./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e0a44806-5ba5-4081-a40d-bc514cbe57db/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e0a44806-5ba5-4081-a40d-bc514cbe57db/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e0a44806-5ba5-4081-a40d-bc514cbe57db/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e0a44806-5ba5-4081-a40d-bc514cbe57db/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e0a44806-5ba5-4081-a40d-bc514cbe57db/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e0a44806-5ba5-4081-a40d-bc514cbe57db/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 6dacd915ddcb2eb31881c9efdd8e6c888fdc7dc2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 12:27:42,383 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:27:42,384 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:27:42,390 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:27:42,390 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:27:42,391 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:27:42,391 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:27:42,392 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:27:42,393 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:27:42,393 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:27:42,394 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:27:42,394 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:27:42,395 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:27:42,395 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:27:42,396 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:27:42,396 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:27:42,396 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:27:42,397 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:27:42,398 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:27:42,399 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:27:42,400 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:27:42,400 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:27:42,401 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:27:42,402 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:27:42,402 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:27:42,402 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:27:42,403 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:27:42,403 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:27:42,404 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:27:42,404 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:27:42,404 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:27:42,405 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:27:42,405 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:27:42,405 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:27:42,406 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:27:42,406 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:27:42,406 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e0a44806-5ba5-4081-a40d-bc514cbe57db/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 12:27:42,414 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:27:42,414 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:27:42,414 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:27:42,414 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 12:27:42,415 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 12:27:42,415 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 12:27:42,415 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:27:42,415 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:27:42,415 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 12:27:42,415 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:27:42,416 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:27:42,416 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:27:42,416 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:27:42,416 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:27:42,416 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:27:42,416 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:27:42,416 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 12:27:42,416 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:27:42,417 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 12:27:42,417 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 12:27:42,417 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:27:42,417 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:27:42,417 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 12:27:42,417 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:27:42,417 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:27:42,417 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:27:42,418 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 12:27:42,418 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:27:42,418 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 12:27:42,418 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_e0a44806-5ba5-4081-a40d-bc514cbe57db/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 -> 6dacd915ddcb2eb31881c9efdd8e6c888fdc7dc2 [2018-12-09 12:27:42,436 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:27:42,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:27:42,444 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:27:42,445 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:27:42,445 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:27:42,445 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e0a44806-5ba5-4081-a40d-bc514cbe57db/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c [2018-12-09 12:27:42,482 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e0a44806-5ba5-4081-a40d-bc514cbe57db/bin-2019/ukojak/data/ab60b05bf/b667dc40464a4704901cb6e4349be673/FLAGfb124873c [2018-12-09 12:27:42,915 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:27:42,916 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e0a44806-5ba5-4081-a40d-bc514cbe57db/sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c [2018-12-09 12:27:42,924 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e0a44806-5ba5-4081-a40d-bc514cbe57db/bin-2019/ukojak/data/ab60b05bf/b667dc40464a4704901cb6e4349be673/FLAGfb124873c [2018-12-09 12:27:42,936 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e0a44806-5ba5-4081-a40d-bc514cbe57db/bin-2019/ukojak/data/ab60b05bf/b667dc40464a4704901cb6e4349be673 [2018-12-09 12:27:42,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:27:42,939 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:27:42,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:27:42,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:27:42,941 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:27:42,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:27:42" (1/1) ... [2018-12-09 12:27:42,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:27:42, skipping insertion in model container [2018-12-09 12:27:42,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:27:42" (1/1) ... [2018-12-09 12:27:42,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:27:42,975 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:27:43,162 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:27:43,165 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:27:43,266 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:27:43,276 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:27:43,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:27:43 WrapperNode [2018-12-09 12:27:43,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:27:43,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:27:43,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:27:43,277 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:27:43,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:27:43" (1/1) ... [2018-12-09 12:27:43,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:27:43" (1/1) ... [2018-12-09 12:27:43,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:27:43,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:27:43,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:27:43,328 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:27:43,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:27:43" (1/1) ... [2018-12-09 12:27:43,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:27:43" (1/1) ... [2018-12-09 12:27:43,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:27:43" (1/1) ... [2018-12-09 12:27:43,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:27:43" (1/1) ... [2018-12-09 12:27:43,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:27:43" (1/1) ... [2018-12-09 12:27:43,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:27:43" (1/1) ... [2018-12-09 12:27:43,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:27:43" (1/1) ... [2018-12-09 12:27:43,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:27:43,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:27:43,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:27:43,370 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:27:43,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:27:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e0a44806-5ba5-4081-a40d-bc514cbe57db/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 12:27:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:27:43,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:27:44,359 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:27:44,359 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 12:27:44,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:27:44 BoogieIcfgContainer [2018-12-09 12:27:44,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:27:44,360 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 12:27:44,361 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 12:27:44,368 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 12:27:44,368 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:27:44" (1/1) ... [2018-12-09 12:27:44,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:27:44,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:44,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-09 12:27:44,400 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-09 12:27:44,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 12:27:44,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:44,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:27:44,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:44,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 145 states and 231 transitions. [2018-12-09 12:27:44,885 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 231 transitions. [2018-12-09 12:27:44,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 12:27:44,886 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:44,999 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 12:27:45,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:45,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 218 states and 309 transitions. [2018-12-09 12:27:45,364 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 309 transitions. [2018-12-09 12:27:45,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 12:27:45,365 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:45,423 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:27:45,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:45,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 288 states and 383 transitions. [2018-12-09 12:27:45,772 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 383 transitions. [2018-12-09 12:27:45,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-09 12:27:45,774 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:45,807 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:27:45,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:45,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 295 states and 393 transitions. [2018-12-09 12:27:45,947 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 393 transitions. [2018-12-09 12:27:45,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 12:27:45,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:46,000 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:27:46,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:46,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 303 states and 405 transitions. [2018-12-09 12:27:46,204 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 405 transitions. [2018-12-09 12:27:46,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 12:27:46,207 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:46,225 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:27:46,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:46,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 310 states and 414 transitions. [2018-12-09 12:27:46,403 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 414 transitions. [2018-12-09 12:27:46,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 12:27:46,404 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:46,422 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:27:46,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:46,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 315 states and 419 transitions. [2018-12-09 12:27:46,443 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 419 transitions. [2018-12-09 12:27:46,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-09 12:27:46,443 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:46,458 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 12:27:46,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:46,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 319 states and 426 transitions. [2018-12-09 12:27:46,624 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 426 transitions. [2018-12-09 12:27:46,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 12:27:46,625 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:46,640 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 12:27:46,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:46,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 332 states and 442 transitions. [2018-12-09 12:27:46,913 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 442 transitions. [2018-12-09 12:27:46,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-09 12:27:46,914 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:47,005 