 states and 4221 transitions. [2018-11-18 13:31:29,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 4221 transitions. [2018-11-18 13:31:29,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 13:31:29,637 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:29,649 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:29,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:29,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4217 states to 1456 states and 4217 transitions. [2018-11-18 13:31:29,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 4217 transitions. [2018-11-18 13:31:29,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 13:31:29,685 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:29,697 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:29,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:29,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4220 states to 1458 states and 4220 transitions. [2018-11-18 13:31:29,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 4220 transitions. [2018-11-18 13:31:29,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 13:31:29,727 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:29,755 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:29,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:29,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4222 states to 1460 states and 4222 transitions. [2018-11-18 13:31:29,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 4222 transitions. [2018-11-18 13:31:29,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 13:31:29,791 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:29,804 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:29,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:29,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4227 states to 1462 states and 4227 transitions. [2018-11-18 13:31:29,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 4227 transitions. [2018-11-18 13:31:29,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 13:31:29,835 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:29,869 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:29,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:29,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4229 states to 1464 states and 4229 transitions. [2018-11-18 13:31:29,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 4229 transitions. [2018-11-18 13:31:29,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 13:31:29,901 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:29,912 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:29,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:29,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4226 states to 1464 states and 4226 transitions. [2018-11-18 13:31:29,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 4226 transitions. [2018-11-18 13:31:29,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 13:31:29,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:29,962 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:31:29,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:29,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4228 states to 1466 states and 4228 transitions. [2018-11-18 13:31:29,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 4228 transitions. [2018-11-18 13:31:29,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 13:31:29,995 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:30,007 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:30,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:30,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4231 states to 1468 states and 4231 transitions. [2018-11-18 13:31:30,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 4231 transitions. [2018-11-18 13:31:30,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 13:31:30,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:30,055 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:30,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:30,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4235 states to 1470 states and 4235 transitions. [2018-11-18 13:31:30,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 4235 transitions. [2018-11-18 13:31:30,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 13:31:30,089 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:30,102 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:31:30,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:30,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4241 states to 1472 states and 4241 transitions. [2018-11-18 13:31:30,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 4241 transitions. [2018-11-18 13:31:30,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 13:31:30,136 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:30,148 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:30,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:30,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4232 states to 1472 states and 4232 transitions. [2018-11-18 13:31:30,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 4232 transitions. [2018-11-18 13:31:30,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 13:31:30,177 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:30,188 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:31:30,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:30,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4228 states to 1472 states and 4228 transitions. [2018-11-18 13:31:30,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 4228 transitions. [2018-11-18 13:31:30,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 13:31:30,215 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:30,269 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 13:31:30,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:30,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4241 states to 1478 states and 4241 transitions. [2018-11-18 13:31:30,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 4241 transitions. [2018-11-18 13:31:30,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 13:31:30,398 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:30,426 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:30,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:30,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4245 states to 1480 states and 4245 transitions. [2018-11-18 13:31:30,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 4245 transitions. [2018-11-18 13:31:30,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 13:31:30,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:30,496 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:30,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:30,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4247 states to 1482 states and 4247 transitions. [2018-11-18 13:31:30,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 4247 transitions. [2018-11-18 13:31:30,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 13:31:30,535 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:30,546 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:30,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:30,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4250 states to 1484 states and 4250 transitions. [2018-11-18 13:31:30,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 4250 transitions. [2018-11-18 13:31:30,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 13:31:30,599 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:30,610 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:30,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:30,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4253 states to 1486 states and 4253 transitions. [2018-11-18 13:31:30,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 4253 transitions. [2018-11-18 13:31:30,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 13:31:30,678 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:30,689 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:30,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:30,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4249 states to 1486 states and 4249 transitions. [2018-11-18 13:31:30,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 4249 transitions. [2018-11-18 13:31:30,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 13:31:30,722 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:30,755 