./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label58_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0ce5c53a-e298-4230-8201-2d03e2fdc66b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0ce5c53a-e298-4230-8201-2d03e2fdc66b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0ce5c53a-e298-4230-8201-2d03e2fdc66b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0ce5c53a-e298-4230-8201-2d03e2fdc66b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label58_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0ce5c53a-e298-4230-8201-2d03e2fdc66b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0ce5c53a-e298-4230-8201-2d03e2fdc66b/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 1913ae3f80b8ac66a65ed26ad92a6851274156ea ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:30:11,036 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:30:11,038 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:30:11,047 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:30:11,047 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:30:11,048 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:30:11,049 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:30:11,051 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:30:11,052 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:30:11,053 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:30:11,054 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:30:11,054 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:30:11,055 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:30:11,055 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:30:11,056 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:30:11,057 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:30:11,057 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:30:11,059 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:30:11,061 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:30:11,062 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:30:11,063 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:30:11,064 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:30:11,066 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:30:11,066 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:30:11,066 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:30:11,067 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:30:11,068 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:30:11,069 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:30:11,070 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:30:11,071 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:30:11,071 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:30:11,071 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:30:11,072 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:30:11,072 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:30:11,073 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:30:11,074 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:30:11,074 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0ce5c53a-e298-4230-8201-2d03e2fdc66b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 22:30:11,085 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:30:11,085 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:30:11,086 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:30:11,086 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:30:11,087 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:30:11,087 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:30:11,087 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:30:11,087 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:30:11,087 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:30:11,087 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:30:11,089 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:30:11,089 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:30:11,089 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:30:11,089 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:30:11,089 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:30:11,089 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:30:11,089 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:30:11,090 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:30:11,090 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:30:11,090 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:30:11,090 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:30:11,090 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:30:11,090 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:30:11,090 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:30:11,091 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:30:11,091 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 22:30:11,091 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:30:11,091 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:30:11,091 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_0ce5c53a-e298-4230-8201-2d03e2fdc66b/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 -> 1913ae3f80b8ac66a65ed26ad92a6851274156ea [2018-10-26 22:30:11,119 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:30:11,127 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:30:11,130 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:30:11,131 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:30:11,131 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:30:11,132 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0ce5c53a-e298-4230-8201-2d03e2fdc66b/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label58_true-unreach-call_false-termination.c [2018-10-26 22:30:11,181 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0ce5c53a-e298-4230-8201-2d03e2fdc66b/bin-2019/ukojak/data/22a37950e/5a455bce030345c681b73170c15b3d85/FLAG13bcf327e [2018-10-26 22:30:11,628 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:30:11,629 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0ce5c53a-e298-4230-8201-2d03e2fdc66b/sv-benchmarks/c/eca-rers2012/Problem02_label58_true-unreach-call_false-termination.c [2018-10-26 22:30:11,639 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0ce5c53a-e298-4230-8201-2d03e2fdc66b/bin-2019/ukojak/data/22a37950e/5a455bce030345c681b73170c15b3d85/FLAG13bcf327e [2018-10-26 22:30:11,657 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0ce5c53a-e298-4230-8201-2d03e2fdc66b/bin-2019/ukojak/data/22a37950e/5a455bce030345c681b73170c15b3d85 [2018-10-26 22:30:11,659 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:30:11,660 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:30:11,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:30:11,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:30:11,665 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:30:11,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:30:11" (1/1) ... [2018-10-26 22:30:11,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@614c8908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:11, skipping insertion in model container [2018-10-26 22:30:11,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:30:11" (1/1) ... [2018-10-26 22:30:11,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:30:11,735 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:30:12,003 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:30:12,007 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:30:12,130 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:30:12,147 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:30:12,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:12 WrapperNode [2018-10-26 22:30:12,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:30:12,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:30:12,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:30:12,149 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:30:12,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:12" (1/1) ... [2018-10-26 22:30:12,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:12" (1/1) ... [2018-10-26 22:30:12,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:30:12,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:30:12,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:30:12,277 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:30:12,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:12" (1/1) ... [2018-10-26 22:30:12,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:12" (1/1) ... [2018-10-26 22:30:12,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:12" (1/1) ... [2018-10-26 22:30:12,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:12" (1/1) ... [2018-10-26 22:30:12,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:12" (1/1) ... [2018-10-26 22:30:12,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:12" (1/1) ... [2018-10-26 22:30:12,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:12" (1/1) ... [2018-10-26 22:30:12,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:30:12,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:30:12,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:30:12,344 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:30:12,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ce5c53a-e298-4230-8201-2d03e2fdc66b/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 [2018-10-26 22:30:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 22:30:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:30:12,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:30:16,731 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:30:16,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:30:16 BoogieIcfgContainer [2018-10-26 22:30:16,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:30:16,732 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:30:16,732 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:30:16,741 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:30:16,741 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:30:16" (1/1) ... [2018-10-26 22:30:16,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:30:16,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:16,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-10-26 22:30:16,777 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-10-26 22:30:16,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-26 22:30:16,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:17,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:17,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:17,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 165 states and 242 transitions. [2018-10-26 22:30:17,810 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 242 transitions. [2018-10-26 22:30:17,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 22:30:17,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:17,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:30:18,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:18,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 166 states and 245 transitions. [2018-10-26 22:30:18,126 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 245 transitions. [2018-10-26 22:30:18,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 22:30:18,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:18,266 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:18,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:18,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 184 states and 271 transitions. [2018-10-26 22:30:18,441 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 271 transitions. [2018-10-26 22:30:18,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-26 22:30:18,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:18,590 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:19,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:19,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 203 states and 296 transitions. [2018-10-26 22:30:19,061 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 296 transitions. [2018-10-26 22:30:19,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-26 22:30:19,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:19,202 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:19,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:19,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 222 states and 324 transitions. [2018-10-26 22:30:19,753 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 324 transitions. [2018-10-26 22:30:19,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 22:30:19,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:20,352 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:30:20,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:20,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 246 states and 361 transitions. [2018-10-26 22:30:20,993 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 361 transitions. [2018-10-26 22:30:20,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 22:30:20,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:21,039 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:30:21,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:21,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 250 states and 367 transitions. [2018-10-26 22:30:21,181 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 367 transitions. [2018-10-26 22:30:21,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 22:30:21,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:21,210 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:30:21,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:21,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 264 states and 383 transitions. [2018-10-26 22:30:21,744 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 383 transitions. [2018-10-26 22:30:21,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 22:30:21,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:21,770 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:22,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:22,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 269 