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:27:47,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:47,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 341 states and 456 transitions. [2018-12-09 12:27:47,374 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 456 transitions. [2018-12-09 12:27:47,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 12:27:47,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:47,431 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:27:47,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:47,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 342 states and 458 transitions. [2018-12-09 12:27:47,568 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 458 transitions. [2018-12-09 12:27:47,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 12:27:47,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:47,679 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:27:48,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:48,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 356 states and 478 transitions. [2018-12-09 12:27:48,131 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 478 transitions. [2018-12-09 12:27:48,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 12:27:48,132 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:48,146 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:27:48,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:48,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 357 states and 480 transitions. [2018-12-09 12:27:48,160 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 480 transitions. [2018-12-09 12:27:48,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 12:27:48,161 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:48,214 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:27:48,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:48,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 372 states and 500 transitions. [2018-12-09 12:27:48,715 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 500 transitions. [2018-12-09 12:27:48,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 12:27:48,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:48,731 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:27:48,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:48,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 376 states and 506 transitions. [2018-12-09 12:27:48,830 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 506 transitions. [2018-12-09 12:27:48,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-09 12:27:48,830 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:48,847 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 12:27:48,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:48,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 377 states and 506 transitions. [2018-12-09 12:27:48,869 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 506 transitions. [2018-12-09 12:27:48,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-09 12:27:48,870 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:48,884 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 12:27:49,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:49,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 390 states and 521 transitions. [2018-12-09 12:27:49,006 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 521 transitions. [2018-12-09 12:27:49,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-09 12:27:49,006 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:49,061 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:27:49,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:49,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 392 states and 524 transitions. [2018-12-09 12:27:49,177 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 524 transitions. [2018-12-09 12:27:49,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 12:27:49,178 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:49,193 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 12:27:49,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:49,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 403 states and 535 transitions. [2018-12-09 12:27:49,418 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 535 transitions. [2018-12-09 12:27:49,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 12:27:49,418 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:49,468 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 12:27:49,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:49,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 411 states and 544 transitions. [2018-12-09 12:27:49,698 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 544 transitions. [2018-12-09 12:27:49,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 12:27:49,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:49,715 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 12:27:50,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:50,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 425 states and 560 transitions. [2018-12-09 12:27:50,031 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 560 transitions. [2018-12-09 12:27:50,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 12:27:50,032 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:50,099 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:27:50,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:50,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 449 states and 595 transitions. [2018-12-09 12:27:50,836 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 595 transitions. [2018-12-09 12:27:50,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-09 12:27:50,836 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:50,849 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 12:27:50,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:50,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 452 states and 598 transitions. [2018-12-09 12:27:50,905 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 598 transitions. [2018-12-09 12:27:50,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-09 12:27:50,906 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:50,918 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 12:27:50,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:50,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 457 states and 603 transitions. [2018-12-09 12:27:50,936 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 603 transitions. [2018-12-09 12:27:50,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-09 12:27:50,937 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:50,949 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:27:51,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:51,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 464 states and 612 transitions. [2018-12-09 12:27:51,128 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 612 transitions. [2018-12-09 12:27:51,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 12:27:51,129 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:51,145 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 12:27:51,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:51,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 466 states and 617 transitions. [2018-12-09 12:27:51,273 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 617 transitions. [2018-12-09 12:27:51,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 12:27:51,273 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:51,303 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:27:51,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:51,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 469 states and 621 transitions. [2018-12-09 12:27:51,324 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 621 transitions. [2018-12-09 12:27:51,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 12:27:51,324 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:51,343 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:27:51,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:51,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 483 states and 635 transitions. [2018-12-09 12:27:51,669 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 635 transitions. [2018-12-09 12:27:51,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 12:27:51,669 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:51,682 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:27:51,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:51,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 486 states and 638 transitions. [2018-12-09 12:27:51,808 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 638 transitions. [2018-12-09 12:27:51,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 12:27:51,808 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:51,891 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:27:52,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:52,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 502 states and 659 transitions. [2018-12-09 12:27:52,491 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 659 transitions. [2018-12-09 12:27:52,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 12:27:52,492 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:52,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:52,506 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:27:52,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:52,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 516 states and 677 transitions. [2018-12-09 12:27:52,823 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 677 transitions. [2018-12-09 12:27:52,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-09 12:27:52,824 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:52,838 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:27:52,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:52,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 525 states and 686 transitions. [2018-12-09 12:27:52,886 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 686 transitions. [2018-12-09 12:27:52,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 12:27:52,886 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:53,185 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:27:55,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:55,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 550 states and 723 transitions. [2018-12-09 12:27:55,130 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 723 transitions. [2018-12-09 12:27:55,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 12:27:55,131 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:55,259 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:27:55,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:55,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 551 states and 725 transitions. [2018-12-09 12:27:55,611 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 725 transitions. [2018-12-09 12:27:55,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 12:27:55,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:55,640 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:27:55,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:55,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 567 states and 745 transitions. [2018-12-09 12:27:55,942 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 745 transitions. [2018-12-09 12:27:55,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-09 12:27:55,942 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:55,954 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 12:27:56,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:56,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 576 states and 756 transitions. [2018-12-09 12:27:56,089 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 756 transitions. [2018-12-09 12:27:56,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-09 12:27:56,089 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:56,387 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:27:57,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:57,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 590 states and 773 transitions. [2018-12-09 12:27:57,045 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 773 transitions. [2018-12-09 12:27:57,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 12:27:57,046 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:57,075 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 12:27:57,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:57,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 607 states and 793 transitions. [2018-12-09 12:27:57,469 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 793 transitions. [2018-12-09 12:27:57,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 12:27:57,469 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:57,483 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 12:27:57,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:57,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 615 states and 801 transitions. [2018-12-09 12:27:57,513 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 801 transitions. [2018-12-09 12:27:57,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 12:27:57,513 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:57,527 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 12:27:57,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:57,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 622 states and 812 transitions. [2018-12-09 12:27:57,949 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 812 transitions. [2018-12-09 12:27:57,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 12:27:57,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:57,963 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 12:27:58,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:58,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 626 states and 818 transitions. [2018-12-09 12:27:58,271 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 818 transitions. [2018-12-09 12:27:58,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 12:27:58,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:58,285 