./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label27_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6b95ec96-a5ce-4144-b603-b5b9191d374a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6b95ec96-a5ce-4144-b603-b5b9191d374a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6b95ec96-a5ce-4144-b603-b5b9191d374a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6b95ec96-a5ce-4144-b603-b5b9191d374a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label27_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6b95ec96-a5ce-4144-b603-b5b9191d374a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6b95ec96-a5ce-4144-b603-b5b9191d374a/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 571733b9b2b4edd3beb90cbc1a974d2015477291 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:09:45,248 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:09:45,249 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:09:45,257 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:09:45,257 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:09:45,257 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:09:45,258 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:09:45,259 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:09:45,260 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:09:45,261 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:09:45,261 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:09:45,262 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:09:45,262 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:09:45,263 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:09:45,263 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:09:45,264 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:09:45,265 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:09:45,266 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:09:45,267 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:09:45,268 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:09:45,269 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:09:45,270 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:09:45,271 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:09:45,271 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:09:45,272 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:09:45,272 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:09:45,273 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:09:45,273 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:09:45,274 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:09:45,275 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:09:45,275 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:09:45,275 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:09:45,276 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:09:45,276 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:09:45,276 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:09:45,277 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:09:45,277 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6b95ec96-a5ce-4144-b603-b5b9191d374a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 11:09:45,287 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:09:45,287 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:09:45,288 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:09:45,288 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:09:45,289 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:09:45,289 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:09:45,289 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:09:45,289 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:09:45,289 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:09:45,289 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:09:45,289 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:09:45,290 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:09:45,290 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:09:45,290 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:09:45,290 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:09:45,290 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:09:45,290 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:09:45,290 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:09:45,290 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:09:45,290 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:09:45,291 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:09:45,291 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:09:45,291 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:09:45,291 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:09:45,291 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:09:45,291 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:09:45,291 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:09:45,291 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:09:45,292 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:09:45,292 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_6b95ec96-a5ce-4144-b603-b5b9191d374a/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 -> 571733b9b2b4edd3beb90cbc1a974d2015477291 [2018-11-18 11:09:45,316 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:09:45,324 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:09:45,327 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:09:45,328 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:09:45,328 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:09:45,329 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6b95ec96-a5ce-4144-b603-b5b9191d374a/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label27_true-unreach-call_false-termination.c [2018-11-18 11:09:45,371 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b95ec96-a5ce-4144-b603-b5b9191d374a/bin-2019/ukojak/data/3051d9c5d/d7d8f254ea5e42eaa0636c0d48932d39/FLAGa6725fdac [2018-11-18 11:09:45,735 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:09:45,735 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6b95ec96-a5ce-4144-b603-b5b9191d374a/sv-benchmarks/c/eca-rers2012/Problem02_label27_true-unreach-call_false-termination.c [2018-11-18 11:09:45,744 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b95ec96-a5ce-4144-b603-b5b9191d374a/bin-2019/ukojak/data/3051d9c5d/d7d8f254ea5e42eaa0636c0d48932d39/FLAGa6725fdac [2018-11-18 11:09:45,755 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6b95ec96-a5ce-4144-b603-b5b9191d374a/bin-2019/ukojak/data/3051d9c5d/d7d8f254ea5e42eaa0636c0d48932d39 [2018-11-18 11:09:45,758 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:09:45,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:09:45,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:09:45,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:09:45,763 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:09:45,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:09:45" (1/1) ... [2018-11-18 11:09:45,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be9d35c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:45, skipping insertion in model container [2018-11-18 11:09:45,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:09:45" (1/1) ... [2018-11-18 11:09:45,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:09:45,808 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:09:46,031 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:09:46,034 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:09:46,100 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:09:46,113 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:09:46,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:46 WrapperNode [2018-11-18 11:09:46,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:09:46,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:09:46,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:09:46,114 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:09:46,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:46" (1/1) ... [2018-11-18 11:09:46,189 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:46" (1/1) ... [2018-11-18 11:09:46,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:09:46,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:09:46,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:09:46,225 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:09:46,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:46" (1/1) ... [2018-11-18 11:09:46,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:46" (1/1) ... [2018-11-18 11:09:46,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:46" (1/1) ... [2018-11-18 11:09:46,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:46" (1/1) ... [2018-11-18 11:09:46,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:46" (1/1) ... [2018-11-18 11:09:46,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:46" (1/1) ... [2018-11-18 11:09:46,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:46" (1/1) ... [2018-11-18 11:09:46,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:09:46,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:09:46,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:09:46,267 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:09:46,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:09:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b95ec96-a5ce-4144-b603-b5b9191d374a/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:09:46,307 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 11:09:46,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:09:46,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:09:47,900 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:09:47,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:09:47 BoogieIcfgContainer [2018-11-18 11:09:47,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:09:47,901 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:09:47,901 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:09:47,907 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:09:47,908 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:09:47" (1/1) ... [2018-11-18 11:09:47,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:47,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:47,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-18 11:09:47,939 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-18 11:09:47,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 11:09:47,943 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:48,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:48,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:48,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 165 states and 253 transitions. [2018-11-18 11:09:48,583 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 253 transitions. [2018-11-18 11:09:48,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 11:09:48,585 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:48,691 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:49,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:49,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 244 states and 340 transitions. [2018-11-18 11:09:49,061 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 340 transitions. [2018-11-18 11:09:49,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 11:09:49,063 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:49,127 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:09:49,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:49,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 333 states and 435 transitions. [2018-11-18 11:09:49,614 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 435 transitions. [2018-11-18 11:09:49,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 11:09:49,616 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:49,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:49,684 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:49,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:49,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 344 states and 450 transitions. [2018-11-18 11:09:49,883 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 450 transitions. [2018-11-18 11:09:49,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 11:09:49,889 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:49,921 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:50,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:50,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 349 states and 458 transitions. [2018-11-18 11:09:50,131 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 458 transitions. [2018-11-18 11:09:50,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 11:09:50,134 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:50,171 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 11:09:50,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:50,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 359 states and 472 transitions. [2018-11-18 11:09:50,417 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 472 transitions. [2018-11-18 11:09:50,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 11:09:50,418 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:50,441 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:50,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:50,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 371 states and 485 transitions. [2018-11-18 11:09:50,545 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 485 transitions. [2018-11-18 11:09:50,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 11:09:50,546 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:50,586 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 11:09:50,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:50,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 373 states and 489 transitions. [2018-11-18 11:09:50,759 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 489 transitions. [2018-11-18 11:09:50,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 11:09:50,760 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:50,786 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:09:51,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:51,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 396 states and 516 transitions. [2018-11-18 11:09:51,013 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 516 transitions. [2018-11-18 11:09:51,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 11:09:51,013 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:51,035 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:09:51,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:51,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 400 states and 520 transitions. [2018-11-18 11:09:51,054 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 520 transitions. [2018-11-18 11:09:51,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 11:09:51,055 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:51,074 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:09:51,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:51,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 401 states and 523 transitions. [2018-11-18 11:09:51,193 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 523 transitions. [2018-11-18 11:09:51,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 11:09:51,194 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:51,216 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:09:51,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:51,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 405 states and 527 transitions. [2018-11-18 11:09:51,302 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 527 transitions. [2018-11-18 11:09:51,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 11:09:51,303 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:51,333 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:09:51,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:51,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 421 states and 545 transitions. [2018-11-18 11:09:51,473 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 545 transitions. [2018-11-18 11:09:51,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 11:09:51,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:51,518 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:09:51,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:51,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 426 states and 553 transitions. [2018-11-18 11:09:51,791 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 553 transitions. [2018-11-18 11:09:51,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 11:09:51,792 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:51,838 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:52,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:52,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 453 states and 584 transitions. [2018-11-18 11:09:52,082 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 584 transitions. [2018-11-18 11:09:52,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-18 