states and 389 transitions. [2018-10-26 22:30:22,069 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 389 transitions. [2018-10-26 22:30:22,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 22:30:22,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:22,147 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:22,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:22,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 293 states and 424 transitions. [2018-10-26 22:30:22,841 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 424 transitions. [2018-10-26 22:30:22,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-26 22:30:22,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:22,866 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:23,405 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-26 22:30:23,952 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 22:30:24,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:24,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 298 states and 432 transitions. [2018-10-26 22:30:24,141 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 432 transitions. [2018-10-26 22:30:24,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-26 22:30:24,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:24,169 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:24,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:24,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 302 states and 437 transitions. [2018-10-26 22:30:24,613 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 437 transitions. [2018-10-26 22:30:24,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 22:30:24,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:25,498 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:30:26,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:26,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 382 states and 520 transitions. [2018-10-26 22:30:26,349 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 520 transitions. [2018-10-26 22:30:26,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-26 22:30:26,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:26,406 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:26,872 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 22:30:27,372 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 22:30:27,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:27,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 401 states and 543 transitions. [2018-10-26 22:30:27,786 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 543 transitions. [2018-10-26 22:30:27,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-26 22:30:27,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:27,813 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:27,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:27,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 403 states and 544 transitions. [2018-10-26 22:30:27,936 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 544 transitions. [2018-10-26 22:30:27,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-26 22:30:27,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:28,015 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:28,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:28,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 410 states and 552 transitions. [2018-10-26 22:30:28,281 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 552 transitions. [2018-10-26 22:30:28,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 22:30:28,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:28,383 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:29,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:29,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 433 states and 587 transitions. [2018-10-26 22:30:29,316 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 587 transitions. [2018-10-26 22:30:29,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 22:30:29,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:29,444 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:29,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:29,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 437 states and 591 transitions. [2018-10-26 22:30:29,571 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 591 transitions. [2018-10-26 22:30:29,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 22:30:29,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:29,675 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:29,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:29,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 441 states and 597 transitions. [2018-10-26 22:30:29,800 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 597 transitions. [2018-10-26 22:30:29,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 22:30:29,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:29,943 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:30,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:30,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 456 states and 614 transitions. [2018-10-26 22:30:30,451 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 614 transitions. [2018-10-26 22:30:30,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 22:30:30,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:30,511 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:30,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:30,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 460 states and 618 transitions. [2018-10-26 22:30:30,703 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 618 transitions. [2018-10-26 22:30:30,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 22:30:30,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:30,901 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:31,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:31,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 464 states and 622 transitions. [2018-10-26 22:30:31,038 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 622 transitions. [2018-10-26 22:30:31,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-26 22:30:31,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:31,082 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:31,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:31,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 478 states and 640 transitions. [2018-10-26 22:30:31,482 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 640 transitions. [2018-10-26 22:30:31,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-26 22:30:31,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:33,420 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-10-26 22:30:34,156 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:35,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:35,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 512 states and 686 transitions. [2018-10-26 22:30:35,690 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 686 transitions. [2018-10-26 22:30:35,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 22:30:35,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:35,856 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:36,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:36,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 524 states and 702 transitions. [2018-10-26 22:30:36,575 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 702 transitions. [2018-10-26 22:30:36,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 22:30:36,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:36,946 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:37,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:37,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 527 states and 708 transitions. [2018-10-26 22:30:37,327 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 708 transitions. [2018-10-26 22:30:37,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-26 22:30:37,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:37,357 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:38,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:38,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 537 states and 722 transitions. [2018-10-26 22:30:38,197 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 722 transitions. [2018-10-26 22:30:38,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-26 22:30:38,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:38,224 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:39,116 WARN L179 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-10-26 22:30:39,896 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-26 22:30:40,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:40,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 538 states and 722 transitions. [2018-10-26 22:30:40,174 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 722 transitions. [2018-10-26 22:30:40,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-26 22:30:40,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:40,199 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:40,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:41,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 549 states and 734 transitions. [2018-10-26 22:30:41,000 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 734 transitions. [2018-10-26 22:30:41,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-26 22:30:41,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:41,026 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:41,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:41,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 550 states and 734 transitions. [2018-10-26 22:30:41,694 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 734 transitions. [2018-10-26 22:30:41,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-26 22:30:41,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:42,043 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 48 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:43,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:43,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 574 states and 769 transitions. [2018-10-26 22:30:43,603 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 769 transitions. [2018-10-26 22:30:43,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-26 22:30:43,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:43,644 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 48 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:44,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:44,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 584 states and 782 transitions. [2018-10-26 22:30:44,515 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 782 transitions. [2018-10-26 22:30:44,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-26 22:30:44,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:44,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:44,566 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 48 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:45,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:45,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 595 states and 795 transitions. [2018-10-26 22:30:45,136 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 795 transitions. [2018-10-26 22:30:45,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-26 22:30:45,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:45,185 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 48 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:46,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:46,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 603 states and 806 transitions. [2018-10-26 22:30:46,064 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 806 transitions. [2018-10-26 22:30:46,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-26 22:30:46,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:46,115 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 48 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:46,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:46,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 605 states and 811 transitions. [2018-10-26 22:30:46,472 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 811 transitions. [2018-10-26 22:30:46,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-26 22:30:46,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:46,513 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 48 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:46,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:46,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 606 states and 812 transitions. [2018-10-26 22:30:46,797 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 812 transitions. [2018-10-26 22:30:46,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-26 22:30:46,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:46,885 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 48 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:47,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:47,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 607 states and 813 transitions. [2018-10-26 22:30:47,126 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 813 transitions. [2018-10-26 22:30:47,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-26 22:30:47,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:47,238 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:30:47,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:47,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 610 states and 817 transitions. [2018-10-26 22:30:47,554 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 817 transitions. [2018-10-26 22:30:47,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 22:30:47,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:47,622 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:47,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:47,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 