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 12:27:58,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:58,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 627 states and 819 transitions. [2018-12-09 12:27:58,461 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 819 transitions. [2018-12-09 12:27:58,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-09 12:27:58,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:58,487 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 12:27:58,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:58,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 628 states and 820 transitions. [2018-12-09 12:27:58,498 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 820 transitions. [2018-12-09 12:27:58,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-09 12:27:58,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:58,519 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 12:27:58,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:58,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 629 states and 822 transitions. [2018-12-09 12:27:58,684 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 822 transitions. [2018-12-09 12:27:58,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-09 12:27:58,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:58,698 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 12:27:58,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:27:58,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 631 states and 824 transitions. [2018-12-09 12:27:58,856 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 824 transitions. [2018-12-09 12:27:58,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-09 12:27:58,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:27:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:27:58,881 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:28:00,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:00,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 642 states and 844 transitions. [2018-12-09 12:28:00,183 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 844 transitions. [2018-12-09 12:28:00,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-09 12:28:00,183 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:00,202 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:28:00,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:00,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 645 states and 846 transitions. [2018-12-09 12:28:00,307 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 846 transitions. [2018-12-09 12:28:00,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-09 12:28:00,308 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:00,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:00,329 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:28:00,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:00,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 648 states and 849 transitions. [2018-12-09 12:28:00,534 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 849 transitions. [2018-12-09 12:28:00,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-09 12:28:00,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:00,660 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:28:01,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:01,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 650 states and 851 transitions. [2018-12-09 12:28:01,103 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 851 transitions. [2018-12-09 12:28:01,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-09 12:28:01,103 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:01,121 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:28:01,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:01,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 653 states and 853 transitions. [2018-12-09 12:28:01,300 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 853 transitions. [2018-12-09 12:28:01,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-09 12:28:01,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:01,316 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 12:28:01,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:01,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 656 states and 856 transitions. [2018-12-09 12:28:01,420 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 856 transitions. [2018-12-09 12:28:01,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-09 12:28:01,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:01,436 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 12:28:01,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:01,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 657 states and 857 transitions. [2018-12-09 12:28:01,448 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 857 transitions. [2018-12-09 12:28:01,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-09 12:28:01,448 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:01,564 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 12:28:01,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:01,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 666 states and 871 transitions. [2018-12-09 12:28:01,876 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 871 transitions. [2018-12-09 12:28:01,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-09 12:28:01,877 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:01,920 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:28:02,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:02,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 679 states and 889 transitions. [2018-12-09 12:28:02,118 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 889 transitions. [2018-12-09 12:28:02,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-09 12:28:02,118 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:02,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:02,435 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:28:05,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:05,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 724 states and 939 transitions. [2018-12-09 12:28:05,224 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 939 transitions. [2018-12-09 12:28:05,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-09 12:28:05,225 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:05,245 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:28:06,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:06,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 741 states and 960 transitions. [2018-12-09 12:28:06,502 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 960 transitions. [2018-12-09 12:28:06,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-09 12:28:06,503 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:06,523 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:28:06,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:06,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 775 states and 996 transitions. [2018-12-09 12:28:06,851 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 996 transitions. [2018-12-09 12:28:06,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 12:28:06,852 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:07,031 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 12:28:08,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:08,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 784 states and 1011 transitions. [2018-12-09 12:28:08,111 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1011 transitions. [2018-12-09 12:28:08,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 12:28:08,112 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:08,137 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 12:28:08,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:08,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 797 states and 1024 transitions. [2018-12-09 12:28:08,173 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1024 transitions. [2018-12-09 12:28:08,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 12:28:08,173 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:08,194 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 12:28:08,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:09,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 808 states and 1036 transitions. [2018-12-09 12:28:09,000 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1036 transitions. [2018-12-09 12:28:09,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 12:28:09,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:09,018 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 12:28:09,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:09,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 810 states and 1037 transitions. [2018-12-09 12:28:09,035 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1037 transitions. [2018-12-09 12:28:09,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-09 12:28:09,035 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:09,268 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 12:28:10,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:10,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 849 states and 1080 transitions. [2018-12-09 12:28:10,276 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1080 transitions. [2018-12-09 12:28:10,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-09 12:28:10,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:10,293 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 12:28:10,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:10,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 854 states and 1086 transitions. [2018-12-09 12:28:10,319 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1086 transitions. [2018-12-09 12:28:10,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-09 12:28:10,320 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:10,337 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 12:28:10,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:10,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 867 states and 1103 transitions. [2018-12-09 12:28:10,718 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1103 transitions. [2018-12-09 12:28:10,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 12:28:10,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:11,190 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 12:28:12,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:12,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 880 states and 1122 transitions. [2018-12-09 12:28:12,326 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1122 transitions. [2018-12-09 12:28:12,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-09 12:28:12,327 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:12,361 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:28:12,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:12,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 897 states and 1141 transitions. [2018-12-09 12:28:12,416 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1141 transitions. [2018-12-09 12:28:12,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-09 12:28:12,417 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:12,441 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:28:12,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:12,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 916 states and 1164 transitions. [2018-12-09 12:28:12,516 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1164 transitions. [2018-12-09 12:28:12,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 12:28:12,517 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:12,645 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:28:15,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:15,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 928 states and 1191 transitions. [2018-12-09 12:28:15,564 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1191 transitions. [2018-12-09 12:28:15,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 12:28:15,565 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:15,610 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:28:15,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:15,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 935 states and 1199 transitions. [2018-12-09 12:28:15,748 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1199 transitions. [2018-12-09 12:28:15,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 12:28:15,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:15,786 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:28:16,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:16,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 936 states and 1200 transitions. [2018-12-09 12:28:16,020 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1200 transitions. [2018-12-09 12:28:16,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 12:28:16,021 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:16,055 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:28:16,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:16,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 938 states and 1201 transitions. [2018-12-09 12:28:16,191 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1201 transitions. [2018-12-09 12:28:16,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 12:28:16,192 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:16,215 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 12:28:16,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:16,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 947 states and 1211 transitions. [2018-12-09 12:28:16,477 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1211 transitions. [2018-12-09 12:28:16,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 12:28:16,478 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:16,503 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 12:28:16,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:16,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 950 states and 1213 transitions. [2018-12-09 12:28:16,547 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1213 