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:30,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:30,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4240 states to 1487 states and 4240 transitions. [2018-11-18 13:31:30,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 4240 transitions. [2018-11-18 13:31:30,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 13:31:30,779 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:30,804 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:30,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:30,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4242 states to 1489 states and 4242 transitions. [2018-11-18 13:31:30,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 4242 transitions. [2018-11-18 13:31:30,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 13:31:30,840 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:30,852 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:30,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:30,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4245 states to 1491 states and 4245 transitions. [2018-11-18 13:31:30,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 4245 transitions. [2018-11-18 13:31:30,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 13:31:30,906 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:30,919 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:30,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:30,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4248 states to 1493 states and 4248 transitions. [2018-11-18 13:31:30,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 4248 transitions. [2018-11-18 13:31:30,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 13:31:30,968 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:30,980 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:31,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:31,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4244 states to 1493 states and 4244 transitions. [2018-11-18 13:31:31,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 4244 transitions. [2018-11-18 13:31:31,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-18 13:31:31,015 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:31,049 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:31,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:31,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4247 states to 1495 states and 4247 transitions. [2018-11-18 13:31:31,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 4247 transitions. [2018-11-18 13:31:31,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-18 13:31:31,074 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:31,102 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:31,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:31,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4248 states to 1496 states and 4248 transitions. [2018-11-18 13:31:31,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 4248 transitions. [2018-11-18 13:31:31,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-18 13:31:31,134 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:31,158 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:31,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:31,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4250 states to 1498 states and 4250 transitions. [2018-11-18 13:31:31,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 4250 transitions. [2018-11-18 13:31:31,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-18 13:31:31,195 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:31,208 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:31,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:31,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4253 states to 1500 states and 4253 transitions. [2018-11-18 13:31:31,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 4253 transitions. [2018-11-18 13:31:31,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-18 13:31:31,262 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:31,273 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:31,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:31,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4256 states to 1502 states and 4256 transitions. [2018-11-18 13:31:31,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 4256 transitions. [2018-11-18 13:31:31,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-18 13:31:31,319 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:31,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:31,330 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:31,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:31,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4252 states to 1502 states and 4252 transitions. [2018-11-18 13:31:31,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 4252 transitions. [2018-11-18 13:31:31,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 13:31:31,366 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:31,394 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:31,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:31,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4241 states to 1502 states and 4241 transitions. [2018-11-18 13:31:31,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 4241 transitions. [2018-11-18 13:31:31,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 13:31:31,418 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:31,441 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:31,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:31,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4245 states to 1504 states and 4245 transitions. [2018-11-18 13:31:31,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 4245 transitions. [2018-11-18 13:31:31,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 13:31:31,477 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:31,488 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:31,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:31,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4248 states to 1506 states and 4248 transitions. [2018-11-18 13:31:31,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 4248 transitions. [2018-11-18 13:31:31,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 13:31:31,541 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:31,553 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:31,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:31,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4251 states to 1508 states and 4251 transitions. [2018-11-18 13:31:31,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 4251 transitions. [2018-11-18 13:31:31,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 13:31:31,602 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:31,613 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:31,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:31,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4247 states to 1508 states and 4247 transitions. [2018-11-18 13:31:31,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 4247 transitions. [2018-11-18 13:31:31,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 13:31:31,649 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:31,671 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:31,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:31,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4249 states to 1510 states and 4249 transitions. [2018-11-18 13:31:31,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 4249 transitions. [2018-11-18 13:31:31,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 13:31:31,696 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:31,706 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:31,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:31,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4253 states to 1512 states and 4253 transitions. [2018-11-18 13:31:31,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 4253 transitions. [2018-11-18 13:31:31,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 13:31:31,732 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:31,744 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:31,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:31,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4256 