622 states and 830 transitions. [2018-10-26 22:30:47,836 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 830 transitions. [2018-10-26 22:30:47,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 22:30:47,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:47,987 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:48,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:48,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 638 states and 850 transitions. [2018-10-26 22:30:48,393 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 850 transitions. [2018-10-26 22:30:48,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 22:30:48,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:48,510 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:48,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:48,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 642 states and 854 transitions. [2018-10-26 22:30:48,712 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 854 transitions. [2018-10-26 22:30:48,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-26 22:30:48,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:48,834 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:30:49,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:49,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 648 states and 859 transitions. [2018-10-26 22:30:49,096 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 859 transitions. [2018-10-26 22:30:49,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-26 22:30:49,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:49,113 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:30:50,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:50,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 672 states and 890 transitions. [2018-10-26 22:30:50,188 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 890 transitions. [2018-10-26 22:30:50,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-26 22:30:50,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:50,214 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:30:50,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:50,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 676 states and 898 transitions. [2018-10-26 22:30:50,689 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 898 transitions. [2018-10-26 22:30:50,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-26 22:30:50,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:50,707 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:30:51,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:51,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 682 states and 905 transitions. [2018-10-26 22:30:51,222 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 905 transitions. [2018-10-26 22:30:51,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-26 22:30:51,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:51,259 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:51,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:51,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 724 states and 952 transitions. [2018-10-26 22:30:51,851 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 952 transitions. [2018-10-26 22:30:51,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 22:30:51,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:51,957 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:30:52,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:52,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 727 states and 956 transitions. [2018-10-26 22:30:52,511 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 956 transitions. [2018-10-26 22:30:52,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-26 22:30:52,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:52,671 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:52,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:52,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 732 states and 963 transitions. [2018-10-26 22:30:52,910 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 963 transitions. [2018-10-26 22:30:52,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-26 22:30:52,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:52,936 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 22:30:54,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:54,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 763 states and 999 transitions. [2018-10-26 22:30:54,050 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 999 transitions. [2018-10-26 22:30:54,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-26 22:30:54,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:54,078 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 22:30:54,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:54,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 764 states and 999 transitions. [2018-10-26 22:30:54,266 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 999 transitions. [2018-10-26 22:30:54,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 22:30:54,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:54,378 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:30:54,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:54,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 769 states and 1008 transitions. [2018-10-26 22:30:54,909 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1008 transitions. [2018-10-26 22:30:54,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-26 22:30:54,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:54,976 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:30:55,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:55,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 776 states and 1016 transitions. [2018-10-26 22:30:55,289 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1016 transitions. [2018-10-26 22:30:55,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 22:30:55,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:55,328 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:56,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:56,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 791 states and 1035 transitions. [2018-10-26 22:30:56,309 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1035 transitions. [2018-10-26 22:30:56,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 22:30:56,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:56,348 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:56,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:56,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 795 states and 1039 transitions. [2018-10-26 22:30:56,790 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1039 transitions. [2018-10-26 22:30:56,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 22:30:56,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:56,898 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:30:57,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:57,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 800 states and 1044 transitions. [2018-10-26 22:30:57,035 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1044 transitions. [2018-10-26 22:30:57,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 22:30:57,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:57,073 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:57,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:57,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 806 states and 1050 transitions. [2018-10-26 22:30:57,325 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1050 transitions. [2018-10-26 22:30:57,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 22:30:57,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:57,649 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 78 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 22:30:58,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:58,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 826 states and 1076 transitions. [2018-10-26 22:30:58,570 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1076 transitions. [2018-10-26 22:30:58,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-26 22:30:58,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:58,603 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:59,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:59,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 839 states and 1094 transitions. [2018-10-26 22:30:59,488 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1094 transitions. [2018-10-26 22:30:59,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-26 22:30:59,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:59,512 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:59,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:59,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 841 states and 1099 transitions. [2018-10-26 22:30:59,740 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1099 transitions. [2018-10-26 22:30:59,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-26 22:30:59,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:59,778 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:59,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:30:59,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 850 states and 1107 transitions. [2018-10-26 22:30:59,921 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1107 transitions. [2018-10-26 22:30:59,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-26 22:30:59,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:30:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:59,945 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:31:00,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:00,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 857 states and 1113 transitions. [2018-10-26 22:31:00,313 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1113 transitions. [2018-10-26 22:31:00,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-26 22:31:00,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:00,349 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:31:00,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:00,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 868 states and 1125 transitions. [2018-10-26 22:31:00,711 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1125 transitions. [2018-10-26 22:31:00,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-26 22:31:00,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:00,944 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:31:01,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:01,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 907 states and 1167 transitions. [2018-10-26 22:31:01,754 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1167 transitions. [2018-10-26 22:31:01,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-26 22:31:01,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:02,189 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 108 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:31:04,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:04,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 929 states and 1197 transitions. [2018-10-26 22:31:04,036 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1197 transitions. [2018-10-26 22:31:04,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-26 22:31:04,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:04,104 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 108 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:31:04,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:04,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 935 states and 1203 transitions. [2018-10-26 22:31:04,809 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1203 transitions. [2018-10-26 22:31:04,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-26 22:31:04,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:04,844 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-10-26 22:31:05,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:05,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 947 states and 1215 transitions. [2018-10-26 22:31:05,693 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1215 transitions. [2018-10-26 22:31:05,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-26 22:31:05,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:05,726 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-10-26 22:31:06,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:06,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 952 states and 1220 transitions. [2018-10-26 22:31:06,167 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1220 transitions. [2018-10-26 22:31:06,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 22:31:06,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:06,308 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:31:08,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:08,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 997 states and 1269 transitions. [2018-10-26 22:31:08,331 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1269 transitions. [2018-10-26 22:31:08,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-26 22:31:08,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:08,376 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-10-26 22:31:08,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:08,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 998 states and 1269 transitions. [2018-10-26 22:31:08,407 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1269 transitions. [2018-10-26 22:31:08,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-26 22:31:08,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:08,516 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:31:09,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:09,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1016 states and 1288 transitions. [2018-10-26 22:31:09,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1288 