transitions. [2018-12-09 12:28:16,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 12:28:16,547 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:17,224 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 12:28:19,543 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-09 12:28:21,791 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 26 [2018-12-09 12:28:22,584 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-09 12:28:25,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:25,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1008 states and 1275 transitions. [2018-12-09 12:28:25,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1275 transitions. [2018-12-09 12:28:25,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-09 12:28:25,381 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:25,405 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-09 12:28:25,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:25,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1022 states and 1292 transitions. [2018-12-09 12:28:25,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1292 transitions. [2018-12-09 12:28:25,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-09 12:28:25,991 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:26,013 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-09 12:28:26,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:26,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1026 states and 1295 transitions. [2018-12-09 12:28:26,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1295 transitions. [2018-12-09 12:28:26,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-09 12:28:26,348 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:26,372 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-09 12:28:26,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:26,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1027 states and 1296 transitions. [2018-12-09 12:28:26,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1296 transitions. [2018-12-09 12:28:26,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 12:28:26,605 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:26,628 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 12:28:26,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:26,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1044 states and 1314 transitions. [2018-12-09 12:28:26,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1314 transitions. [2018-12-09 12:28:26,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 12:28:26,680 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:26,701 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:28:26,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:26,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1049 states and 1319 transitions. [2018-12-09 12:28:26,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1319 transitions. [2018-12-09 12:28:26,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 12:28:26,723 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:26,743 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:28:26,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:26,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1051 states and 1320 transitions. [2018-12-09 12:28:26,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1320 transitions. [2018-12-09 12:28:26,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 12:28:26,989 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:27,470 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:28:28,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:28,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1057 states and 1331 transitions. [2018-12-09 12:28:28,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1331 transitions. [2018-12-09 12:28:28,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 12:28:28,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:28,525 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 12:28:28,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:28,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1062 states and 1336 transitions. [2018-12-09 12:28:28,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1336 transitions. [2018-12-09 12:28:28,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 12:28:28,719 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:28,749 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 12:28:28,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:28,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1063 states and 1336 transitions. [2018-12-09 12:28:28,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1336 transitions. [2018-12-09 12:28:28,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 12:28:28,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:28,898 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 12:28:28,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:28,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1082 states and 1356 transitions. [2018-12-09 12:28:28,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1356 transitions. [2018-12-09 12:28:28,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 12:28:28,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:28,986 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 12:28:30,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:30,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1092 states and 1366 transitions. [2018-12-09 12:28:30,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1366 transitions. [2018-12-09 12:28:30,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 12:28:30,554 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:31,186 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 89 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:28:32,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:33,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1121 states and 1402 transitions. [2018-12-09 12:28:33,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1402 transitions. [2018-12-09 12:28:33,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 12:28:33,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:33,049 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 89 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:28:33,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:33,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1123 states and 1403 transitions. [2018-12-09 12:28:33,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1403 transitions. [2018-12-09 12:28:33,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-09 12:28:33,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:33,563 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 12:28:35,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:35,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1181 states and 1464 transitions. [2018-12-09 12:28:35,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1464 transitions. [2018-12-09 12:28:35,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-09 12:28:35,690 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:35,740 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 12:28:36,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:36,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 1190 states and 1472 transitions. [2018-12-09 12:28:36,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1472 transitions. [2018-12-09 12:28:36,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-09 12:28:36,505 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:36,555 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 12:28:36,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:36,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1192 states and 1473 transitions. [2018-12-09 12:28:36,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1473 transitions. [2018-12-09 12:28:36,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-09 12:28:36,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:36,843 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 12:28:38,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:38,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1204 states and 1489 transitions. [2018-12-09 12:28:38,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1489 transitions. [2018-12-09 12:28:38,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 12:28:38,183 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:38,939 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:28:40,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:40,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1272 states and 1567 transitions. [2018-12-09 12:28:40,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1567 transitions. [2018-12-09 12:28:40,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-09 12:28:40,576 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:40,610 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:28:40,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:40,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1274 states and 1570 transitions. [2018-12-09 12:28:40,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1570 transitions. [2018-12-09 12:28:40,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-09 12:28:40,670 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:41,588 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 98 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:28:44,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:44,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1291 states and 1604 transitions. [2018-12-09 12:28:44,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1604 transitions. [2018-12-09 12:28:44,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-09 12:28:44,312 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:44,344 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 12:28:44,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:44,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1293 states and 1607 transitions. [2018-12-09 12:28:44,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1607 transitions. [2018-12-09 12:28:44,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-12-09 12:28:44,399 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:44,427 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 12:28:44,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:44,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1296 states and 1611 transitions. [2018-12-09 12:28:44,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1611 transitions. [2018-12-09 12:28:44,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-09 12:28:44,586 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:44,727 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 12:28:45,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:45,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 1301 states and 1620 transitions. [2018-12-09 12:28:45,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1620 transitions. [2018-12-09 12:28:45,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-09 12:28:45,584 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:45,656 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 107 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:28:45,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:45,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1306 states and 1625 transitions. [2018-12-09 12:28:45,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1306 states and 1625 transitions. [2018-12-09 12:28:45,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-09 12:28:45,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:46,653 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 145 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 12:28:47,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:47,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1317 states and 1643 transitions. [2018-12-09 12:28:47,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1643 transitions. [2018-12-09 12:28:47,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-09 12:28:47,670 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:47,809 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 145 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 12:28:48,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:48,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1319 states and 1649 transitions. [2018-12-09 12:28:48,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1649 transitions. [2018-12-09 12:28:48,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-09 12:28:48,124 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:48,163 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:28:48,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:48,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1329 states and 1660 transitions. [2018-12-09 12:28:48,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1660 transitions. [2018-12-09 12:28:48,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-09 12:28:48,201 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:48,578 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:28:50,344 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2018-12-09 12:28:51,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:51,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1362 states and 1696 transitions. [2018-12-09 12:28:51,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1696 transitions. [2018-12-09 12:28:51,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-09 12:28:51,532 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:51,699 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:28:52,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:52,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 1378 states and 1711 transitions. [2018-12-09 12:28:52,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1711 transitions. [2018-12-09 12:28:52,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-09 12:28:52,438 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:52,466 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 98 proven. 