states to 1514 states and 4256 transitions. [2018-11-18 13:31:31,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 4256 transitions. [2018-11-18 13:31:31,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 13:31:31,793 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:31,804 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:31,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:31,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4252 states to 1514 states and 4252 transitions. [2018-11-18 13:31:31,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 4252 transitions. [2018-11-18 13:31:31,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-18 13:31:31,839 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:31,861 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:31,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:31,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4255 states to 1516 states and 4255 transitions. [2018-11-18 13:31:31,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 4255 transitions. [2018-11-18 13:31:31,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-18 13:31:31,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:31,909 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:31,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:31,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4256 states to 1517 states and 4256 transitions. [2018-11-18 13:31:31,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 4256 transitions. [2018-11-18 13:31:31,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-18 13:31:31,945 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:31,955 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:31,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:31,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4259 states to 1519 states and 4259 transitions. [2018-11-18 13:31:31,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 4259 transitions. [2018-11-18 13:31:31,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-18 13:31:31,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:31,989 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:32,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:32,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4263 states to 1521 states and 4263 transitions. [2018-11-18 13:31:32,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 4263 transitions. [2018-11-18 13:31:32,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-18 13:31:32,020 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:32,031 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:32,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:32,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4259 states to 1521 states and 4259 transitions. [2018-11-18 13:31:32,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 4259 transitions. [2018-11-18 13:31:32,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-18 13:31:32,067 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:32,078 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:32,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:32,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4263 states to 1523 states and 4263 transitions. [2018-11-18 13:31:32,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 4263 transitions. [2018-11-18 13:31:32,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-18 13:31:32,096 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:32,119 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:32,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:32,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4263 states to 1524 states and 4263 transitions. [2018-11-18 13:31:32,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1524 states and 4263 transitions. [2018-11-18 13:31:32,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-18 13:31:32,147 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:32,157 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:31:32,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:32,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4264 states to 1525 states and 4264 transitions. [2018-11-18 13:31:32,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 4264 transitions. [2018-11-18 13:31:32,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-18 13:31:32,184 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:32,195 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:32,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:32,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4267 states to 1527 states and 4267 transitions. [2018-11-18 13:31:32,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 4267 transitions. [2018-11-18 13:31:32,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-18 13:31:32,215 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:32,228 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:32,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:32,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4263 states to 1527 states and 4263 transitions. [2018-11-18 13:31:32,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 4263 transitions. [2018-11-18 13:31:32,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 13:31:32,266 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:32,277 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:32,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:32,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4267 states to 1529 states and 4267 transitions. [2018-11-18 13:31:32,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 4267 transitions. [2018-11-18 13:31:32,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 13:31:32,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:32,308 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:31:32,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:32,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4268 states to 1530 states and 4268 transitions. [2018-11-18 13:31:32,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1530 states and 4268 transitions. [2018-11-18 13:31:32,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 13:31:32,327 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:32,338 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:32,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:32,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4269 states to 1531 states and 4269 transitions. [2018-11-18 13:31:32,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 4269 transitions. [2018-11-18 13:31:32,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 13:31:32,367 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:32,379 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:32,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:32,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4272 states to 1533 states and 4272 transitions. [2018-11-18 13:31:32,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 4272 transitions. [2018-11-18 13:31:32,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 13:31:32,424 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:32,436 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:31:32,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:32,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4273 states to 1534 states and 4273 transitions. [2018-11-18 13:31:32,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 4273 transitions. [2018-11-18 13:31:32,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 13:31:32,461 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:32,472 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:32,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:32,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4275 states to 1536 states and 4275 transitions. [2018-11-18 13:31:32,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1536 states and 4275 transitions. [2018-11-18 13:31:32,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 13:31:32,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:32,524 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 13:31:32,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:32,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4277 states to 1538 states and 4277 transitions. [2018-11-18 13:31:32,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 4277 transitions. [2018-11-18 