transitions. [2018-10-26 22:31:09,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-26 22:31:09,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:09,204 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:31:09,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:09,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1017 states and 1288 transitions. [2018-10-26 22:31:09,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 1288 transitions. [2018-10-26 22:31:09,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-26 22:31:09,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:09,290 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-10-26 22:31:10,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:10,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1112 states and 1384 transitions. [2018-10-26 22:31:10,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1384 transitions. [2018-10-26 22:31:10,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-26 22:31:10,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:10,935 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:31:12,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:12,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1114 states and 1387 transitions. [2018-10-26 22:31:12,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1387 transitions. [2018-10-26 22:31:12,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-26 22:31:12,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:12,404 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:31:12,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:12,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1115 states and 1387 transitions. [2018-10-26 22:31:12,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1387 transitions. [2018-10-26 22:31:12,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-26 22:31:12,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:12,531 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 22:31:13,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:13,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1133 states and 1409 transitions. [2018-10-26 22:31:13,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1409 transitions. [2018-10-26 22:31:13,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-26 22:31:13,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:13,330 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 22:31:13,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:13,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1135 states and 1412 transitions. [2018-10-26 22:31:13,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1412 transitions. [2018-10-26 22:31:13,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-26 22:31:13,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:13,792 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 22:31:14,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:14,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1149 states and 1431 transitions. [2018-10-26 22:31:14,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1431 transitions. [2018-10-26 22:31:14,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-26 22:31:14,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:14,599 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 22:31:15,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:15,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 1163 states and 1448 transitions. [2018-10-26 22:31:15,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1448 transitions. [2018-10-26 22:31:15,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-26 22:31:15,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:15,850 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 22:31:16,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:16,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1173 states and 1459 transitions. [2018-10-26 22:31:16,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1459 transitions. [2018-10-26 22:31:16,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-26 22:31:16,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:16,855 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 22:31:17,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:17,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1186 states and 1471 transitions. [2018-10-26 22:31:17,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1471 transitions. [2018-10-26 22:31:17,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-26 22:31:17,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:17,889 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 22:31:18,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:18,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1187 states and 1471 transitions. [2018-10-26 22:31:18,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1471 transitions. [2018-10-26 22:31:18,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-26 22:31:18,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:18,214 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 22:31:18,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:18,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1481 states to 1196 states and 1481 transitions. [2018-10-26 22:31:18,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1481 transitions. [2018-10-26 22:31:18,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-10-26 22:31:18,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:18,852 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:31:19,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:19,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1224 states and 1510 transitions. [2018-10-26 22:31:19,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1510 transitions. [2018-10-26 22:31:19,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-10-26 22:31:19,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:19,401 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:31:19,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:19,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1225 states and 1510 transitions. [2018-10-26 22:31:19,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1510 transitions. [2018-10-26 22:31:19,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-26 22:31:19,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:19,686 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:31:20,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:20,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 1235 states and 1522 transitions. [2018-10-26 22:31:20,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1522 transitions. [2018-10-26 22:31:20,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-26 22:31:20,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:20,588 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 22:31:21,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:21,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1246 states and 1537 transitions. [2018-10-26 22:31:21,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1537 transitions. [2018-10-26 22:31:21,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-26 22:31:21,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:21,434 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:31:21,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:21,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1249 states and 1540 transitions. [2018-10-26 22:31:21,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1540 transitions. [2018-10-26 22:31:21,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-26 22:31:21,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:21,496 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:31:22,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:22,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1254 states and 1547 transitions. [2018-10-26 22:31:22,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1547 transitions. [2018-10-26 22:31:22,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-26 22:31:22,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:22,121 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:31:22,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:22,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1258 states and 1552 transitions. [2018-10-26 22:31:22,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1552 transitions. [2018-10-26 22:31:22,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-26 22:31:22,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:22,487 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:31:23,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:23,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1285 states and 1578 transitions. [2018-10-26 22:31:23,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1578 transitions. [2018-10-26 22:31:23,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-26 22:31:23,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:23,464 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:31:23,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:23,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1294 states and 1587 transitions. [2018-10-26 22:31:23,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1587 transitions. [2018-10-26 22:31:23,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 22:31:23,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:23,973 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 22:31:24,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:24,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1300 states and 1594 transitions. [2018-10-26 22:31:24,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1594 transitions. [2018-10-26 22:31:24,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 22:31:24,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:24,944 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 22:31:25,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:25,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1305 states and 1601 transitions. [2018-10-26 22:31:25,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1601 transitions. [2018-10-26 22:31:25,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-26 22:31:25,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:25,634 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:31:28,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:28,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 1349 states and 1653 transitions. [2018-10-26 22:31:28,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1653 transitions. [2018-10-26 22:31:28,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-26 22:31:28,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:28,309 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:31:29,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:29,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1376 states and 1679 transitions. [2018-10-26 22:31:29,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1679 transitions. [2018-10-26 22:31:29,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-10-26 22:31:29,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:29,223 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-10-26 22:31:29,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:29,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1382 states and 1686 transitions. [2018-10-26 22:31:29,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1686 transitions. [2018-10-26 22:31:29,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 22:31:29,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:29,820 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:31:32,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:32,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1420 states and 1733 transitions. [2018-10-26 22:31:32,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1733 transitions. [2018-10-26 22:31:32,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 22:31:32,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:32,365 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:31:32,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:32,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 1428 states and 1744 transitions. [2018-10-26 22:31:32,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1744 transitions. [2018-10-26 22:31:32,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 22:31:32,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:32,760 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:31:33,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:33,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1445 states and 1762 transitions. [2018-10-26 22:31:33,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1762 transitions. [2018-10-26 22:31:33,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 22:31:33,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:33,668 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:31:33,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:33,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 1449 states and 1766 transitions. [2018-10-26 22:31:33,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1766 transitions. [2018-10-26 22:31:33,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 22:31:33,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:33,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:34,009 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:31:34,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:34,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1453 states and 1770 transitions. [2018-10-26 22:31:34,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 1770 transitions. [2018-10-26 22:31:34,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 22:31:34,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:34,510 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:31:34,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:34,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1457 