11:09:52,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:52,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:52,104 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:09:52,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:52,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 461 states and 592 transitions. [2018-11-18 11:09:52,162 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 592 transitions. [2018-11-18 11:09:52,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 11:09:52,163 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:52,182 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:09:52,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:52,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 500 states and 635 transitions. [2018-11-18 11:09:52,605 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 635 transitions. [2018-11-18 11:09:52,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 11:09:52,606 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:52,625 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:09:52,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:52,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 519 states and 656 transitions. [2018-11-18 11:09:52,861 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 656 transitions. [2018-11-18 11:09:52,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 11:09:52,862 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:52,884 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:09:53,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:53,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 542 states and 683 transitions. [2018-11-18 11:09:53,106 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 683 transitions. [2018-11-18 11:09:53,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 11:09:53,107 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:53,131 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:53,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:53,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 575 states and 717 transitions. [2018-11-18 11:09:53,221 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 717 transitions. [2018-11-18 11:09:53,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 11:09:53,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:53,242 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:09:53,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:53,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 579 states and 722 transitions. [2018-11-18 11:09:53,271 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 722 transitions. [2018-11-18 11:09:53,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 11:09:53,272 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:53,292 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:09:53,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:53,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 608 states and 752 transitions. [2018-11-18 11:09:53,515 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 752 transitions. [2018-11-18 11:09:53,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 11:09:53,516 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:53,540 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 11:09:53,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:53,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 614 states and 758 transitions. [2018-11-18 11:09:53,588 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 758 transitions. [2018-11-18 11:09:53,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 11:09:53,590 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:53,623 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:54,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:54,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 667 states and 818 transitions. [2018-11-18 11:09:54,268 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 818 transitions. [2018-11-18 11:09:54,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 11:09:54,269 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:54,289 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 11:09:54,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:54,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 670 states and 822 transitions. [2018-11-18 11:09:54,415 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 822 transitions. [2018-11-18 11:09:54,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 11:09:54,415 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:54,437 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 11:09:54,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:54,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 681 states and 834 transitions. [2018-11-18 11:09:54,621 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 834 transitions. [2018-11-18 11:09:54,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 11:09:54,622 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:54,642 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:09:54,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:54,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 714 states and 870 transitions. [2018-11-18 11:09:54,915 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 870 transitions. [2018-11-18 11:09:54,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 11:09:54,916 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:54,939 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:55,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:55,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 730 states and 888 transitions. [2018-11-18 11:09:55,130 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 888 transitions. [2018-11-18 11:09:55,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 11:09:55,131 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:55,165 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:55,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:55,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 735 states and 898 transitions. [2018-11-18 11:09:55,455 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 898 transitions. [2018-11-18 11:09:55,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 11:09:55,455 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:55,787 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:09:57,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:57,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 777 states and 949 transitions. [2018-11-18 11:09:57,027 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 949 transitions. [2018-11-18 11:09:57,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 11:09:57,028 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:57,108 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:09:57,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:57,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 794 states and 967 transitions. [2018-11-18 11:09:57,468 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 967 transitions. [2018-11-18 11:09:57,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 11:09:57,468 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:57,491 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 11:09:57,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:57,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 795 states and 969 transitions. [2018-11-18 11:09:57,650 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 969 transitions. [2018-11-18 11:09:57,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 11:09:57,651 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:57,980 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:09:59,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:09:59,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 862 states and 1045 transitions. [2018-11-18 11:09:59,934 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1045 transitions. [2018-11-18 11:09:59,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 11:09:59,935 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:09:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:00,048 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 11:10:00,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:00,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 881 states and 1067 transitions. [2018-11-18 11:10:00,489 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1067 transitions. [2018-11-18 11:10:00,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 11:10:00,490 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:00,532 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 11:10:00,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:00,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 882 states and 1068 transitions. [2018-11-18 11:10:00,582 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1068 transitions. [2018-11-18 11:10:00,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 11:10:00,584 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:00,855 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:03,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:03,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 945 states and 1138 transitions. [2018-11-18 11:10:03,654 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1138 transitions. [2018-11-18 11:10:03,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 11:10:03,655 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:03,690 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:10:04,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:04,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 964 states and 1158 transitions. [2018-11-18 11:10:04,025 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1158 transitions. [2018-11-18 11:10:04,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 11:10:04,025 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:04,048 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:10:04,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:04,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 976 states and 1169 transitions. [2018-11-18 11:10:04,351 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1169 transitions. [2018-11-18 11:10:04,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 11:10:04,351 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:04,375 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 11:10:04,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:04,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 977 states and 1170 transitions. [2018-11-18 11:10:04,523 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1170 transitions. [2018-11-18 11:10:04,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 11:10:04,524 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:04,792 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 81 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:05,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:05,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1003 states and 1199 transitions. [2018-11-18 11:10:05,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1199 transitions. [2018-11-18 11:10:05,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 11:10:05,424 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:05,446 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 11:10:05,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:05,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1005 states and 1201 transitions. [2018-11-18 11:10:05,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1201 transitions. [2018-11-18 11:10:05,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 11:10:05,511 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:05,661 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:08,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:08,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1050 states and 1256 transitions. [2018-11-18 11:10:08,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1256 transitions. [2018-11-18 11:10:08,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 11:10:08,209 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:08,238 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 11:10:08,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:08,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 1053 states and 1259 transitions. [2018-11-18 11:10:08,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1259 transitions. [2018-11-18 11:10:08,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 11:10:08,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:08,597 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:09,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:09,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1066 states and 1274 transitions. [2018-11-18 11:10:09,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1274 transitions. [2018-11-18 11:10:09,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 11:10:09,198 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:09,221 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 102 proven. 1 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-18 11:10:09,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:09,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1096 states and 1305 transitions. [2018-11-18 11:10:09,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1305 transitions. [2018-11-18 11:10:09,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 11:10:09,529 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:09,561 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:09,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:09,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1113 states and 1326 transitions. [2018-11-18 11:10:09,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1326 transitions. [2018-11-18 11:10:09,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 11:10:09,959 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:10,018 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:10:10,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:10,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1116 states and 1334 transitions. [2018-11-18 11:10:10,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1334 transitions. [2018-11-18 11:10:10,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-18 11:10:10,089 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:10,142 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:10:10,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:10,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1123 states and 1344 transitions. [2018-11-18 11:10:10,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1344 transitions. [2018-11-18 11:10:10,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 11:10:10,183 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:10,223 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:10:11,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:11,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1162 states and 1391 transitions. [2018-11-18 11:10:11,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1391 transitions. [2018-11-18 11:10:11,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-18 11:10:11,831 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:11,855 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:12,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:12,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1166 states and 1395 transitions. [2018-11-18 11:10:12,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1395 transitions. [2018-11-18 11:10:12,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-18 11:10:12,072 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:12,091 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-18 11:10:12,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:12,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1169 states and 1398 transitions. [2018-11-18 11:10:12,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1398 transitions. [2018-11-18 11:10:12,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 11:10:12,111 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:12,561 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 11:10:14,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:14,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1205 states and 1435 transitions. [2018-11-18 11:10:14,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1435 transitions. [2018-11-18 11:10:14,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 11:10:14,993 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:15,029 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 11:10:15,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:15,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1220 states and 1454 transitions. [2018-11-18 11:10:15,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1454 transitions. [2018-11-18 11:10:15,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 11:10:15,322 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:15,348 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 