13:31:32,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 13:31:32,547 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:32,559 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:32,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:32,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4280 states to 1540 states and 4280 transitions. [2018-11-18 13:31:32,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 4280 transitions. [2018-11-18 13:31:32,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 13:31:32,615 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:32,627 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:32,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:32,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4280 states to 1541 states and 4280 transitions. [2018-11-18 13:31:32,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 4280 transitions. [2018-11-18 13:31:32,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 13:31:32,664 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:32,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:32,677 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 13:31:32,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:32,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4282 states to 1543 states and 4282 transitions. [2018-11-18 13:31:32,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 4282 transitions. [2018-11-18 13:31:32,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 13:31:32,698 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:32,709 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 13:31:32,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:32,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4285 states to 1545 states and 4285 transitions. [2018-11-18 13:31:32,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 4285 transitions. [2018-11-18 13:31:32,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 13:31:32,727 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:32,740 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:31:32,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:32,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4285 states to 1546 states and 4285 transitions. [2018-11-18 13:31:32,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 4285 transitions. [2018-11-18 13:31:32,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 13:31:32,773 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:32,784 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 13:31:32,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:32,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4285 states to 1547 states and 4285 transitions. [2018-11-18 13:31:32,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 4285 transitions. [2018-11-18 13:31:32,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 13:31:32,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:31:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:32,815 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 13:31:32,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:31:32,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 181 states and 255 transitions. [2018-11-18 13:31:32,839 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 255 transitions. [2018-11-18 13:31:32,839 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:31:32,839 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 709 iterations. [2018-11-18 13:31:32,846 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 13:31:33,390 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:31:33,392 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-18 13:31:33,397 INFO L579 CodeCheckObserver]: Invariant with dag size 22 [2018-11-18 13:31:33,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 01:31:33 ImpRootNode [2018-11-18 13:31:33,398 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 13:31:33,399 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:31:33,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:31:33,399 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:31:33,399 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:30:40" (3/4) ... [2018-11-18 13:31:33,402 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:31:33,420 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-18 13:31:33,420 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 13:31:33,420 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 13:31:33,446 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d1c5a5ca-8ff5-4038-8aaf-f6bd64aafff4/bin-2019/ukojak/witness.graphml [2018-11-18 13:31:33,446 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:31:33,448 INFO L168 Benchmark]: Toolchain (without parser) took 54931.45 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.7 GB). Free memory was 949.6 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 164.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:31:33,449 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:31:33,450 INFO L168 Benchmark]: CACSL2BoogieTranslator took 763.91 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 812.2 MB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:31:33,450 INFO L168 Benchmark]: Boogie Procedure Inliner took 208.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 812.2 MB in the beginning and 1.1 GB in the end (delta: -318.3 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:31:33,450 INFO L168 Benchmark]: Boogie Preprocessor took 86.90 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: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:31:33,450 INFO L168 Benchmark]: RCFGBuilder took 1280.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 904.8 MB in the end (delta: 213.0 MB). Peak memory consumption was 213.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:31:33,451 INFO L168 Benchmark]: CodeCheck took 52541.03 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 904.8 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-11-18 13:31:33,451 INFO L168 Benchmark]: Witness Printer took 47.84 ms. Allocated memory is still 2.7 GB. Free memory is still 2.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:31:33,452 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, 237 locations, 1 error locations. SAFE Result, 51.9s OverallTime, 709 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16777216 SDtfs, -2056263354 SDslu, 66767898 SDs, 0 SdLazy, 847627532 SolverSat, 134348800 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2495.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1058312 GetRequests, 1050907 SyntacticMatches, 6805 SemanticMatches, 600 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 537967 ImplicationChecksByTransitivity, 28.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 41941 NumberOfCodeBlocks, 41941 NumberOfCodeBlocksAsserted, 708 NumberOfCheckSat, 41233 ConstructedInterpolants, 0 QuantifiedInterpolants, 6282826 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 708 InterpolantComputations, 385 PerfectInterpolantSequences, 18043/22489 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: 1254]: 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: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: q == 0 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((q == 3 && this_m_conn == 1) && this_m_delta == 1) && this_m_conn_data_listener == 1) || q == 0) || (((this_m_conn == 1 && this_m_delta == 1) && q == 4) && this_m_conn_data_listener == 0)) || (((this_m_delta == 1 && this_m_conn == 0) && this_m_conn_data_listener == 0) && q == 2) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 763.91 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 812.2 MB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 208.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 812.2 MB in the beginning and 1.1 GB in the end (delta: -318.3 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 86.90 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: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1280.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 904.8 MB in the end (delta: 213.0 MB). Peak memory consumption was 213.0 MB. Max. memory is 11.5 GB. * CodeCheck took 52541.03 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 904.8 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. * Witness Printer took 47.84 ms. Allocated memory is still 2.7 GB. Free memory is still 2.4 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...