2 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-09 12:28:52,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:52,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1388 states and 1721 transitions. [2018-12-09 12:28:52,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 1721 transitions. [2018-12-09 12:28:52,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-09 12:28:52,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:53,485 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 12:28:54,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:54,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 1406 states and 1744 transitions. [2018-12-09 12:28:54,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 1744 transitions. [2018-12-09 12:28:54,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-09 12:28:54,779 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:54,959 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 12:28:55,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:55,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 1415 states and 1752 transitions. [2018-12-09 12:28:55,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 1752 transitions. [2018-12-09 12:28:55,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 12:28:55,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:55,462 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 98 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 12:28:56,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:56,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1826 states to 1485 states and 1826 transitions. [2018-12-09 12:28:56,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1826 transitions. [2018-12-09 12:28:56,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-09 12:28:56,541 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:28:56,587 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-09 12:28:59,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:28:59,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1499 states and 1840 transitions. [2018-12-09 12:28:59,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 1840 transitions. [2018-12-09 12:28:59,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 12:28:59,229 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:28:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:00,401 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 12:29:03,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:03,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 1535 states and 1880 transitions. [2018-12-09 12:29:03,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 1880 transitions. [2018-12-09 12:29:03,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 12:29:03,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:03,378 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 12:29:04,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:04,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 1546 states and 1891 transitions. [2018-12-09 12:29:04,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 1891 transitions. [2018-12-09 12:29:04,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 12:29:04,187 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:04,214 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:29:04,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:04,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 1557 states and 1903 transitions. [2018-12-09 12:29:04,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1903 transitions. [2018-12-09 12:29:04,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-09 12:29:04,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:04,992 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 12:29:05,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:05,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 1566 states and 1919 transitions. [2018-12-09 12:29:05,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 1919 transitions. [2018-12-09 12:29:05,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-09 12:29:05,978 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:06,018 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-12-09 12:29:08,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:08,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1594 states and 1956 transitions. [2018-12-09 12:29:08,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 1956 transitions. [2018-12-09 12:29:08,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-09 12:29:08,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:08,984 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:29:16,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:16,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2013 states to 1639 states and 2013 transitions. [2018-12-09 12:29:16,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 2013 transitions. [2018-12-09 12:29:16,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-09 12:29:16,058 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:16,110 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:29:16,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:16,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2014 states to 1641 states and 2014 transitions. [2018-12-09 12:29:16,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2014 transitions. [2018-12-09 12:29:16,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-09 12:29:16,437 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:16,465 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:29:17,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:17,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2023 states to 1648 states and 2023 transitions. [2018-12-09 12:29:17,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2023 transitions. [2018-12-09 12:29:17,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 12:29:17,065 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:17,167 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 12:29:17,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:17,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 1651 states and 2027 transitions. [2018-12-09 12:29:17,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 2027 transitions. [2018-12-09 12:29:17,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 12:29:17,790 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:17,816 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 12:29:18,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:18,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2029 states to 1652 states and 2029 transitions. [2018-12-09 12:29:18,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 2029 transitions. [2018-12-09 12:29:18,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 12:29:18,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:18,268 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 12:29:19,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:19,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2039 states to 1659 states and 2039 transitions. [2018-12-09 12:29:19,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 2039 transitions. [2018-12-09 12:29:19,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-09 12:29:19,267 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:19,301 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-09 12:29:20,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:20,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2050 states to 1666 states and 2050 transitions. [2018-12-09 12:29:20,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 2050 transitions. [2018-12-09 12:29:20,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 12:29:20,309 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:20,344 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-09 12:29:20,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:20,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2051 states to 1667 states and 2051 transitions. [2018-12-09 12:29:20,525 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2051 transitions. [2018-12-09 12:29:20,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-09 12:29:20,526 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:20,602 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 12:29:22,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:22,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 1706 states and 2098 transitions. [2018-12-09 12:29:22,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 2098 transitions. [2018-12-09 12:29:22,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-09 12:29:22,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:22,732 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 12:29:23,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:23,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 1726 states and 2122 transitions. [2018-12-09 12:29:23,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1726 states and 2122 transitions. [2018-12-09 12:29:23,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-09 12:29:23,283 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:23,344 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 12:29:24,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:24,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 1743 states and 2139 transitions. [2018-12-09 12:29:24,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2139 transitions. [2018-12-09 12:29:24,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-09 12:29:24,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:24,153 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 12:29:24,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:24,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 1749 states and 2145 transitions. [2018-12-09 12:29:24,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 2145 transitions. [2018-12-09 12:29:24,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-09 12:29:24,518 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:24,617 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 12:29:25,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:25,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 1766 states and 2161 transitions. [2018-12-09 12:29:25,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 2161 transitions. [2018-12-09 12:29:25,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-09 12:29:25,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:25,123 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 12:29:25,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:25,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 1775 states and 2169 transitions. [2018-12-09 12:29:25,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2169 transitions. [2018-12-09 12:29:25,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-12-09 12:29:25,343 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:26,969 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 12:29:29,993 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-09 12:29:32,222 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2018-12-09 12:29:36,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:36,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 1802 states and 2200 transitions. [2018-12-09 12:29:36,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2200 transitions. [2018-12-09 12:29:36,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-12-09 12:29:36,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:36,756 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 12:29:37,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:37,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 1804 states and 2201 transitions. [2018-12-09 12:29:37,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2201 transitions. [2018-12-09 12:29:37,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-09 12:29:37,547 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:39,198 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 12:29:41,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:41,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 1805 states and 2203 transitions. [2018-12-09 12:29:41,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2203 transitions. [2018-12-09 12:29:41,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-09 12:29:41,265 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:41,314 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-12-09 12:29:41,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:41,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 1816 states and 2213 transitions. [2018-12-09 12:29:41,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 2213 transitions. [2018-12-09 12:29:41,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-09 12:29:41,843 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:41,920 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 177 proven. 8 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-12-09 12:29:42,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:42,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 1825 states and 2226 transitions. [2018-12-09 12:29:42,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2226 transitions. [2018-12-09 12:29:42,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-09 12:29:42,794 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:42,864 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 177 proven. 