11:10:15,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:15,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1254 states and 1490 transitions. [2018-11-18 11:10:15,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1490 transitions. [2018-11-18 11:10:15,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 11:10:15,448 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:15,472 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 11:10:15,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:15,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1263 states and 1499 transitions. [2018-11-18 11:10:15,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1499 transitions. [2018-11-18 11:10:15,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 11:10:15,510 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:15,935 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:10:17,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:17,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 1334 states and 1569 transitions. [2018-11-18 11:10:17,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1569 transitions. [2018-11-18 11:10:17,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 11:10:17,388 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:17,522 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 11:10:18,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:18,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1367 states and 1606 transitions. [2018-11-18 11:10:18,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1606 transitions. [2018-11-18 11:10:18,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 11:10:18,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:18,941 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 91 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 11:10:19,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:19,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1396 states and 1635 transitions. [2018-11-18 11:10:19,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 1635 transitions. [2018-11-18 11:10:19,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 11:10:19,128 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:19,171 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:10:19,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:19,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1412 states and 1655 transitions. [2018-11-18 11:10:19,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 1655 transitions. [2018-11-18 11:10:19,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 11:10:19,653 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:19,722 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:10:19,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:19,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 1429 states and 1676 transitions. [2018-11-18 11:10:19,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 1676 transitions. [2018-11-18 11:10:19,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 11:10:19,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:20,064 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:10:21,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:21,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1481 states and 1736 transitions. [2018-11-18 11:10:21,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1481 states and 1736 transitions. [2018-11-18 11:10:21,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 11:10:21,167 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:21,283 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:10:21,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:21,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 1496 states and 1749 transitions. [2018-11-18 11:10:21,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1749 transitions. [2018-11-18 11:10:21,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 11:10:21,950 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:22,034 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:10:22,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:22,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 1510 states and 1766 transitions. [2018-11-18 11:10:22,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1766 transitions. [2018-11-18 11:10:22,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 11:10:22,812 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:22,947 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:25,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:25,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1568 states and 1831 transitions. [2018-11-18 11:10:25,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 1831 transitions. [2018-11-18 11:10:25,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 11:10:25,529 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:25,668 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:25,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:25,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1572 states and 1835 transitions. [2018-11-18 11:10:25,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 1835 transitions. [2018-11-18 11:10:25,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 11:10:25,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:26,097 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:27,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:27,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1884 states to 1618 states and 1884 transitions. [2018-11-18 11:10:27,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1618 states and 1884 transitions. [2018-11-18 11:10:27,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 11:10:27,921 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:28,053 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:10:30,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:30,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1971 states to 1693 states and 1971 transitions. [2018-11-18 11:10:30,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 1971 transitions. [2018-11-18 11:10:30,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 11:10:30,221 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:30,288 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:10:30,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:30,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 1709 states and 1989 transitions. [2018-11-18 11:10:30,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 1989 transitions. [2018-11-18 11:10:30,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 11:10:30,823 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:30,865 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:10:31,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:31,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 1723 states and 2003 transitions. [2018-11-18 11:10:31,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1723 states and 2003 transitions. [2018-11-18 11:10:31,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 11:10:31,155 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:31,209 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:10:31,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:31,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 1726 states and 2005 transitions. [2018-11-18 11:10:31,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1726 states and 2005 transitions. [2018-11-18 11:10:31,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-18 11:10:31,506 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:31,539 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 11:10:32,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:32,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2056 states to 1775 states and 2056 transitions. [2018-11-18 11:10:32,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2056 transitions. [2018-11-18 11:10:32,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-18 11:10:32,745 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:32,886 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 11:10:34,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:34,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 1828 states and 2113 transitions. [2018-11-18 11:10:34,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1828 states and 2113 transitions. [2018-11-18 11:10:34,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-18 11:10:34,094 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:34,124 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:10:34,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:34,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 1843 states and 2128 transitions. [2018-11-18 11:10:34,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2128 transitions. [2018-11-18 11:10:34,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-18 11:10:34,845 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:34,874 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:10:36,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:36,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2162 states to 1874 states and 2162 transitions. [2018-11-18 11:10:36,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 2162 transitions. [2018-11-18 11:10:36,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 11:10:36,217 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:36,267 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 17 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 11:10:36,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:36,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 1892 states and 2186 transitions. [2018-11-18 11:10:36,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1892 states and 2186 transitions. [2018-11-18 11:10:36,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 11:10:36,541 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:36,814 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 125 proven. 25 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 11:10:38,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:38,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1926 states and 2222 transitions. [2018-11-18 11:10:38,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1926 states and 2222 transitions. [2018-11-18 11:10:38,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 11:10:38,228 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:38,836 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 11:10:40,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:40,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 1927 states and 2224 transitions. [2018-11-18 11:10:40,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1927 states and 2224 transitions. [2018-11-18 11:10:40,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 11:10:40,026 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:40,117 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 11:10:40,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:40,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 1937 states and 2234 transitions. [2018-11-18 11:10:40,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1937 states and 2234 transitions. [2018-11-18 11:10:40,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-18 11:10:40,783 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:40,812 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-18 11:10:41,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:41,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 1951 states and 2249 transitions. [2018-11-18 11:10:41,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2249 transitions. [2018-11-18 11:10:41,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 11:10:41,263 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:41,309 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 11:10:41,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:41,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 2001 states and 2299 transitions. [2018-11-18 11:10:41,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2001 states and 2299 transitions. [2018-11-18 11:10:41,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 11:10:41,435 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:41,470 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 11:10:41,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:41,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2011 states and 2309 transitions. [2018-11-18 11:10:41,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2011 states and 2309 transitions. [2018-11-18 11:10:41,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 11:10:41,594 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:41,665 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 70 proven. 17 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 11:10:42,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:42,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2321 states to 2023 states and 2321 transitions. [2018-11-18 11:10:42,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2023 states and 2321 transitions. [2018-11-18 11:10:42,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 11:10:42,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:42,182 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 11:10:42,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:42,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2332 states to 2030 states and 2332 transitions. [2018-11-18 11:10:42,714 INFO L276 IsEmpty]: Start isEmpty. Operand 2030 states and 2332 transitions. [2018-11-18 11:10:42,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-18 11:10:42,716 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:42,749 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 11:10:43,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:43,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2333 states to 2031 states and 2333 transitions. [2018-11-18 11:10:43,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2031 states and 2333 transitions. [2018-11-18 11:10:43,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-18 11:10:43,010 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:43,156 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:43,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:43,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 2047 states and 2349 transitions. [2018-11-18 11:10:43,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 2349 transitions. [2018-11-18 11:10:43,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-18 11:10:43,460 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:43,530 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 169 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 11:10:44,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:44,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 2074 states and 2383 transitions. [2018-11-18 11:10:44,449 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2383 transitions. [2018-11-18 11:10:44,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-18 11:10:44,451 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:44,501 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 169 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 11:10:45,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:45,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2408 states to 2097 states and 2408 transitions. [2018-11-18 11:10:45,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2097 states and 2408 transitions. [2018-11-18 11:10:45,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-18 11:10:45,593 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:45,661 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 169 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 11:10:46,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:46,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2422 states to 2111 states and 2422 transitions. [2018-11-18 11:10:46,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2111 states and 2422 transitions. [2018-11-18 11:10:46,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-18 11:10:46,036 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:46,075 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-18 11:10:46,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:46,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2435 states to 2122 states and 2435 transitions. [2018-11-18 11:10:46,412 INFO L276 IsEmpty]: Start isEmpty. Operand 2122 states and 2435 transitions. [2018-11-18 11:10:46,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-11-18 11:10:46,414 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:46,454 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 11:10:47,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:47,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2162 states and 2486 transitions. [2018-11-18 11:10:47,878 INFO L276 IsEmpty]: Start isEmpty. Operand 2162 states and 2486 transitions. [2018-11-18 11:10:47,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-11-18 11:10:47,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:47,913 