states and 1776 transitions. [2018-10-26 22:31:34,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 1776 transitions. [2018-10-26 22:31:34,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 22:31:34,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:34,950 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:31:35,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:35,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 1469 states and 1789 transitions. [2018-10-26 22:31:35,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 1789 transitions. [2018-10-26 22:31:35,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 22:31:35,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:35,503 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:31:35,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:35,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1473 states and 1793 transitions. [2018-10-26 22:31:35,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1793 transitions. [2018-10-26 22:31:35,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 22:31:35,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:35,872 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:31:36,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:36,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1474 states and 1794 transitions. [2018-10-26 22:31:36,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 1794 transitions. [2018-10-26 22:31:36,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 22:31:36,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:36,229 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:31:36,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:36,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 1478 states and 1798 transitions. [2018-10-26 22:31:36,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 1798 transitions. [2018-10-26 22:31:36,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-26 22:31:36,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:36,571 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-10-26 22:31:38,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:38,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1828 states to 1500 states and 1828 transitions. [2018-10-26 22:31:38,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1828 transitions. [2018-10-26 22:31:38,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-26 22:31:38,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:38,119 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 22:31:38,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:38,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1527 states and 1855 transitions. [2018-10-26 22:31:38,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 1855 transitions. [2018-10-26 22:31:38,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-26 22:31:38,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:38,873 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-10-26 22:31:39,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:39,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1535 states and 1863 transitions. [2018-10-26 22:31:39,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 1863 transitions. [2018-10-26 22:31:39,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-26 22:31:39,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:39,526 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 22:31:39,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:39,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 1540 states and 1867 transitions. [2018-10-26 22:31:39,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 1867 transitions. [2018-10-26 22:31:39,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 22:31:39,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:39,675 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-10-26 22:31:39,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:39,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1546 states and 1875 transitions. [2018-10-26 22:31:39,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 1875 transitions. [2018-10-26 22:31:39,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-26 22:31:39,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:39,942 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 109 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:31:40,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:40,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1555 states and 1885 transitions. [2018-10-26 22:31:40,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 1885 transitions. [2018-10-26 22:31:40,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-26 22:31:40,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:40,413 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 109 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:31:41,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:41,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 1565 states and 1898 transitions. [2018-10-26 22:31:41,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 1898 transitions. [2018-10-26 22:31:41,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-26 22:31:41,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:41,645 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 109 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:31:42,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:42,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 1572 states and 1905 transitions. [2018-10-26 22:31:42,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 1905 transitions. [2018-10-26 22:31:42,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 22:31:42,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:42,652 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 22:31:44,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:44,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1937 states to 1599 states and 1937 transitions. [2018-10-26 22:31:44,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 1937 transitions. [2018-10-26 22:31:44,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 22:31:44,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:44,794 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 22:31:45,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:45,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1608 states and 1951 transitions. [2018-10-26 22:31:45,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 1951 transitions. [2018-10-26 22:31:45,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 22:31:45,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:45,262 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 22:31:45,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:45,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 1613 states and 1959 transitions. [2018-10-26 22:31:45,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1613 states and 1959 transitions. [2018-10-26 22:31:45,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 22:31:45,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:45,668 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 22:31:46,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:46,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1973 states to 1623 states and 1973 transitions. [2018-10-26 22:31:46,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1623 states and 1973 transitions. [2018-10-26 22:31:46,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 22:31:46,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:46,659 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 22:31:47,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:47,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1628 states and 1978 transitions. [2018-10-26 22:31:47,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 1978 transitions. [2018-10-26 22:31:47,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 22:31:47,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:47,066 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 22:31:47,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:47,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1982 states to 1632 states and 1982 transitions. [2018-10-26 22:31:47,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 1982 transitions. [2018-10-26 22:31:47,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 22:31:47,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:47,652 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 22:31:48,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:48,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1636 states and 1986 transitions. [2018-10-26 22:31:48,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 1986 transitions. [2018-10-26 22:31:48,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 22:31:48,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:48,101 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 22:31:48,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:48,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1990 states to 1640 states and 1990 transitions. [2018-10-26 22:31:48,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 1990 transitions. [2018-10-26 22:31:48,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 22:31:48,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:48,526 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 22:31:48,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:48,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1644 states and 1994 transitions. [2018-10-26 22:31:48,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1644 states and 1994 transitions. [2018-10-26 22:31:48,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 22:31:48,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:48,916 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 120 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 22:31:48,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:48,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2008 states to 1657 states and 2008 transitions. [2018-10-26 22:31:48,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 2008 transitions. [2018-10-26 22:31:48,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-26 22:31:48,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:49,156 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 22:31:50,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:50,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2028 states to 1673 states and 2028 transitions. [2018-10-26 22:31:50,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 2028 transitions. [2018-10-26 22:31:50,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-10-26 22:31:50,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:50,478 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-10-26 22:31:50,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:50,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2056 states to 1698 states and 2056 transitions. [2018-10-26 22:31:50,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 2056 transitions. [2018-10-26 22:31:50,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-26 22:31:50,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:50,658 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:31:53,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:53,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2090 states to 1721 states and 2090 transitions. [2018-10-26 22:31:53,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2090 transitions. [2018-10-26 22:31:53,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-26 22:31:53,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:53,256 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:31:54,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:54,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 1734 states and 2102 transitions. [2018-10-26 22:31:54,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2102 transitions. [2018-10-26 22:31:54,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-26 22:31:54,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:54,084 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:31:54,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:54,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 1735 states and 2102 transitions. [2018-10-26 22:31:54,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2102 transitions. [2018-10-26 22:31:54,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-26 22:31:54,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:54,461 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:31:54,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:54,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 1736 states and 2105 transitions. [2018-10-26 22:31:54,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2105 transitions. [2018-10-26 22:31:54,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-26 22:31:54,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:54,907 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 22:31:55,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:55,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 1778 states and 2151 transitions. [2018-10-26 22:31:55,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 2151 transitions. [2018-10-26 22:31:55,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-26 22:31:55,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:55,765 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 22:31:56,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:56,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 1783 states and 2158 transitions. [2018-10-26 22:31:56,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 2158 transitions. [2018-10-26 22:31:56,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 22:31:56,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:56,490 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 125 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:31:56,680 