8 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-12-09 12:29:43,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:43,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 1830 states and 2229 transitions. [2018-12-09 12:29:43,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2229 transitions. [2018-12-09 12:29:43,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-09 12:29:43,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:44,349 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 12:29:47,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:47,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2258 states to 1851 states and 2258 transitions. [2018-12-09 12:29:47,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1851 states and 2258 transitions. [2018-12-09 12:29:47,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-09 12:29:47,470 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:47,544 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 12:29:47,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:47,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2268 states to 1862 states and 2268 transitions. [2018-12-09 12:29:47,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states and 2268 transitions. [2018-12-09 12:29:47,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-09 12:29:47,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:48,078 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 12:29:49,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:49,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2286 states to 1879 states and 2286 transitions. [2018-12-09 12:29:49,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 2286 transitions. [2018-12-09 12:29:49,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-09 12:29:49,575 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:49,660 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 12:29:49,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:49,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 1881 states and 2289 transitions. [2018-12-09 12:29:49,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2289 transitions. [2018-12-09 12:29:49,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-09 12:29:49,944 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:50,029 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 12:29:50,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:50,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2297 states to 1890 states and 2297 transitions. [2018-12-09 12:29:50,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1890 states and 2297 transitions. [2018-12-09 12:29:50,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-09 12:29:50,505 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:50,582 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-09 12:29:51,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:51,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2300 states to 1893 states and 2300 transitions. [2018-12-09 12:29:51,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1893 states and 2300 transitions. [2018-12-09 12:29:51,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-09 12:29:51,287 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:51,372 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-09 12:29:57,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:57,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2332 states to 1920 states and 2332 transitions. [2018-12-09 12:29:57,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2332 transitions. [2018-12-09 12:29:57,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-09 12:29:57,365 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:57,442 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-09 12:29:58,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:58,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2340 states to 1926 states and 2340 transitions. [2018-12-09 12:29:58,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1926 states and 2340 transitions. [2018-12-09 12:29:58,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-09 12:29:58,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:58,145 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-09 12:29:58,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:29:58,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 1931 states and 2346 transitions. [2018-12-09 12:29:58,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2346 transitions. [2018-12-09 12:29:58,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-09 12:29:58,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:29:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:29:58,792 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-09 12:30:00,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:30:00,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2365 states to 1945 states and 2365 transitions. [2018-12-09 12:30:00,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 2365 transitions. [2018-12-09 12:30:00,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-09 12:30:00,099 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:30:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:30:00,175 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-09 12:30:00,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:30:00,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2378 states to 1957 states and 2378 transitions. [2018-12-09 12:30:00,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 2378 transitions. [2018-12-09 12:30:00,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-09 12:30:00,952 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:30:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:30:01,036 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-09 12:30:01,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:30:01,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2382 states to 1962 states and 2382 transitions. [2018-12-09 12:30:01,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2382 transitions. [2018-12-09 12:30:01,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-09 12:30:01,442 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:30:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:30:01,521 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-09 12:30:01,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:30:01,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 1967 states and 2386 transitions. [2018-12-09 12:30:01,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1967 states and 2386 transitions. [2018-12-09 12:30:01,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-09 12:30:01,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:30:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:30:01,657 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-09 12:30:02,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:30:02,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2390 states to 1972 states and 2390 transitions. [2018-12-09 12:30:02,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 2390 transitions. [2018-12-09 12:30:02,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-09 12:30:02,494 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:30:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:30:02,571 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-09 12:30:03,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:30:03,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2390 states to 1974 states and 2390 transitions. [2018-12-09 12:30:03,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 2390 transitions. [2018-12-09 12:30:03,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-09 12:30:03,251 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:30:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:30:03,336 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-09 12:30:03,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:30:03,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2393 states to 1977 states and 2393 transitions. [2018-12-09 12:30:03,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2393 transitions. [2018-12-09 12:30:03,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-09 12:30:03,390 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:30:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:30:03,475 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-09 12:30:04,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:30:04,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2397 states to 1982 states and 2397 transitions. [2018-12-09 12:30:04,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1982 states and 2397 transitions. [2018-12-09 12:30:04,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-09 12:30:04,291 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:30:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:30:04,376 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-09 12:30:04,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:30:04,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2397 states to 1983 states and 2397 transitions. [2018-12-09 12:30:04,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1983 states and 2397 transitions. [2018-12-09 12:30:04,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-09 12:30:04,832 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:30:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:30:07,042 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 356 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 12:30:12,167 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-09 12:30:13,702 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-09 12:30:16,409 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-09 12:30:27,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:30:27,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 2038 states and 2456 transitions. [2018-12-09 12:30:27,091 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 2456 transitions. [2018-12-09 12:30:27,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-12-09 12:30:27,092 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:30:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:30:27,137 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2018-12-09 12:30:28,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:30:28,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2468 states to 2047 states and 2468 transitions. [2018-12-09 12:30:28,808 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 2468 transitions. [2018-12-09 12:30:28,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-09 12:30:28,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:30:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:30:29,732 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 247 proven. 41 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 12:30:33,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:30:33,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 2070 states and 2499 transitions. [2018-12-09 12:30:33,284 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 2499 transitions. [2018-12-09 12:30:33,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-12-09 12:30:33,286 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:30:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:30:35,526 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2018-12-09 12:30:36,852 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-09 12:30:39,691 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2018-12-09 12:30:44,045 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-09 12:30:49,613 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-09 12:30:51,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:30:51,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2555 states to 2125 states and 2555 transitions. [2018-12-09 12:30:51,457 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2555 transitions. [2018-12-09 12:30:51,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-12-09 12:30:51,458 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:30:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:30:51,608 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-09 12:30:51,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:30:51,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2559 states to 2130 states and 2559 transitions. [2018-12-09 12:30:51,982 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 2559 transitions. [2018-12-09 12:30:51,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-09 12:30:51,983 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:30:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:30:52,663 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-09 12:30:57,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:30:57,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2579 states to 2139 states and 2579 transitions. [2018-12-09 12:30:57,292 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2579 transitions. [2018-12-09 12:30:57,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-09 12:30:57,294 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:30:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:30:57,454 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-09 12:30:59,151 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2018-12-09 12:31:00,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:31:00,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2613 states to 2170 states and 2613 transitions. [2018-12-09 12:31:00,469 INFO L276 IsEmpty]: Start isEmpty. Operand 2170 states and 2613 transitions. [2018-12-09 12:31:00,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-09 12:31:00,471 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:31:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:00,590 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-09 12:31:01,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:31:01,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2203 states and 2645 transitions. [2018-12-09 12:31:01,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2203 states and 2645 transitions. [2018-12-09 12:31:01,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-09 12:31:01,381 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:31:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:01,488 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-09 12:31:01,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:31:01,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 2206 states and 2647 transitions. [2018-12-09 12:31:01,777 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 2647 transitions. [2018-12-09 12:31:01,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 12:31:01,778 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:31:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:03,909 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 12:31:08,880 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-09 12:31:15,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:31:15,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2711 