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 11:10:48,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:48,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2502 states to 2178 states and 2502 transitions. [2018-11-18 11:10:48,378 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 2502 transitions. [2018-11-18 11:10:48,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-11-18 11:10:48,379 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:48,413 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 11:10:49,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:49,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 2188 states and 2515 transitions. [2018-11-18 11:10:49,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2188 states and 2515 transitions. [2018-11-18 11:10:49,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-18 11:10:49,151 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:49,181 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-18 11:10:49,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:49,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 2189 states and 2515 transitions. [2018-11-18 11:10:49,232 INFO L276 IsEmpty]: Start isEmpty. Operand 2189 states and 2515 transitions. [2018-11-18 11:10:49,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-18 11:10:49,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:49,272 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:50,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:50,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2540 states to 2208 states and 2540 transitions. [2018-11-18 11:10:50,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2208 states and 2540 transitions. [2018-11-18 11:10:50,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-18 11:10:50,065 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:50,095 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:50,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:50,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2553 states to 2222 states and 2553 transitions. [2018-11-18 11:10:50,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2222 states and 2553 transitions. [2018-11-18 11:10:50,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-18 11:10:50,272 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:50,303 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:50,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:50,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2238 states and 2569 transitions. [2018-11-18 11:10:50,860 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 2569 transitions. [2018-11-18 11:10:50,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-18 11:10:50,862 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:50,892 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:51,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:51,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 2254 states and 2585 transitions. [2018-11-18 11:10:51,325 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 2585 transitions. [2018-11-18 11:10:51,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-18 11:10:51,326 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:51,356 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:10:51,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:51,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2587 states to 2257 states and 2587 transitions. [2018-11-18 11:10:51,637 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 2587 transitions. [2018-11-18 11:10:51,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-18 11:10:51,638 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:51,690 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 196 proven. 5 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:10:51,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:51,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2592 states to 2262 states and 2592 transitions. [2018-11-18 11:10:51,960 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 2592 transitions. [2018-11-18 11:10:51,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-18 11:10:51,961 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:52,000 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 11:10:52,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:52,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2598 states to 2268 states and 2598 transitions. [2018-11-18 11:10:52,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2268 states and 2598 transitions. [2018-11-18 11:10:52,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-18 11:10:52,358 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:52,402 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 11:10:52,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:52,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2600 states to 2271 states and 2600 transitions. [2018-11-18 11:10:52,787 INFO L276 IsEmpty]: Start isEmpty. Operand 2271 states and 2600 transitions. [2018-11-18 11:10:52,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 11:10:52,788 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:52,823 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 11:10:53,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:53,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2608 states to 2278 states and 2608 transitions. [2018-11-18 11:10:53,096 INFO L276 IsEmpty]: Start isEmpty. Operand 2278 states and 2608 transitions. [2018-11-18 11:10:53,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-18 11:10:53,097 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:53,920 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 11:10:55,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:55,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2638 states to 2306 states and 2638 transitions. [2018-11-18 11:10:55,710 INFO L276 IsEmpty]: Start isEmpty. Operand 2306 states and 2638 transitions. [2018-11-18 11:10:55,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-18 11:10:55,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:55,812 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 11:10:58,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:10:58,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2357 states and 2690 transitions. [2018-11-18 11:10:58,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2357 states and 2690 transitions. [2018-11-18 11:10:58,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-18 11:10:58,020 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:10:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:58,123 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 11:11:00,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:00,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2740 states to 2408 states and 2740 transitions. [2018-11-18 11:11:00,153 INFO L276 IsEmpty]: Start isEmpty. Operand 2408 states and 2740 transitions. [2018-11-18 11:11:00,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-18 11:11:00,154 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:00,271 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 11:11:02,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:02,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2786 states to 2454 states and 2786 transitions. [2018-11-18 11:11:02,276 INFO L276 IsEmpty]: Start isEmpty. Operand 2454 states and 2786 transitions. [2018-11-18 11:11:02,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-18 11:11:02,277 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:02,389 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 11:11:03,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:03,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2470 states and 2801 transitions. [2018-11-18 11:11:03,159 INFO L276 IsEmpty]: Start isEmpty. Operand 2470 states and 2801 transitions. [2018-11-18 11:11:03,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-18 11:11:03,160 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:03,262 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 151 proven. 18 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:11:03,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:03,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2471 states and 2801 transitions. [2018-11-18 11:11:03,562 INFO L276 IsEmpty]: Start isEmpty. Operand 2471 states and 2801 transitions. [2018-11-18 11:11:03,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-18 11:11:03,563 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:03,595 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-11-18 11:11:03,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:03,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2805 states to 2475 states and 2805 transitions. [2018-11-18 11:11:03,766 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 2805 transitions. [2018-11-18 11:11:03,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-18 11:11:03,767 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:03,824 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-11-18 11:11:04,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:04,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2805 states to 2476 states and 2805 transitions. [2018-11-18 11:11:04,019 INFO L276 IsEmpty]: Start isEmpty. Operand 2476 states and 2805 transitions. [2018-11-18 11:11:04,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 11:11:04,020 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:04,198 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 194 proven. 26 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 11:11:07,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:07,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2870 states to 2534 states and 2870 transitions. [2018-11-18 11:11:07,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 2870 transitions. [2018-11-18 11:11:07,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 11:11:07,105 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:07,150 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 194 proven. 26 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 11:11:07,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:07,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2874 states to 2538 states and 2874 transitions. [2018-11-18 11:11:07,602 INFO L276 IsEmpty]: Start isEmpty. Operand 2538 states and 2874 transitions. [2018-11-18 11:11:07,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-18 11:11:07,603 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:07,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:07,765 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:11:09,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:09,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2912 states to 2574 states and 2912 transitions. [2018-11-18 11:11:09,050 INFO L276 IsEmpty]: Start isEmpty. Operand 2574 states and 2912 transitions. [2018-11-18 11:11:09,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-18 11:11:09,051 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:09,214 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:11:09,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:09,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2912 states to 2575 states and 2912 transitions. [2018-11-18 11:11:09,463 INFO L276 IsEmpty]: Start isEmpty. Operand 2575 states and 2912 transitions. [2018-11-18 11:11:09,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-18 11:11:09,465 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:09,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:09,499 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 231 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-18 11:11:10,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:10,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2597 states and 2937 transitions. [2018-11-18 11:11:10,379 INFO L276 IsEmpty]: Start isEmpty. Operand 2597 states and 2937 transitions. [2018-11-18 11:11:10,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-18 11:11:10,380 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:10,414 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 231 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-18 11:11:10,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:10,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2940 states to 2600 states and 2940 transitions. [2018-11-18 11:11:10,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2600 states and 2940 transitions. [2018-11-18 11:11:10,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-18 11:11:10,807 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:10,854 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-11-18 11:11:12,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:12,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 2661 states and 3009 transitions. [2018-11-18 11:11:12,913 INFO L276 IsEmpty]: Start isEmpty. Operand 2661 states and 3009 transitions. [2018-11-18 11:11:12,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-18 11:11:12,914 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:12,960 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-11-18 11:11:13,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:13,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3033 states to 2684 states and 3033 transitions. [2018-11-18 11:11:13,824 INFO L276 IsEmpty]: Start isEmpty. Operand 2684 states and 3033 transitions. [2018-11-18 11:11:13,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-18 11:11:13,825 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:13,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:13,883 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-11-18 11:11:14,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:14,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3036 states to 2687 states and 3036 transitions. [2018-11-18 11:11:14,299 INFO L276 IsEmpty]: Start isEmpty. Operand 2687 states and 3036 transitions. [2018-11-18 11:11:14,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-18 11:11:14,301 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:14,348 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-11-18 11:11:14,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:14,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3054 states to 2705 states and 3054 transitions. [2018-11-18 11:11:14,953 INFO L276 IsEmpty]: Start isEmpty. Operand 2705 states and 3054 transitions. [2018-11-18 11:11:14,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-18 11:11:14,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:15,004 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-11-18 11:11:15,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:15,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3070 states to 2721 states and 3070 transitions. [2018-11-18 11:11:15,906 INFO L276 IsEmpty]: Start isEmpty. Operand 2721 states and 3070 transitions. [2018-11-18 11:11:15,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-18 11:11:15,907 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:15,954 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-11-18 11:11:16,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:16,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3072 states to 2724 states and 3072 transitions. [2018-11-18 11:11:16,342 INFO L276 IsEmpty]: Start isEmpty. Operand 2724 states and 3072 transitions. [2018-11-18 11:11:16,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-18 11:11:16,343 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:16,377 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 11:11:18,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:18,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3119 states to 2762 states and 3119 transitions. [2018-11-18 11:11:18,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3119 transitions. [2018-11-18 11:11:18,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-18 11:11:18,995 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:19,029 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 11:11:19,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:19,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3122 states to 2766 states and 3122 transitions. [2018-11-18 11:11:19,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 3122 transitions. [2018-11-18 11:11:19,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-18 11:11:19,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:19,497 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 11:11:20,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:20,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3156 states to 2798 states and 3156 transitions. [2018-11-18 11:11:20,912 INFO L276 IsEmpty]: Start isEmpty. Operand 2798 states and 3156 transitions. [2018-11-18 11:11:20,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-18 11:11:20,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:20,948 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 11:11:21,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:21,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3159 