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 9 [2018-10-26 22:31:58,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:58,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 1802 states and 2187 transitions. [2018-10-26 22:31:58,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2187 transitions. [2018-10-26 22:31:58,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 22:31:58,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:58,946 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 125 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:31:59,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:59,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 1806 states and 2192 transitions. [2018-10-26 22:31:59,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2192 transitions. [2018-10-26 22:31:59,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 22:31:59,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:31:59,472 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 125 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:31:59,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:31:59,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 1811 states and 2197 transitions. [2018-10-26 22:31:59,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2197 transitions. [2018-10-26 22:31:59,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 22:31:59,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:31:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:00,026 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 125 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:32:00,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:00,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 1815 states and 2203 transitions. [2018-10-26 22:32:00,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2203 transitions. [2018-10-26 22:32:00,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 22:32:00,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:00,644 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 125 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:32:01,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:01,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 1827 states and 2218 transitions. [2018-10-26 22:32:01,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2218 transitions. [2018-10-26 22:32:01,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 22:32:01,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:01,417 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 125 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:32:01,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:01,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 1832 states and 2226 transitions. [2018-10-26 22:32:01,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1832 states and 2226 transitions. [2018-10-26 22:32:01,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 22:32:01,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:02,189 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 125 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:32:02,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:02,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2230 states to 1836 states and 2230 transitions. [2018-10-26 22:32:02,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2230 transitions. [2018-10-26 22:32:02,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 22:32:02,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:02,882 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 125 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:32:03,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:03,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 1840 states and 2234 transitions. [2018-10-26 22:32:03,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2234 transitions. [2018-10-26 22:32:03,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 22:32:03,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:03,668 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 125 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:32:04,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:04,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 1850 states and 2244 transitions. [2018-10-26 22:32:04,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2244 transitions. [2018-10-26 22:32:04,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 22:32:04,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:04,375 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 125 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:32:04,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:04,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2248 states to 1854 states and 2248 transitions. [2018-10-26 22:32:04,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1854 states and 2248 transitions. [2018-10-26 22:32:04,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-10-26 22:32:04,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:04,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:04,860 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-26 22:32:06,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:06,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2267 states to 1867 states and 2267 transitions. [2018-10-26 22:32:06,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1867 states and 2267 transitions. [2018-10-26 22:32:06,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-10-26 22:32:06,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:06,127 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-26 22:32:06,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:06,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2268 states to 1868 states and 2268 transitions. [2018-10-26 22:32:06,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2268 transitions. [2018-10-26 22:32:06,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-10-26 22:32:06,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:06,647 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-26 22:32:07,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:07,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2284 states to 1884 states and 2284 transitions. [2018-10-26 22:32:07,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1884 states and 2284 transitions. [2018-10-26 22:32:07,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-26 22:32:07,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:07,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:07,543 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 167 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 22:32:07,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:07,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 1889 states and 2289 transitions. [2018-10-26 22:32:07,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2289 transitions. [2018-10-26 22:32:07,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-26 22:32:07,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:08,002 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 22:32:08,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:08,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2293 states to 1894 states and 2293 transitions. [2018-10-26 22:32:08,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1894 states and 2293 transitions. [2018-10-26 22:32:08,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-26 22:32:08,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:08,475 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 22:32:08,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:08,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2294 states to 1895 states and 2294 transitions. [2018-10-26 22:32:08,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 2294 transitions. [2018-10-26 22:32:08,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-26 22:32:08,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:08,940 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 22:32:09,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:09,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2300 states to 1901 states and 2300 transitions. [2018-10-26 22:32:09,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 2300 transitions. [2018-10-26 22:32:09,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-10-26 22:32:09,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:09,207 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-26 22:32:10,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:10,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 1910 states and 2314 transitions. [2018-10-26 22:32:10,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 2314 transitions. [2018-10-26 22:32:10,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-10-26 22:32:10,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:10,795 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-26 22:32:10,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:10,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 1914 states and 2318 transitions. [2018-10-26 22:32:10,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2318 transitions. [2018-10-26 22:32:10,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-10-26 22:32:10,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:10,875 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-26 22:32:11,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:11,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2319 states to 1915 states and 2319 transitions. [2018-10-26 22:32:11,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1915 states and 2319 transitions. [2018-10-26 22:32:11,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-26 22:32:11,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:11,130 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:32:11,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:11,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 1953 states and 2360 transitions. [2018-10-26 22:32:11,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1953 states and 2360 transitions. [2018-10-26 22:32:11,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-26 22:32:11,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:11,315 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:32:11,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:11,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 1954 states and 2360 transitions. [2018-10-26 22:32:11,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2360 transitions. [2018-10-26 22:32:11,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-26 22:32:11,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:11,593 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 22:32:13,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:13,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 1994 states and 2405 transitions. [2018-10-26 22:32:13,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2405 transitions. [2018-10-26 22:32:13,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-26 22:32:13,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:13,224 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 22:32:13,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:13,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 1996 states and 2406 transitions. [2018-10-26 22:32:13,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1996 states and 2406 transitions. [2018-10-26 22:32:13,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-26 22:32:13,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:13,519 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 22:32:13,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:13,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2407 states to 1998 states and 2407 transitions. [2018-10-26 22:32:13,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1998 states and 2407 transitions. [2018-10-26 22:32:13,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-26 22:32:13,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:13,832 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 22:32:14,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:14,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 2078 states and 2490 transitions. [2018-10-26 22:32:14,664 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 2490 transitions. [2018-10-26 22:32:14,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-26 22:32:14,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:14,703 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-10-26 22:32:15,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:15,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2092 states and 2507 transitions. [2018-10-26 22:32:15,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2092 states and 2507 transitions. [2018-10-26 22:32:15,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-26 22:32:15,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:15,793 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-10-26 22:32:16,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:16,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2517 states to 2103 states and 2517 transitions. [2018-10-26 22:32:16,226 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 2517 transitions. [2018-10-26 22:32:16,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-26 22:32:16,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:16,281 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-10-26 22:32:16,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:16,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2526 states to 2113 states and 2526 transitions. [2018-10-26 22:32:16,734 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states and 2526 transitions. [2018-10-26 22:32:16,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-10-26 22:32:16,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:17,949 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-26 22:32:21,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:21,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2583 states to 2167 states and 2583 transitions. [2018-10-26 22:32:21,697 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2583 transitions. [2018-10-26 22:32:21,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-10-26 22:32:21,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:21,767 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-10-26 22:32:22,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:22,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2586 states to 2171 states and 2586 transitions. [2018-10-26 22:32:22,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2171 states and 2586 transitions. [2018-10-26 22:32:22,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-10-26 22:32:22,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:22,052 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 177 proven. 