states to 2265 states and 2711 transitions. [2018-12-09 12:31:15,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2265 states and 2711 transitions. [2018-12-09 12:31:15,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 12:31:15,092 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:31:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:15,219 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 12:31:18,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:31:18,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2280 states and 2725 transitions. [2018-12-09 12:31:18,506 INFO L276 IsEmpty]: Start isEmpty. Operand 2280 states and 2725 transitions. [2018-12-09 12:31:18,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 12:31:18,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:31:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:18,695 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 12:31:19,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:31:19,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2281 states and 2726 transitions. [2018-12-09 12:31:19,122 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 2726 transitions. [2018-12-09 12:31:19,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 12:31:19,124 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:31:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:19,252 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 12:31:21,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:31:21,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2751 states to 2305 states and 2751 transitions. [2018-12-09 12:31:21,359 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 2751 transitions. [2018-12-09 12:31:21,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 12:31:21,360 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:31:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:21,487 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 12:31:21,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:31:21,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 2306 states and 2752 transitions. [2018-12-09 12:31:21,968 INFO L276 IsEmpty]: Start isEmpty. Operand 2306 states and 2752 transitions. [2018-12-09 12:31:21,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 12:31:21,969 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:31:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:22,096 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 12:31:27,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:31:27,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2773 states to 2325 states and 2773 transitions. [2018-12-09 12:31:27,049 INFO L276 IsEmpty]: Start isEmpty. Operand 2325 states and 2773 transitions. [2018-12-09 12:31:27,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 12:31:27,050 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:31:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:27,178 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 12:31:27,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:31:27,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2328 states and 2774 transitions. [2018-12-09 12:31:27,463 INFO L276 IsEmpty]: Start isEmpty. Operand 2328 states and 2774 transitions. [2018-12-09 12:31:27,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 12:31:27,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:31:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:28,035 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-09 12:31:29,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:31:29,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2334 states and 2785 transitions. [2018-12-09 12:31:29,079 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 2785 transitions. [2018-12-09 12:31:29,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-09 12:31:29,080 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:31:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:31,728 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-09 12:31:34,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:31:34,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2786 states to 2335 states and 2786 transitions. [2018-12-09 12:31:34,853 INFO L276 IsEmpty]: Start isEmpty. Operand 2335 states and 2786 transitions. [2018-12-09 12:31:34,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-09 12:31:34,854 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:31:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:38,693 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 12:31:41,194 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2018-12-09 12:31:42,004 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2018-12-09 12:31:49,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:31:49,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 2366 states and 2820 transitions. [2018-12-09 12:31:49,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 2820 transitions. [2018-12-09 12:31:49,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-09 12:31:49,573 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:31:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:49,782 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 12:31:52,535 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-09 12:31:56,173 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-09 12:31:58,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:31:58,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 2399 states and 2853 transitions. [2018-12-09 12:31:58,168 INFO L276 IsEmpty]: Start isEmpty. Operand 2399 states and 2853 transitions. [2018-12-09 12:31:58,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-09 12:31:58,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:31:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:58,222 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-09 12:31:59,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:31:59,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2857 states to 2404 states and 2857 transitions. [2018-12-09 12:31:59,760 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 2857 transitions. [2018-12-09 12:31:59,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-09 12:31:59,761 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:31:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:32:01,747 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-09 12:32:10,292 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2018-12-09 12:32:13,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:32:13,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 2446 states and 2901 transitions. [2018-12-09 12:32:13,827 INFO L276 IsEmpty]: Start isEmpty. Operand 2446 states and 2901 transitions. [2018-12-09 12:32:13,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-09 12:32:13,828 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:32:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:32:14,436 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 12:32:20,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:32:20,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2941 states to 2474 states and 2941 transitions. [2018-12-09 12:32:20,376 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 2941 transitions. [2018-12-09 12:32:20,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-09 12:32:20,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:32:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:32:20,473 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 12:32:21,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:32:21,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2952 states to 2480 states and 2952 transitions. [2018-12-09 12:32:21,666 INFO L276 IsEmpty]: Start isEmpty. Operand 2480 states and 2952 transitions. [2018-12-09 12:32:21,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-09 12:32:21,667 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:32:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:32:21,763 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 12:32:22,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:32:22,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2955 states to 2482 states and 2955 transitions. [2018-12-09 12:32:22,353 INFO L276 IsEmpty]: Start isEmpty. Operand 2482 states and 2955 transitions. [2018-12-09 12:32:22,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-09 12:32:22,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:32:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:32:22,490 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 12:32:23,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:32:23,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2963 states to 2491 states and 2963 transitions. [2018-12-09 12:32:23,127 INFO L276 IsEmpty]: Start isEmpty. Operand 2491 states and 2963 transitions. [2018-12-09 12:32:23,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-12-09 12:32:23,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:32:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:32:23,266 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-09 12:32:24,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:32:24,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2974 states to 2503 states and 2974 transitions. [2018-12-09 12:32:24,930 INFO L276 IsEmpty]: Start isEmpty. Operand 2503 states and 2974 transitions. [2018-12-09 12:32:24,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 12:32:24,932 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:32:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:32:26,264 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 383 proven. 55 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 12:32:32,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:32:32,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 2542 states and 3024 transitions. [2018-12-09 12:32:32,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 3024 transitions. [2018-12-09 12:32:32,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-12-09 12:32:32,033 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:32:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:32:32,172 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-09 12:32:35,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:32:35,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 2573 states and 3057 transitions. [2018-12-09 12:32:35,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2573 states and 3057 transitions. [2018-12-09 12:32:35,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-12-09 12:32:35,941 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:32:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:32:36,090 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-09 12:32:38,722 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-09 12:32:39,511 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-09 12:32:40,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:32:40,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3068 states to 2587 states and 3068 transitions. [2018-12-09 12:32:40,341 INFO L276 IsEmpty]: Start isEmpty. Operand 2587 states and 3068 transitions. [2018-12-09 12:32:40,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-09 12:32:40,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:32:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:32:40,491 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 12:32:44,540 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-09 12:32:46,628 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-09 12:32:48,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:32:48,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 2624 states and 3104 transitions. [2018-12-09 12:32:48,962 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 3104 transitions. [2018-12-09 12:32:48,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-12-09 12:32:48,963 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:32:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:32:51,252 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 12:32:53,260 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-09 12:32:55,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:32:55,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 2625 states and 3106 transitions. [2018-12-09 12:32:55,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2625 states and 3106 transitions. [2018-12-09 12:32:55,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-09 12:32:55,733 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:32:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:32:56,318 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-09 12:33:03,738 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-09 12:33:08,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:33:08,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3160 states to 2656 states and 3160 transitions. [2018-12-09 12:33:08,457 INFO L276 IsEmpty]: Start isEmpty. Operand 2656 states and 3160 transitions. [2018-12-09 12:33:08,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-09 12:33:08,459 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:33:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:33:08,703 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-09 12:33:09,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:33:09,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3162 states to 2658 states and 3162 transitions. [2018-12-09 12:33:09,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2658 states and 3162 transitions. [2018-12-09 12:33:09,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-09 12:33:09,092 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:33:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:33:11,652 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-09 12:33:17,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:33:17,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 2659 states and 3164 transitions. [2018-12-09 12:33:17,457 INFO L276 IsEmpty]: Start isEmpty. Operand 2659 states and 3164 transitions. [2018-12-09 12:33:17,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-09 12:33:17,459 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:33:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:33:17,649 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-09 12:33:19,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:33:19,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3174 states to 2666 states and 3174 transitions. [2018-12-09 12:33:19,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2666 states and 3174 transitions. [2018-12-09 12:33:19,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-12-09 12:33:19,671 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:33:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:33:21,064 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 442 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-09 12:33:21,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:33:21,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 2661 states and 3168 transitions. [2018-12-09 12:33:21,832 INFO L276 IsEmpty]: Start isEmpty. Operand 2661 states and 3168 transitions. [2018-12-09 12:33:21,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-09 12:33:21,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:33:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:33:22,880 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 23 [2018-12-09 12:33:23,006 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 397 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-12-09 12:33:23,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:33:23,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 2662 states and 3170 transitions. [2018-12-09 12:33:23,885 INFO L276 IsEmpty]: Start isEmpty. Operand 2662 states and 3170 transitions. [2018-12-09 12:33:23,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-09 12:33:23,886 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:33:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:33:24,698 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 365 proven. 