states to 2802 states and 3159 transitions. [2018-11-18 11:11:21,344 INFO L276 IsEmpty]: Start isEmpty. Operand 2802 states and 3159 transitions. [2018-11-18 11:11:21,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-11-18 11:11:21,346 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:21,384 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-11-18 11:11:23,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:23,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3179 states to 2822 states and 3179 transitions. [2018-11-18 11:11:23,036 INFO L276 IsEmpty]: Start isEmpty. Operand 2822 states and 3179 transitions. [2018-11-18 11:11:23,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-11-18 11:11:23,038 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:23,075 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-11-18 11:11:23,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:23,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3181 states to 2825 states and 3181 transitions. [2018-11-18 11:11:23,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2825 states and 3181 transitions. [2018-11-18 11:11:23,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 11:11:23,274 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:23,470 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 236 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 11:11:25,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:25,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3214 states to 2851 states and 3214 transitions. [2018-11-18 11:11:25,124 INFO L276 IsEmpty]: Start isEmpty. Operand 2851 states and 3214 transitions. [2018-11-18 11:11:25,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 11:11:25,125 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:25,243 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 236 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 11:11:25,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:25,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3214 states to 2852 states and 3214 transitions. [2018-11-18 11:11:25,477 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3214 transitions. [2018-11-18 11:11:25,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 11:11:25,478 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:25,598 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 236 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 11:11:26,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:26,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3239 states to 2873 states and 3239 transitions. [2018-11-18 11:11:26,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2873 states and 3239 transitions. [2018-11-18 11:11:26,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-11-18 11:11:26,455 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:26,491 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 11:11:26,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:26,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 2887 states and 3252 transitions. [2018-11-18 11:11:26,964 INFO L276 IsEmpty]: Start isEmpty. Operand 2887 states and 3252 transitions. [2018-11-18 11:11:26,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-18 11:11:26,965 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:27,077 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-18 11:11:31,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:31,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 2945 states and 3311 transitions. [2018-11-18 11:11:31,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2945 states and 3311 transitions. [2018-11-18 11:11:31,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-18 11:11:31,467 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:31,578 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-18 11:11:35,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:35,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3367 states to 3000 states and 3367 transitions. [2018-11-18 11:11:35,226 INFO L276 IsEmpty]: Start isEmpty. Operand 3000 states and 3367 transitions. [2018-11-18 11:11:35,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-18 11:11:35,227 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:35,339 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-18 11:11:35,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:35,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3372 states to 3007 states and 3372 transitions. [2018-11-18 11:11:35,936 INFO L276 IsEmpty]: Start isEmpty. Operand 3007 states and 3372 transitions. [2018-11-18 11:11:35,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-18 11:11:35,938 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:36,116 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 257 proven. 5 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 11:11:36,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:36,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3387 states to 3021 states and 3387 transitions. [2018-11-18 11:11:36,644 INFO L276 IsEmpty]: Start isEmpty. Operand 3021 states and 3387 transitions. [2018-11-18 11:11:36,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-18 11:11:36,645 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:36,844 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 257 proven. 5 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 11:11:37,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:37,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3406 states to 3038 states and 3406 transitions. [2018-11-18 11:11:37,596 INFO L276 IsEmpty]: Start isEmpty. Operand 3038 states and 3406 transitions. [2018-11-18 11:11:37,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-18 11:11:37,598 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:37,680 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 11:11:40,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:40,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3467 states to 3090 states and 3467 transitions. [2018-11-18 11:11:40,001 INFO L276 IsEmpty]: Start isEmpty. Operand 3090 states and 3467 transitions. [2018-11-18 11:11:40,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-18 11:11:40,003 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:40,069 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 11:11:41,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:41,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3134 states and 3515 transitions. [2018-11-18 11:11:41,300 INFO L276 IsEmpty]: Start isEmpty. Operand 3134 states and 3515 transitions. [2018-11-18 11:11:41,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-18 11:11:41,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:41,363 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 11:11:41,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:41,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3529 states to 3148 states and 3529 transitions. [2018-11-18 11:11:41,971 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 3529 transitions. [2018-11-18 11:11:41,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-18 11:11:41,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:42,077 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 11:11:42,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:42,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3536 states to 3155 states and 3536 transitions. [2018-11-18 11:11:42,599 INFO L276 IsEmpty]: Start isEmpty. Operand 3155 states and 3536 transitions. [2018-11-18 11:11:42,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-18 11:11:42,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:42,662 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 11:11:43,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:43,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3548 states to 3168 states and 3548 transitions. [2018-11-18 11:11:43,044 INFO L276 IsEmpty]: Start isEmpty. Operand 3168 states and 3548 transitions. [2018-11-18 11:11:43,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-18 11:11:43,046 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:43,108 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 11:11:44,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:44,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3578 states to 3194 states and 3578 transitions. [2018-11-18 11:11:44,184 INFO L276 IsEmpty]: Start isEmpty. Operand 3194 states and 3578 transitions. [2018-11-18 11:11:44,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-18 11:11:44,186 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:44,247 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 11:11:44,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:44,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3584 states to 3201 states and 3584 transitions. [2018-11-18 11:11:44,465 INFO L276 IsEmpty]: Start isEmpty. Operand 3201 states and 3584 transitions. [2018-11-18 11:11:44,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-18 11:11:44,467 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:44,527 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 11:11:45,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:45,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3605 states to 3222 states and 3605 transitions. [2018-11-18 11:11:45,408 INFO L276 IsEmpty]: Start isEmpty. Operand 3222 states and 3605 transitions. [2018-11-18 11:11:45,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-18 11:11:45,410 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:45,476 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 11:11:46,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:46,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3630 states to 3245 states and 3630 transitions. [2018-11-18 11:11:46,602 INFO L276 IsEmpty]: Start isEmpty. Operand 3245 states and 3630 transitions. [2018-11-18 11:11:46,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-18 11:11:46,604 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:46,685 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 11:11:47,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:47,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3646 states to 3261 states and 3646 transitions. [2018-11-18 11:11:47,432 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 3646 transitions. [2018-11-18 11:11:47,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-18 11:11:47,434 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:47,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:47,499 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 11:11:47,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:47,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3648 states to 3264 states and 3648 transitions. [2018-11-18 11:11:47,889 INFO L276 IsEmpty]: Start isEmpty. Operand 3264 states and 3648 transitions. [2018-11-18 11:11:47,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-11-18 11:11:47,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:47,930 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-18 11:11:48,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:48,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3668 states to 3284 states and 3668 transitions. [2018-11-18 11:11:48,955 INFO L276 IsEmpty]: Start isEmpty. Operand 3284 states and 3668 transitions. [2018-11-18 11:11:48,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-11-18 11:11:48,957 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:48,996 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-18 11:11:49,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:49,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3674 states to 3291 states and 3674 transitions. [2018-11-18 11:11:49,388 INFO L276 IsEmpty]: Start isEmpty. Operand 3291 states and 3674 transitions. [2018-11-18 11:11:49,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-11-18 11:11:49,390 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:49,482 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 84 proven. 34 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-11-18 11:11:50,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:50,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3692 states to 3308 states and 3692 transitions. [2018-11-18 11:11:50,266 INFO L276 IsEmpty]: Start isEmpty. Operand 3308 states and 3692 transitions. [2018-11-18 11:11:50,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-11-18 11:11:50,267 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:50,448 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 84 proven. 34 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-11-18 11:11:50,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:50,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3692 states to 3309 states and 3692 transitions. [2018-11-18 11:11:50,854 INFO L276 IsEmpty]: Start isEmpty. Operand 3309 states and 3692 transitions. [2018-11-18 11:11:50,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 11:11:50,856 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:50,943 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 313 proven. 5 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 11:11:51,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:51,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3704 states to 3323 states and 3704 transitions. [2018-11-18 11:11:51,567 INFO L276 IsEmpty]: Start isEmpty. Operand 3323 states and 3704 transitions. [2018-11-18 11:11:51,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 11:11:51,569 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:51,639 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 313 proven. 5 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 11:11:51,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:51,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3710 states to 3330 states and 3710 transitions. [2018-11-18 11:11:51,874 INFO L276 IsEmpty]: Start isEmpty. Operand 3330 states and 3710 transitions. [2018-11-18 11:11:51,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 11:11:51,875 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:51,949 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 313 proven. 5 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 11:11:52,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:52,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3716 states to 3337 states and 3716 transitions. [2018-11-18 11:11:52,192 INFO L276 IsEmpty]: Start isEmpty. Operand 3337 states and 3716 transitions. [2018-11-18 11:11:52,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-18 11:11:52,193 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:52,233 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-11-18 11:11:53,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:53,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3731 states to 3353 states and 3731 transitions. [2018-11-18 11:11:53,110 INFO L276 IsEmpty]: Start isEmpty. Operand 3353 states and 3731 transitions. [2018-11-18 11:11:53,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-18 11:11:53,111 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:53,152 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-11-18 11:11:53,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:53,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3733 states to 3356 states and 3733 transitions. [2018-11-18 11:11:53,396 INFO L276 IsEmpty]: Start isEmpty. Operand 3356 states and 3733 transitions. [2018-11-18 11:11:53,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-11-18 11:11:53,398 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:53,509 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-11-18 11:11:55,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:55,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3770 states to 3389 states and 3770 transitions. [2018-11-18 11:11:55,280 INFO L276 IsEmpty]: Start isEmpty. Operand 3389 states and 3770 transitions. [2018-11-18 11:11:55,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-11-18 11:11:55,282 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:55,494 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-11-18 11:11:56,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:56,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3785 states to 3405 states and 3785 transitions. [2018-11-18 11:11:56,129 INFO L276 IsEmpty]: Start isEmpty. Operand 3405 states and 3785 transitions. [2018-11-18 11:11:56,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-11-18 11:11:56,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:56,241 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-11-18 11:11:56,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:56,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3800 states to 3421 states and 3800 transitions. [2018-11-18 11:11:56,752 INFO L276 IsEmpty]: Start isEmpty. Operand 3421 states and 3800 transitions. [2018-11-18 11:11:56,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-11-18 11:11:56,753 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:56,864 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-11-18 11:11:57,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:57,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3815 states to 3437 states and 3815 transitions. [2018-11-18 11:11:57,401 INFO L276 IsEmpty]: Start isEmpty. Operand 3437 states and 3815 transitions. [2018-11-18 11:11:57,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 11:11:57,403 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:57,459 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 293 proven. 