1 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 22:32:22,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:22,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2597 states to 2182 states and 2597 transitions. [2018-10-26 22:32:22,289 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2597 transitions. [2018-10-26 22:32:22,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-10-26 22:32:22,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:22,351 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 177 proven. 1 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 22:32:22,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:22,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2601 states to 2186 states and 2601 transitions. [2018-10-26 22:32:22,969 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 2601 transitions. [2018-10-26 22:32:22,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-10-26 22:32:22,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:23,036 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-10-26 22:32:23,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:23,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2194 states and 2609 transitions. [2018-10-26 22:32:23,892 INFO L276 IsEmpty]: Start isEmpty. Operand 2194 states and 2609 transitions. [2018-10-26 22:32:23,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-10-26 22:32:23,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:23,957 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-10-26 22:32:24,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:24,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 2202 states and 2617 transitions. [2018-10-26 22:32:24,467 INFO L276 IsEmpty]: Start isEmpty. Operand 2202 states and 2617 transitions. [2018-10-26 22:32:24,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-10-26 22:32:24,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:24,522 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-26 22:32:24,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:24,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2657 states to 2243 states and 2657 transitions. [2018-10-26 22:32:24,938 INFO L276 IsEmpty]: Start isEmpty. Operand 2243 states and 2657 transitions. [2018-10-26 22:32:24,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-26 22:32:24,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:24,986 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 189 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-10-26 22:32:26,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:26,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2675 states to 2261 states and 2675 transitions. [2018-10-26 22:32:26,319 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2675 transitions. [2018-10-26 22:32:26,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-26 22:32:26,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:26,396 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 189 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-10-26 22:32:27,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:27,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2679 states to 2265 states and 2679 transitions. [2018-10-26 22:32:27,124 INFO L276 IsEmpty]: Start isEmpty. Operand 2265 states and 2679 transitions. [2018-10-26 22:32:27,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-10-26 22:32:27,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:29,534 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-10-26 22:32:34,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:34,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2747 states to 2334 states and 2747 transitions. [2018-10-26 22:32:34,118 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 2747 transitions. [2018-10-26 22:32:34,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-10-26 22:32:34,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:35,714 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-26 22:32:38,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:38,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2366 states and 2785 transitions. [2018-10-26 22:32:38,217 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 2785 transitions. [2018-10-26 22:32:38,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-10-26 22:32:38,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:38,364 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-26 22:32:39,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:39,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 2390 states and 2808 transitions. [2018-10-26 22:32:39,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2390 states and 2808 transitions. [2018-10-26 22:32:39,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-10-26 22:32:39,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:39,315 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-10-26 22:32:39,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:39,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 2391 states and 2808 transitions. [2018-10-26 22:32:39,375 INFO L276 IsEmpty]: Start isEmpty. Operand 2391 states and 2808 transitions. [2018-10-26 22:32:39,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-10-26 22:32:39,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:41,102 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 324 proven. 28 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-26 22:32:44,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:44,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 2412 states and 2836 transitions. [2018-10-26 22:32:44,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2412 states and 2836 transitions. [2018-10-26 22:32:44,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-10-26 22:32:44,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:44,958 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-26 22:32:45,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:45,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2845 states to 2419 states and 2845 transitions. [2018-10-26 22:32:45,865 INFO L276 IsEmpty]: Start isEmpty. Operand 2419 states and 2845 transitions. [2018-10-26 22:32:45,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-10-26 22:32:45,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:46,114 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-10-26 22:32:48,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:48,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 2466 states and 2893 transitions. [2018-10-26 22:32:48,450 INFO L276 IsEmpty]: Start isEmpty. Operand 2466 states and 2893 transitions. [2018-10-26 22:32:48,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-10-26 22:32:48,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:48,577 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-10-26 22:32:49,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:49,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 2476 states and 2902 transitions. [2018-10-26 22:32:49,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2476 states and 2902 transitions. [2018-10-26 22:32:49,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-10-26 22:32:49,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:49,609 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-10-26 22:32:50,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:50,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2483 states and 2909 transitions. [2018-10-26 22:32:50,320 INFO L276 IsEmpty]: Start isEmpty. Operand 2483 states and 2909 transitions. [2018-10-26 22:32:50,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-10-26 22:32:50,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:50,378 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-10-26 22:32:50,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:50,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2913 states to 2487 states and 2913 transitions. [2018-10-26 22:32:50,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 2913 transitions. [2018-10-26 22:32:50,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-10-26 22:32:50,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:50,736 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 345 proven. 42 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-26 22:32:51,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:51,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 2494 states and 2922 transitions. [2018-10-26 22:32:51,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2494 states and 2922 transitions. [2018-10-26 22:32:51,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-26 22:32:51,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:51,323 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 248 proven. 1 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-10-26 22:32:53,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:53,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2958 states to 2525 states and 2958 transitions. [2018-10-26 22:32:53,622 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 2958 transitions. [2018-10-26 22:32:53,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-26 22:32:53,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:53,681 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 248 proven. 1 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-10-26 22:32:55,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:55,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2987 states to 2554 states and 2987 transitions. [2018-10-26 22:32:55,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2554 states and 2987 transitions. [2018-10-26 22:32:55,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-26 22:32:55,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:55,119 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 248 proven. 1 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-10-26 22:32:55,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:55,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3022 states to 2590 states and 3022 transitions. [2018-10-26 22:32:55,898 INFO L276 IsEmpty]: Start isEmpty. Operand 2590 states and 3022 transitions. [2018-10-26 22:32:55,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-26 22:32:55,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:55,954 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 248 proven. 1 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-10-26 22:32:56,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:56,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3029 states to 2596 states and 3029 transitions. [2018-10-26 22:32:56,020 INFO L276 IsEmpty]: Start isEmpty. Operand 2596 states and 3029 transitions. [2018-10-26 22:32:56,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-26 22:32:56,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:56,314 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 248 proven. 1 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-10-26 22:32:57,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:57,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3047 states to 2613 states and 3047 transitions. [2018-10-26 22:32:57,189 INFO L276 IsEmpty]: Start isEmpty. Operand 2613 states and 3047 transitions. [2018-10-26 22:32:57,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-26 22:32:57,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:57,274 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 248 proven. 1 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-10-26 22:32:57,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:57,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3051 states to 2617 states and 3051 transitions. [2018-10-26 22:32:57,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2617 states and 3051 transitions. [2018-10-26 22:32:57,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-26 22:32:57,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:57,874 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 248 proven. 1 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-10-26 22:32:59,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:32:59,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3067 states to 2632 states and 3067 transitions. [2018-10-26 22:32:59,253 INFO L276 IsEmpty]: Start isEmpty. Operand 2632 states and 3067 transitions. [2018-10-26 22:32:59,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-26 22:32:59,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:32:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:59,329 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 248 proven. 1 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-10-26 22:33:00,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:00,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3072 states to 2637 states and 3072 transitions. [2018-10-26 22:33:00,538 INFO L276 IsEmpty]: Start isEmpty. Operand 2637 states and 3072 transitions. [2018-10-26 22:33:00,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-26 22:33:00,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:00,627 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 248 proven. 