5 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 11:11:59,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:59,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3851 states to 3469 states and 3851 transitions. [2018-11-18 11:11:59,284 INFO L276 IsEmpty]: Start isEmpty. Operand 3469 states and 3851 transitions. [2018-11-18 11:11:59,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 11:11:59,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:59,342 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 293 proven. 5 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 11:11:59,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:59,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3853 states to 3473 states and 3853 transitions. [2018-11-18 11:11:59,958 INFO L276 IsEmpty]: Start isEmpty. Operand 3473 states and 3853 transitions. [2018-11-18 11:11:59,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 11:11:59,960 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:00,045 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 105 proven. 34 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2018-11-18 11:12:01,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:01,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3870 states to 3490 states and 3870 transitions. [2018-11-18 11:12:01,230 INFO L276 IsEmpty]: Start isEmpty. Operand 3490 states and 3870 transitions. [2018-11-18 11:12:01,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 11:12:01,232 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:01,309 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 105 proven. 34 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2018-11-18 11:12:02,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:02,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3888 states to 3507 states and 3888 transitions. [2018-11-18 11:12:02,138 INFO L276 IsEmpty]: Start isEmpty. Operand 3507 states and 3888 transitions. [2018-11-18 11:12:02,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-18 11:12:02,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:02,229 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 286 proven. 7 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-18 11:12:03,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:03,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3908 states to 3520 states and 3908 transitions. [2018-11-18 11:12:03,670 INFO L276 IsEmpty]: Start isEmpty. Operand 3520 states and 3908 transitions. [2018-11-18 11:12:03,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-18 11:12:03,672 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:03,765 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 286 proven. 7 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-18 11:12:04,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:04,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3916 states to 3527 states and 3916 transitions. [2018-11-18 11:12:04,460 INFO L276 IsEmpty]: Start isEmpty. Operand 3527 states and 3916 transitions. [2018-11-18 11:12:04,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-18 11:12:04,461 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:04,550 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 286 proven. 7 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-18 11:12:04,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:04,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3921 states to 3532 states and 3921 transitions. [2018-11-18 11:12:04,975 INFO L276 IsEmpty]: Start isEmpty. Operand 3532 states and 3921 transitions. [2018-11-18 11:12:04,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-18 11:12:04,977 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:05,067 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 286 proven. 7 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-18 11:12:06,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:06,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3939 states to 3549 states and 3939 transitions. [2018-11-18 11:12:06,036 INFO L276 IsEmpty]: Start isEmpty. Operand 3549 states and 3939 transitions. [2018-11-18 11:12:06,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-18 11:12:06,038 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:06,128 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 286 proven. 7 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-18 11:12:06,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:06,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3956 states to 3566 states and 3956 transitions. [2018-11-18 11:12:06,586 INFO L276 IsEmpty]: Start isEmpty. Operand 3566 states and 3956 transitions. [2018-11-18 11:12:06,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-18 11:12:06,588 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:06,790 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 286 proven. 7 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-18 11:12:07,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:07,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3961 states to 3571 states and 3961 transitions. [2018-11-18 11:12:07,237 INFO L276 IsEmpty]: Start isEmpty. Operand 3571 states and 3961 transitions. [2018-11-18 11:12:07,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 11:12:07,239 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:08,680 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 11:12:12,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:12,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4017 states to 3625 states and 4017 transitions. [2018-11-18 11:12:12,953 INFO L276 IsEmpty]: Start isEmpty. Operand 3625 states and 4017 transitions. [2018-11-18 11:12:12,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 11:12:12,955 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:13,092 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 11:12:13,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:13,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4036 states to 3644 states and 4036 transitions. [2018-11-18 11:12:13,852 INFO L276 IsEmpty]: Start isEmpty. Operand 3644 states and 4036 transitions. [2018-11-18 11:12:13,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 11:12:13,854 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:14,006 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 11:12:17,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:17,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4075 states to 3682 states and 4075 transitions. [2018-11-18 11:12:17,486 INFO L276 IsEmpty]: Start isEmpty. Operand 3682 states and 4075 transitions. [2018-11-18 11:12:17,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 11:12:17,487 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:17,625 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 11:12:19,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:19,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4106 states to 3714 states and 4106 transitions. [2018-11-18 11:12:19,740 INFO L276 IsEmpty]: Start isEmpty. Operand 3714 states and 4106 transitions. [2018-11-18 11:12:19,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-18 11:12:19,742 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:19,824 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 277 proven. 10 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-18 11:12:20,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:20,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4110 states to 3719 states and 4110 transitions. [2018-11-18 11:12:20,103 INFO L276 IsEmpty]: Start isEmpty. Operand 3719 states and 4110 transitions. [2018-11-18 11:12:20,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-18 11:12:20,105 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:20,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:20,586 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 330 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-18 11:12:22,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:22,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4136 states to 3742 states and 4136 transitions. [2018-11-18 11:12:22,385 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4136 transitions. [2018-11-18 11:12:22,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-18 11:12:22,386 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:22,439 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2018-11-18 11:12:22,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:22,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4138 states to 3744 states and 4138 transitions. [2018-11-18 11:12:22,889 INFO L276 IsEmpty]: Start isEmpty. Operand 3744 states and 4138 transitions. [2018-11-18 11:12:22,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-18 11:12:22,891 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:22,943 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2018-11-18 11:12:23,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:23,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4151 states to 3758 states and 4151 transitions. [2018-11-18 11:12:23,443 INFO L276 IsEmpty]: Start isEmpty. Operand 3758 states and 4151 transitions. [2018-11-18 11:12:23,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-18 11:12:23,445 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:23,504 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 232 proven. 1 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-11-18 11:12:23,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:23,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4158 states to 3766 states and 4158 transitions. [2018-11-18 11:12:23,841 INFO L276 IsEmpty]: Start isEmpty. Operand 3766 states and 4158 transitions. [2018-11-18 11:12:23,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-18 11:12:23,843 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:23,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:23,901 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 232 proven. 1 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-11-18 11:12:24,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:24,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4168 states to 3777 states and 4168 transitions. [2018-11-18 11:12:24,771 INFO L276 IsEmpty]: Start isEmpty. Operand 3777 states and 4168 transitions. [2018-11-18 11:12:24,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-18 11:12:24,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:24,840 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 207 proven. 3 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-11-18 11:12:24,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:24,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4196 states to 3806 states and 4196 transitions. [2018-11-18 11:12:24,972 INFO L276 IsEmpty]: Start isEmpty. Operand 3806 states and 4196 transitions. [2018-11-18 11:12:24,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-18 11:12:24,974 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:25,034 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-18 11:12:25,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:25,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4216 states to 3826 states and 4216 transitions. [2018-11-18 11:12:25,122 INFO L276 IsEmpty]: Start isEmpty. Operand 3826 states and 4216 transitions. [2018-11-18 11:12:25,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-11-18 11:12:25,124 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:25,188 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-11-18 11:12:25,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:25,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4223 states to 3833 states and 4223 transitions. [2018-11-18 11:12:25,424 INFO L276 IsEmpty]: Start isEmpty. Operand 3833 states and 4223 transitions. [2018-11-18 11:12:25,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 11:12:25,426 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:25,486 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 11:12:26,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:26,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4297 states to 3903 states and 4297 transitions. [2018-11-18 11:12:26,356 INFO L276 IsEmpty]: Start isEmpty. Operand 3903 states and 4297 transitions. [2018-11-18 11:12:26,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 11:12:26,357 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:26,550 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 11:12:26,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:26,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4297 states to 3904 states and 4297 transitions. [2018-11-18 11:12:26,592 INFO L276 IsEmpty]: Start isEmpty. Operand 3904 states and 4297 transitions. [2018-11-18 11:12:26,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 11:12:26,594 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:28,416 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 348 proven. 61 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-18 11:12:31,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:31,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4351 states to 3950 states and 4351 transitions. [2018-11-18 11:12:31,888 INFO L276 IsEmpty]: Start isEmpty. Operand 3950 states and 4351 transitions. [2018-11-18 11:12:31,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-11-18 11:12:31,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:32,089 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 377 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 11:12:34,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:34,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4377 states to 3971 states and 4377 transitions. [2018-11-18 11:12:34,743 INFO L276 IsEmpty]: Start isEmpty. Operand 3971 states and 4377 transitions. [2018-11-18 11:12:34,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-11-18 11:12:34,745 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:35,066 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 377 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 11:12:35,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:35,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4377 states to 3972 states and 4377 transitions. [2018-11-18 11:12:35,572 INFO L276 IsEmpty]: Start isEmpty. Operand 3972 states and 4377 transitions. [2018-11-18 11:12:35,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-11-18 11:12:35,574 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:35,781 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 377 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 11:12:35,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:35,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4378 states to 3974 states and 4378 transitions. [2018-11-18 11:12:35,895 INFO L276 IsEmpty]: Start isEmpty. Operand 3974 states and 4378 transitions. [2018-11-18 11:12:35,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-18 11:12:35,897 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:35,992 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 225 proven. 34 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-11-18 11:12:37,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:37,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4391 states to 3986 states and 4391 transitions. [2018-11-18 11:12:37,559 INFO L276 IsEmpty]: Start isEmpty. Operand 3986 states and 4391 transitions. [2018-11-18 11:12:37,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-18 11:12:37,561 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:37,656 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 225 proven. 34 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-11-18 11:12:38,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:38,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4391 states to 3987 states and 4391 transitions. [2018-11-18 11:12:38,158 INFO L276 IsEmpty]: Start isEmpty. Operand 3987 states and 4391 transitions. [2018-11-18 11:12:38,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-18 11:12:38,160 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:38,262 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 225 proven. 34 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-11-18 11:12:39,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:39,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4401 states to 3998 states and 4401 transitions. [2018-11-18 11:12:39,143 INFO L276 IsEmpty]: Start isEmpty. Operand 3998 states and 4401 transitions. [2018-11-18 11:12:39,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-18 11:12:39,145 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:39,240 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 225 proven. 34 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-11-18 11:12:39,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:39,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4406 states to 4003 states and 4406 transitions. [2018-11-18 11:12:39,651 INFO L276 IsEmpty]: Start isEmpty. Operand 4003 states and 4406 transitions. [2018-11-18 11:12:39,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-18 11:12:39,653 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:39,747 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 415 proven. 7 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 11:12:41,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:41,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4488 states to 4084 states and 4488 transitions. [2018-11-18 11:12:41,383 INFO L276 IsEmpty]: Start isEmpty. Operand 4084 states and 4488 transitions. [2018-11-18 11:12:41,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-11-18 11:12:41,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:41,521 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 410 proven. 5 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 11:12:42,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:42,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4515 states to 4110 states and 4515 transitions. [2018-11-18 11:12:42,185 INFO L276 IsEmpty]: Start isEmpty. Operand 4110 states and 4515 transitions. [2018-11-18 11:12:42,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-11-18 11:12:42,187 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:42,320 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 410 proven. 5 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 11:12:42,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:42,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4113 states and 4518 transitions. [2018-11-18 11:12:42,846 INFO L276 IsEmpty]: Start isEmpty. Operand 4113 states and 4518 transitions. [2018-11-18 11:12:42,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-18 11:12:42,848 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:42,945 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2018-11-18 11:12:43,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:43,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4531 states to 4124 states and 4531 transitions. [2018-11-18 11:12:43,474 INFO L276 IsEmpty]: Start isEmpty. Operand 4124 states and 4531 transitions. [2018-11-18 11:12:43,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-11-18 11:12:43,476 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:43,815 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 455 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-18 11:12:44,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:44,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4575 states to 4166 states and 4575 transitions. [2018-11-18 11:12:44,983 INFO L276 IsEmpty]: Start isEmpty. Operand 4166 states and 4575 transitions. [2018-11-18 11:12:44,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-11-18 11:12:44,985 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:45,059 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 247 proven. 3 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-11-18 11:12:45,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:45,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4579 states to 4171 states and 4579 transitions. [2018-11-18 11:12:45,896 INFO L276 IsEmpty]: Start isEmpty. Operand 4171 states and 4579 transitions. [2018-11-18 11:12:45,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-11-18 11:12:45,898 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:45,972 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 247 proven. 3 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-11-18 11:12:46,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:46,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4586 states to 4179 states and 4586 transitions. [2018-11-18 11:12:46,716 INFO L276 IsEmpty]: Start isEmpty. Operand 4179 states and 4586 transitions. [2018-11-18 11:12:46,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-11-18 11:12:46,718 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:46,914 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 449 proven. 5 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 11:12:47,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:47,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4615 states to 4208 states and 4615 transitions. [2018-11-18 11:12:47,520 INFO L276 IsEmpty]: Start isEmpty. Operand 4208 states and 4615 transitions. [2018-11-18 11:12:47,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-11-18 11:12:47,522 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:47,859 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 449 proven. 5 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 11:12:48,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:48,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4620 states to 4215 states and 4620 transitions. [2018-11-18 11:12:48,400 INFO L276 IsEmpty]: Start isEmpty. Operand 4215 states and 4620 transitions. [2018-11-18 11:12:48,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2018-11-18 11:12:48,402 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:48,627 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 372 proven. 10 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2018-11-18 11:12:49,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:49,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4635 states to 4231 states and 4635 transitions. [2018-11-18 11:12:49,384 INFO L276 IsEmpty]: Start isEmpty. Operand 4231 states and 4635 transitions. [2018-11-18 11:12:49,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2018-11-18 11:12:49,386 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:49,528 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 513 proven. 18 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-11-18 11:12:49,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:49,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4635 states to 4232 states and 4635 transitions. [2018-11-18 11:12:49,873 INFO L276 IsEmpty]: Start isEmpty. Operand 4232 states and 4635 transitions. [2018-11-18 11:12:49,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-11-18 11:12:49,876 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:51,701 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 639 proven. 5 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-18 11:12:54,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:54,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4678 states to 4273 states and 4678 transitions. [2018-11-18 11:12:54,875 INFO L276 IsEmpty]: Start isEmpty. Operand 4273 states and 4678 transitions. [2018-11-18 11:12:54,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2018-11-18 11:12:54,878 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:55,123 INFO L134 CoverageAnalysis]: Checked inductivity of 686 backedges. 546 proven. 5 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-18 11:12:56,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:56,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4707 states to 4303 states and 4707 transitions. [2018-11-18 11:12:56,786 INFO L276 IsEmpty]: Start isEmpty. Operand 4303 states and 4707 transitions. [2018-11-18 11:12:56,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2018-11-18 11:12:56,788 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:56,890 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2018-11-18 11:12:57,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:57,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4733 states to 4326 states and 4733 transitions. [2018-11-18 11:12:57,930 INFO L276 IsEmpty]: Start isEmpty. Operand 4326 states and 4733 transitions. [2018-11-18 11:12:57,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2018-11-18 11:12:57,932 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:58,031 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2018-11-18 11:12:58,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:58,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4749 states to 4342 states and 4749 transitions. [2018-11-18 11:12:58,131 INFO L276 IsEmpty]: Start isEmpty. Operand 4342 states and 4749 transitions. [2018-11-18 11:12:58,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2018-11-18 11:12:58,134 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:58,233 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2018-11-18 11:12:58,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:58,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4770 states to 4363 states and 4770 transitions. [2018-11-18 11:12:58,356 INFO L276 IsEmpty]: Start isEmpty. Operand 4363 states and 4770 transitions. [2018-11-18 11:12:58,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2018-11-18 11:12:58,358 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:58,459 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2018-11-18 11:12:58,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:58,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4770 states to 4364 states and 4770 transitions. [2018-11-18 11:12:58,758 INFO L276 IsEmpty]: Start isEmpty. Operand 4364 states and 4770 transitions. [2018-11-18 11:12:58,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2018-11-18 11:12:58,761 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:58,874 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 476 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2018-11-18 11:13:00,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:00,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4798 states to 4388 states and 4798 transitions. [2018-11-18 11:13:00,672 INFO L276 IsEmpty]: Start isEmpty. Operand 4388 states and 4798 transitions. [2018-11-18 11:13:00,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2018-11-18 11:13:00,674 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:00,785 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 476 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2018-11-18 11:13:01,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:01,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4814 states to 4404 states and 4814 transitions. [2018-11-18 11:13:01,885 INFO L276 IsEmpty]: Start isEmpty. Operand 4404 states and 4814 transitions. [2018-11-18 11:13:01,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2018-11-18 11:13:01,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:02,138 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 476 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2018-11-18 11:13:02,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:02,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4830 states to 4420 states and 4830 transitions. [2018-11-18 11:13:02,952 INFO L276 IsEmpty]: Start isEmpty. Operand 4420 states and 4830 transitions. [2018-11-18 11:13:02,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2018-11-18 11:13:02,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:03,065 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 476 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2018-11-18 11:13:03,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:03,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4832 states to 4423 states and 4832 transitions. [2018-11-18 11:13:03,630 INFO L276 IsEmpty]: Start isEmpty. Operand 4423 states and 4832 transitions. [2018-11-18 11:13:03,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2018-11-18 11:13:03,632 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:03,742 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 476 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2018-11-18 11:13:04,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:04,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4845 states to 4437 states and 4845 transitions. [2018-11-18 11:13:04,100 INFO L276 IsEmpty]: Start isEmpty. Operand 4437 states and 4845 transitions. [2018-11-18 11:13:04,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-11-18 11:13:04,103 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:05,697 INFO L134 CoverageAnalysis]: Checked inductivity of 883 backedges. 618 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2018-11-18 11:13:08,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:08,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4888 states to 4480 states and 4888 transitions. [2018-11-18 11:13:08,388 INFO L276 IsEmpty]: Start isEmpty. Operand 4480 states and 4888 transitions. [2018-11-18 11:13:08,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-11-18 11:13:08,390 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:09,748 INFO L134 CoverageAnalysis]: Checked inductivity of 883 backedges. 618 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2018-11-18 11:13:10,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:10,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4895 states to 4487 states and 4895 transitions. [2018-11-18 11:13:10,450 INFO L276 IsEmpty]: Start isEmpty. Operand 4487 states and 4895 transitions. [2018-11-18 11:13:10,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-11-18 11:13:10,452 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:11,701 INFO L134 CoverageAnalysis]: Checked inductivity of 883 backedges. 618 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2018-11-18 11:13:12,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:12,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4910 states to 4503 states and 4910 transitions. [2018-11-18 11:13:12,114 INFO L276 IsEmpty]: Start isEmpty. Operand 4503 states and 4910 transitions. [2018-11-18 11:13:12,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2018-11-18 11:13:12,117 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:12,231 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 327 proven. 4 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2018-11-18 11:13:12,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:12,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4912 states to 4506 states and 4912 transitions. [2018-11-18 11:13:12,833 INFO L276 IsEmpty]: Start isEmpty. Operand 4506 states and 4912 transitions. [2018-11-18 11:13:12,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2018-11-18 11:13:12,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:12,921 INFO L134 CoverageAnalysis]: Checked inductivity of 929 backedges. 730 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2018-11-18 11:13:14,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:14,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4953 states to 4545 states and 4953 transitions. [2018-11-18 11:13:14,461 INFO L276 IsEmpty]: Start isEmpty. Operand 4545 states and 4953 transitions. [2018-11-18 11:13:14,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2018-11-18 11:13:14,465 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:14,574 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 649 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2018-11-18 11:13:15,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:15,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4984 states to 4573 states and 4984 transitions. [2018-11-18 11:13:15,480 INFO L276 IsEmpty]: Start isEmpty. Operand 4573 states and 4984 transitions. [2018-11-18 11:13:15,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2018-11-18 11:13:15,482 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:15,590 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 649 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2018-11-18 11:13:16,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:16,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4992 states to 4580 states and 4992 transitions. [2018-11-18 11:13:16,832 INFO L276 IsEmpty]: Start isEmpty. Operand 4580 states and 4992 transitions. [2018-11-18 11:13:16,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2018-11-18 11:13:16,834 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:16,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:16,942 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 649 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2018-11-18 11:13:17,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:17,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5018 states to 4608 states and 5018 transitions. [2018-11-18 11:13:17,580 INFO L276 IsEmpty]: Start isEmpty. Operand 4608 states and 5018 transitions. [2018-11-18 11:13:17,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2018-11-18 11:13:17,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:17,693 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 649 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2018-11-18 11:13:18,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:18,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5035 states to 4625 states and 5035 transitions. [2018-11-18 11:13:18,329 INFO L276 IsEmpty]: Start isEmpty. Operand 4625 states and 5035 transitions. [2018-11-18 11:13:18,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2018-11-18 11:13:18,331 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:18,439 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 649 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2018-11-18 11:13:19,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:19,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5040 states to 4630 states and 5040 transitions. [2018-11-18 11:13:19,022 INFO L276 IsEmpty]: Start isEmpty. Operand 4630 states and 5040 transitions. [2018-11-18 11:13:19,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2018-11-18 11:13:19,025 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:19,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 572 proven. 