1 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-10-26 22:33:01,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:01,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3078 states to 2643 states and 3078 transitions. [2018-10-26 22:33:01,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2643 states and 3078 transitions. [2018-10-26 22:33:01,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-10-26 22:33:01,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:01,422 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 299 proven. 5 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-10-26 22:33:01,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:01,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3110 states to 2676 states and 3110 transitions. [2018-10-26 22:33:01,791 INFO L276 IsEmpty]: Start isEmpty. Operand 2676 states and 3110 transitions. [2018-10-26 22:33:01,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-10-26 22:33:01,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:03,194 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-10-26 22:33:10,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:10,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 2738 states and 3178 transitions. [2018-10-26 22:33:10,154 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3178 transitions. [2018-10-26 22:33:10,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-10-26 22:33:10,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:10,286 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-10-26 22:33:11,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:11,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 2751 states and 3192 transitions. [2018-10-26 22:33:11,732 INFO L276 IsEmpty]: Start isEmpty. Operand 2751 states and 3192 transitions. [2018-10-26 22:33:11,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-10-26 22:33:11,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:11,854 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-10-26 22:33:12,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:12,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 2753 states and 3194 transitions. [2018-10-26 22:33:12,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2753 states and 3194 transitions. [2018-10-26 22:33:12,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-10-26 22:33:12,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:12,484 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-10-26 22:33:14,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:14,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3204 states to 2764 states and 3204 transitions. [2018-10-26 22:33:14,223 INFO L276 IsEmpty]: Start isEmpty. Operand 2764 states and 3204 transitions. [2018-10-26 22:33:14,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-10-26 22:33:14,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:14,356 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-10-26 22:33:15,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:15,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3209 states to 2770 states and 3209 transitions. [2018-10-26 22:33:15,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 3209 transitions. [2018-10-26 22:33:15,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-10-26 22:33:15,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:15,282 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 358 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-10-26 22:33:16,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:16,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3291 states to 2851 states and 3291 transitions. [2018-10-26 22:33:16,395 INFO L276 IsEmpty]: Start isEmpty. Operand 2851 states and 3291 transitions. [2018-10-26 22:33:16,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-10-26 22:33:16,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:17,283 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 380 proven. 61 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-26 22:33:20,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:20,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3334 states to 2890 states and 3334 transitions. [2018-10-26 22:33:20,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2890 states and 3334 transitions. [2018-10-26 22:33:20,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-10-26 22:33:20,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:20,472 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-10-26 22:33:23,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:23,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3384 states to 2938 states and 3384 transitions. [2018-10-26 22:33:23,576 INFO L276 IsEmpty]: Start isEmpty. Operand 2938 states and 3384 transitions. [2018-10-26 22:33:23,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-10-26 22:33:23,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:23,724 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-10-26 22:33:25,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:25,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3401 states to 2957 states and 3401 transitions. [2018-10-26 22:33:25,468 INFO L276 IsEmpty]: Start isEmpty. Operand 2957 states and 3401 transitions. [2018-10-26 22:33:25,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-10-26 22:33:25,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:25,792 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-10-26 22:33:31,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:31,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3445 states to 2993 states and 3445 transitions. [2018-10-26 22:33:31,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2993 states and 3445 transitions. [2018-10-26 22:33:31,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-10-26 22:33:31,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:31,464 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 264 proven. 17 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-10-26 22:33:32,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:32,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3379 states to 2928 states and 3379 transitions. [2018-10-26 22:33:32,054 INFO L276 IsEmpty]: Start isEmpty. Operand 2928 states and 3379 transitions. [2018-10-26 22:33:32,056 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:33:32,056 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 203 iterations. [2018-10-26 22:33:32,066 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 22:33:32,603 WARN L179 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 38 [2018-10-26 22:33:33,035 WARN L179 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 15 [2018-10-26 22:33:33,217 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 15 [2018-10-26 22:33:33,366 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 15 [2018-10-26 22:33:33,780 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2018-10-26 22:33:33,929 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 15 [2018-10-26 22:33:34,421 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 15 [2018-10-26 22:33:34,540 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 15 [2018-10-26 22:33:34,889 WARN L179 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 15 [2018-10-26 22:33:35,035 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 15 [2018-10-26 22:33:35,613 WARN L179 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 38 [2018-10-26 22:33:35,914 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 15 [2018-10-26 22:33:36,115 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 15 [2018-10-26 22:33:36,290 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 15 [2018-10-26 22:33:36,524 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 15 [2018-10-26 22:33:36,804 WARN L179 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 38 [2018-10-26 22:33:37,007 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 15 [2018-10-26 22:33:37,187 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 15 [2018-10-26 22:33:37,321 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 15 [2018-10-26 22:33:37,729 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 15 [2018-10-26 22:33:38,216 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 15 [2018-10-26 22:33:38,357 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 15 [2018-10-26 22:33:38,571 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 15 [2018-10-26 22:33:38,850 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 15 [2018-10-26 22:33:39,036 WARN L179 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 38 [2018-10-26 22:33:39,342 WARN L179 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 15 [2018-10-26 22:33:39,559 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 15 [2018-10-26 22:33:39,724 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 15 [2018-10-26 22:33:39,961 WARN L179 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 15 [2018-10-26 22:33:40,221 WARN L179 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 38 [2018-10-26 22:33:40,438 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:33:40,441 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-10-26 22:33:40,449 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-10-26 22:33:40,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:33:40 ImpRootNode [2018-10-26 22:33:40,450 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:33:40,451 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:33:40,451 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:33:40,451 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:33:40,451 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:30:16" (3/4) ... [2018-10-26 22:33:40,459 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:33:40,482 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-10-26 22:33:40,483 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-10-26 22:33:40,485 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-10-26 22:33:40,486 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 22:33:40,659 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0ce5c53a-e298-4230-8201-2d03e2fdc66b/bin-2019/ukojak/witness.graphml [2018-10-26 22:33:40,664 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:33:40,665 INFO L168 Benchmark]: Toolchain (without parser) took 209004.82 ms. Allocated memory was 1.0 GB in the beginning and 4.3 GB in the end (delta: 3.3 GB). Free memory was 950.4 MB in the beginning and 1.1 GB in the end (delta: -159.9 MB). Peak memory consumption was 3.1 GB. Max. memory is 11.5 GB. [2018-10-26 22:33:40,665 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:33:40,665 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.44 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 920.9 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:33:40,666 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 920.9 MB in the beginning and 1.2 GB in the end (delta: -238.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:33:40,666 INFO L168 Benchmark]: Boogie Preprocessor took 66.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:33:40,666 INFO L168 Benchmark]: RCFGBuilder took 4388.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 920.4 MB in the end (delta: 233.1 MB). Peak memory consumption was 233.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:33:40,667 INFO L168 Benchmark]: CodeCheck took 203718.12 ms. Allocated memory was 1.2 GB in the beginning and 4.3 GB in the end (delta: 3.1 GB). Free memory was 920.4 MB in the beginning and 1.1 GB in the end (delta: -189.8 MB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. [2018-10-26 22:33:40,667 INFO L168 Benchmark]: Witness Printer took 213.10 ms. Allocated memory is still 4.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.8 kB). Peak memory consumption was 5.8 kB. Max. memory is 11.5 GB. [2018-10-26 22:33:40,673 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, 228 locations, 1 error locations. SAFE Result, 195.2s OverallTime, 203 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 544710796 SDtfs, 553312622 SDslu, 63677536 SDs, 0 SdLazy, -650197764 SolverSat, -2104354110 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1018.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 241982 GetRequests, 237908 SyntacticMatches, 2500 SemanticMatches, 1574 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1787853 ImplicationChecksByTransitivity, 167.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.7s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 24.6s InterpolantComputationTime, 37174 NumberOfCodeBlocks, 37174 NumberOfCodeBlocksAsserted, 202 NumberOfCheckSat, 36972 ConstructedInterpolants, 0 QuantifiedInterpolants, 24185218 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 202 InterpolantComputations, 138 PerfectInterpolantSequences, 33264/33918 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: 481]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((!(a11 == 1) || !(a17 == 8)) || a19 == 1) || !(a28 == 11) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((!(a11 == 1) || !(a17 == 8)) || a19 == 1) || !(a28 == 11) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 487.44 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 920.9 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 127.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 920.9 MB in the beginning and 1.2 GB in the end (delta: -238.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4388.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 920.4 MB in the end (delta: 233.1 MB). Peak memory consumption was 233.1 MB. Max. memory is 11.5 GB. * CodeCheck took 203718.12 ms. Allocated memory was 1.2 GB in the beginning and 4.3 GB in the end (delta: 3.1 GB). Free memory was 920.4 MB in the beginning and 1.1 GB in the end (delta: -189.8 MB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. * Witness Printer took 213.10 ms. Allocated memory is still 4.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.8 kB). Peak memory consumption was 5.8 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...