0 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2018-11-18 11:13:19,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:19,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5043 states to 4634 states and 5043 transitions. [2018-11-18 11:13:19,498 INFO L276 IsEmpty]: Start isEmpty. Operand 4634 states and 5043 transitions. [2018-11-18 11:13:19,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2018-11-18 11:13:19,501 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:19,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1192 backedges. 603 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2018-11-18 11:13:21,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:21,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5067 states to 4655 states and 5067 transitions. [2018-11-18 11:13:21,089 INFO L276 IsEmpty]: Start isEmpty. Operand 4655 states and 5067 transitions. [2018-11-18 11:13:21,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2018-11-18 11:13:21,092 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:21,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1192 backedges. 603 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2018-11-18 11:13:22,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:22,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5110 states to 4697 states and 5110 transitions. [2018-11-18 11:13:22,879 INFO L276 IsEmpty]: Start isEmpty. Operand 4697 states and 5110 transitions. [2018-11-18 11:13:22,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2018-11-18 11:13:22,882 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:23,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1192 backedges. 603 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2018-11-18 11:13:23,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:23,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5143 states to 4729 states and 5143 transitions. [2018-11-18 11:13:23,919 INFO L276 IsEmpty]: Start isEmpty. Operand 4729 states and 5143 transitions. [2018-11-18 11:13:23,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2018-11-18 11:13:23,922 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:24,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1192 backedges. 603 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2018-11-18 11:13:25,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:25,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5175 states to 4762 states and 5175 transitions. [2018-11-18 11:13:25,491 INFO L276 IsEmpty]: Start isEmpty. Operand 4762 states and 5175 transitions. [2018-11-18 11:13:25,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2018-11-18 11:13:25,494 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:25,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1192 backedges. 603 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2018-11-18 11:13:26,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:26,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5188 states to 4776 states and 5188 transitions. [2018-11-18 11:13:26,046 INFO L276 IsEmpty]: Start isEmpty. Operand 4776 states and 5188 transitions. [2018-11-18 11:13:26,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2018-11-18 11:13:26,049 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:26,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1192 backedges. 603 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2018-11-18 11:13:26,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:26,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5197 states to 4786 states and 5197 transitions. [2018-11-18 11:13:26,796 INFO L276 IsEmpty]: Start isEmpty. Operand 4786 states and 5197 transitions. [2018-11-18 11:13:26,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2018-11-18 11:13:26,798 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:27,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1192 backedges. 603 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2018-11-18 11:13:28,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:28,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5205 states to 4793 states and 5205 transitions. [2018-11-18 11:13:28,228 INFO L276 IsEmpty]: Start isEmpty. Operand 4793 states and 5205 transitions. [2018-11-18 11:13:28,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2018-11-18 11:13:28,231 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:13:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:28,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1192 backedges. 603 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2018-11-18 11:13:28,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:13:28,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3556 states to 3303 states and 3556 transitions. [2018-11-18 11:13:28,992 INFO L276 IsEmpty]: Start isEmpty. Operand 3303 states and 3556 transitions. [2018-11-18 11:13:28,993 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:13:28,993 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 236 iterations. [2018-11-18 11:13:28,999 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 11:13:29,279 WARN L180 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 56 [2018-11-18 11:13:29,471 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 45 [2018-11-18 11:13:29,785 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 57 [2018-11-18 11:13:30,067 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 58 [2018-11-18 11:13:30,312 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 56 [2018-11-18 11:13:30,502 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 42 [2018-11-18 11:13:30,658 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 45 [2018-11-18 11:13:30,886 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 46 [2018-11-18 11:13:31,171 WARN L180 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 57 [2018-11-18 11:13:31,382 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 57 [2018-11-18 11:13:31,612 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 46 [2018-11-18 11:13:31,832 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 43 [2018-11-18 11:13:31,975 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 43 [2018-11-18 11:13:32,114 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 43 [2018-11-18 11:13:32,302 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2018-11-18 11:13:32,550 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 54 [2018-11-18 11:13:32,741 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 45 [2018-11-18 11:13:32,935 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 45 [2018-11-18 11:13:33,128 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2018-11-18 11:13:33,332 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 37 [2018-11-18 11:13:33,620 WARN L180 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 57 [2018-11-18 11:13:33,763 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 45 [2018-11-18 11:13:33,912 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 45 [2018-11-18 11:13:34,052 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 43 [2018-11-18 11:13:34,401 WARN L180 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 63 [2018-11-18 11:13:34,592 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 43 [2018-11-18 11:13:34,940 WARN L180 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 45 [2018-11-18 11:13:35,125 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2018-11-18 11:13:35,373 WARN L180 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 55 [2018-11-18 11:13:35,516 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 46 [2018-11-18 11:13:35,761 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 56 [2018-11-18 11:13:35,906 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 43 [2018-11-18 11:13:36,156 WARN L180 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 54 [2018-11-18 11:13:36,304 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 45 [2018-11-18 11:13:36,446 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 43 [2018-11-18 11:13:36,691 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 55 [2018-11-18 11:13:36,829 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 43 [2018-11-18 11:13:36,980 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 43 [2018-11-18 11:13:37,249 WARN L180 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 56 [2018-11-18 11:13:37,529 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 58 [2018-11-18 11:13:37,673 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 43 [2018-11-18 11:13:37,862 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 37 [2018-11-18 11:13:38,056 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 45 [2018-11-18 11:13:38,214 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 43 [2018-11-18 11:13:38,354 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 45 [2018-11-18 11:13:38,628 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 57 [2018-11-18 11:13:38,779 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 46 [2018-11-18 11:13:38,921 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 43 [2018-11-18 11:13:39,231 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 46 [2018-11-18 11:13:39,479 WARN L180 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 54 [2018-11-18 11:13:39,728 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 54 [2018-11-18 11:13:40,101 WARN L180 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 57 [2018-11-18 11:13:40,241 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 45 [2018-11-18 11:13:40,382 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 43 [2018-11-18 11:13:40,569 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2018-11-18 11:13:40,770 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 45 [2018-11-18 11:13:41,041 WARN L180 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 56 [2018-11-18 11:13:41,181 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 42 [2018-11-18 11:13:41,368 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2018-11-18 11:13:41,575 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 37 [2018-11-18 11:13:41,723 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 43 [2018-11-18 11:13:42,019 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 56 [2018-11-18 11:13:42,269 WARN L180 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 54 [2018-11-18 11:13:42,473 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 37 [2018-11-18 11:13:42,631 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 43 [2018-11-18 11:13:42,968 WARN L180 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 64 [2018-11-18 11:13:43,289 WARN L180 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 43 [2018-11-18 11:13:43,428 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 42 [2018-11-18 11:13:43,573 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 45 [2018-11-18 11:13:43,573 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:13:43,576 INFO L579 CodeCheckObserver]: Invariant with dag size 37 [2018-11-18 11:13:43,583 INFO L579 CodeCheckObserver]: Invariant with dag size 37 [2018-11-18 11:13:43,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:13:43 ImpRootNode [2018-11-18 11:13:43,586 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:13:43,586 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:13:43,586 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:13:43,586 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:13:43,586 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:09:47" (3/4) ... [2018-11-18 11:13:43,590 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:13:43,604 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-11-18 11:13:43,605 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 11:13:43,605 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-18 11:13:43,606 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 11:13:43,683 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6b95ec96-a5ce-4144-b603-b5b9191d374a/bin-2019/ukojak/witness.graphml [2018-11-18 11:13:43,683 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:13:43,684 INFO L168 Benchmark]: Toolchain (without parser) took 237925.55 ms. Allocated memory was 1.0 GB in the beginning and 4.7 GB in the end (delta: 3.7 GB). Free memory was 957.0 MB in the beginning and 4.0 GB in the end (delta: -3.0 GB). Peak memory consumption was 626.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:43,684 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:13:43,684 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.82 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 924.8 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:43,685 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.8 MB). Free memory was 924.8 MB in the beginning and 1.2 GB in the end (delta: -243.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:43,685 INFO L168 Benchmark]: Boogie Preprocessor took 41.78 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:43,685 INFO L168 Benchmark]: RCFGBuilder took 1633.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 916.4 MB in the end (delta: 244.8 MB). Peak memory consumption was 244.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:43,685 INFO L168 Benchmark]: CodeCheck took 235684.94 ms. Allocated memory was 1.2 GB in the beginning and 4.7 GB in the end (delta: 3.5 GB). Free memory was 916.4 MB in the beginning and 4.0 GB in the end (delta: -3.1 GB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. [2018-11-18 11:13:43,686 INFO L168 Benchmark]: Witness Printer took 97.39 ms. Allocated memory is still 4.7 GB. Free memory is still 4.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:13:43,687 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, 221.0s OverallTime, 236 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1342023092 SDtfs, 881897512 SDslu, -1341009312 SDs, 0 SdLazy, -1850233344 SolverSat, -1079791488 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1347.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 365475 GetRequests, 359003 SyntacticMatches, 4544 SemanticMatches, 1928 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2943282 ImplicationChecksByTransitivity, 184.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.9s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 20.9s InterpolantComputationTime, 58087 NumberOfCodeBlocks, 58087 NumberOfCodeBlocksAsserted, 235 NumberOfCheckSat, 57852 ConstructedInterpolants, 0 QuantifiedInterpolants, 55065149 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 235 InterpolantComputations, 173 PerfectInterpolantSequences, 77763/78536 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: 457]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((!(a19 == 1) && a28 == 7) || ((((!(a19 == 1) && !(a28 == 8)) && a11 == 1) && !(a17 == 9)) && !(a28 == 11))) || (a28 == 8 && !(a11 == 1))) || (((!(a28 == 8) && a17 == 8) && a11 == 1) && !(a28 == 11))) || ((a19 == 1 && !(a11 == 1)) && !(a28 == 11))) || ((((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1) && !(a11 == 1))) || (a28 == 7 && !(a17 == 9))) || (((a28 == 10 && a17 == 8) && a21 == 1) && a25 == 1)) || ((a17 == 9 && !(a11 == 1)) && !(a28 == 11)) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((!(a19 == 1) && a28 == 7) || ((((!(a19 == 1) && !(a28 == 8)) && a11 == 1) && !(a17 == 9)) && !(a28 == 11))) || (a28 == 8 && !(a11 == 1))) || ((a19 == 1 && !(a11 == 1)) && !(a28 == 11))) || (((!(a28 == 8) && a17 == 8) && a19 == 1) && !(a28 == 11))) || (a28 == 7 && !(a17 == 9))) || ((((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1) && !(a11 == 1))) || (((a28 == 10 && a17 == 8) && a21 == 1) && a25 == 1)) || ((a17 == 9 && !(a11 == 1)) && !(a28 == 11)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.82 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 924.8 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 111.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.8 MB). Free memory was 924.8 MB in the beginning and 1.2 GB in the end (delta: -243.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.78 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1633.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 916.4 MB in the end (delta: 244.8 MB). Peak memory consumption was 244.8 MB. Max. memory is 11.5 GB. * CodeCheck took 235684.94 ms. Allocated memory was 1.2 GB in the beginning and 4.7 GB in the end (delta: 3.5 GB). Free memory was 916.4 MB in the beginning and 4.0 GB in the end (delta: -3.1 GB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. * Witness Printer took 97.39 ms. Allocated memory is still 4.7 GB. Free memory is still 4.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...