157 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-09 12:33:28,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:33:28,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 2668 states and 3178 transitions. [2018-12-09 12:33:28,204 INFO L276 IsEmpty]: Start isEmpty. Operand 2668 states and 3178 transitions. [2018-12-09 12:33:28,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-09 12:33:28,207 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:33:28,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:33:28,994 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-09 12:33:29,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:33:29,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3186 states to 2673 states and 3186 transitions. [2018-12-09 12:33:29,830 INFO L276 IsEmpty]: Start isEmpty. Operand 2673 states and 3186 transitions. [2018-12-09 12:33:29,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-09 12:33:29,831 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:33:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:33:31,594 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2018-12-09 12:33:33,395 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2018-12-09 12:33:36,345 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 12:33:39,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:33:39,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3188 states to 2674 states and 3188 transitions. [2018-12-09 12:33:39,336 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3188 transitions. [2018-12-09 12:33:39,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-09 12:33:39,338 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:33:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:33:39,504 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 12:33:45,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:33:45,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3236 states to 2721 states and 3236 transitions. [2018-12-09 12:33:45,293 INFO L276 IsEmpty]: Start isEmpty. Operand 2721 states and 3236 transitions. [2018-12-09 12:33:45,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-09 12:33:45,296 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:33:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:33:47,353 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 23 [2018-12-09 12:33:47,480 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 541 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 12:33:55,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:33:55,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3258 states to 2735 states and 3258 transitions. [2018-12-09 12:33:55,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2735 states and 3258 transitions. [2018-12-09 12:33:55,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 12:33:55,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:33:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:33:59,085 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 12:34:03,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:03,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3327 states to 2802 states and 3327 transitions. [2018-12-09 12:34:03,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2802 states and 3327 transitions. [2018-12-09 12:34:03,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 12:34:03,662 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:03,854 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 12:34:04,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:04,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3328 states to 2804 states and 3328 transitions. [2018-12-09 12:34:04,445 INFO L276 IsEmpty]: Start isEmpty. Operand 2804 states and 3328 transitions. [2018-12-09 12:34:04,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 12:34:04,446 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:05,081 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 12:34:05,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:05,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3332 states to 2808 states and 3332 transitions. [2018-12-09 12:34:05,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2808 states and 3332 transitions. [2018-12-09 12:34:05,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 12:34:05,950 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:06,325 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 12:34:06,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:06,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3334 states to 2810 states and 3334 transitions. [2018-12-09 12:34:06,925 INFO L276 IsEmpty]: Start isEmpty. Operand 2810 states and 3334 transitions. [2018-12-09 12:34:06,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 12:34:06,927 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:07,345 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 12:34:14,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:14,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3374 states to 2849 states and 3374 transitions. [2018-12-09 12:34:14,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2849 states and 3374 transitions. [2018-12-09 12:34:14,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-12-09 12:34:14,733 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:20,451 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 473 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-09 12:34:23,269 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-12-09 12:34:36,908 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2018-12-09 12:34:38,776 WARN L180 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-09 12:34:40,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:40,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3426 states to 2901 states and 3426 transitions. [2018-12-09 12:34:40,463 INFO L276 IsEmpty]: Start isEmpty. Operand 2901 states and 3426 transitions. [2018-12-09 12:34:40,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-09 12:34:40,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:41,131 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 424 proven. 104 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-09 12:34:47,273 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-09 12:34:50,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:34:50,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3480 states to 2942 states and 3480 transitions. [2018-12-09 12:34:50,774 INFO L276 IsEmpty]: Start isEmpty. Operand 2942 states and 3480 transitions. [2018-12-09 12:34:50,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-09 12:34:50,776 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:34:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:51,503 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-09 12:35:00,612 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-09 12:35:12,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:12,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3626 states to 3067 states and 3626 transitions. [2018-12-09 12:35:12,184 INFO L276 IsEmpty]: Start isEmpty. Operand 3067 states and 3626 transitions. [2018-12-09 12:35:12,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-09 12:35:12,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:16,510 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 515 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-09 12:35:17,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:17,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3583 states to 3025 states and 3583 transitions. [2018-12-09 12:35:17,370 INFO L276 IsEmpty]: Start isEmpty. Operand 3025 states and 3583 transitions. [2018-12-09 12:35:17,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-09 12:35:17,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:22,120 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 12:35:28,783 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2018-12-09 12:35:35,228 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-09 12:35:36,707 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-09 12:35:39,803 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2018-12-09 12:35:43,778 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2018-12-09 12:35:45,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:45,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3615 states to 3053 states and 3615 transitions. [2018-12-09 12:35:45,595 INFO L276 IsEmpty]: Start isEmpty. Operand 3053 states and 3615 transitions. [2018-12-09 12:35:45,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-09 12:35:45,599 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:45,751 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 486 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2018-12-09 12:35:47,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:47,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3631 states to 3067 states and 3631 transitions. [2018-12-09 12:35:47,402 INFO L276 IsEmpty]: Start isEmpty. Operand 3067 states and 3631 transitions. [2018-12-09 12:35:47,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-09 12:35:47,404 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:47,591 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 12:35:50,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:50,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3644 states to 3081 states and 3644 transitions. [2018-12-09 12:35:50,937 INFO L276 IsEmpty]: Start isEmpty. Operand 3081 states and 3644 transitions. [2018-12-09 12:35:50,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-09 12:35:50,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:51,162 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 12:35:54,157 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-09 12:35:55,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:55,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3669 states to 3108 states and 3669 transitions. [2018-12-09 12:35:55,703 INFO L276 IsEmpty]: Start isEmpty. Operand 3108 states and 3669 transitions. [2018-12-09 12:35:55,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-09 12:35:55,705 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:55,971 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 539 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 12:35:59,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:59,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3696 states to 3131 states and 3696 transitions. [2018-12-09 12:35:59,180 INFO L276 IsEmpty]: Start isEmpty. Operand 3131 states and 3696 transitions. [2018-12-09 12:35:59,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-09 12:35:59,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:59,407 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 539 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 12:36:01,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:01,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3701 states to 3136 states and 3701 transitions. [2018-12-09 12:36:01,474 INFO L276 IsEmpty]: Start isEmpty. Operand 3136 states and 3701 transitions. [2018-12-09 12:36:01,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-09 12:36:01,475 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:01,742 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 539 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 12:36:04,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:04,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3717 states to 3153 states and 3717 transitions. [2018-12-09 12:36:04,456 INFO L276 IsEmpty]: Start isEmpty. Operand 3153 states and 3717 transitions. [2018-12-09 12:36:04,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-09 12:36:04,458 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:04,719 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 539 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 12:36:07,207 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 24 [2018-12-09 12:36:07,852 WARN L180 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2018-12-09 12:36:11,205 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2018-12-09 12:36:14,468 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2018-12-09 12:36:16,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:16,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3751 states to 3187 states and 3751 transitions. [2018-12-09 12:36:16,113 INFO L276 IsEmpty]: Start isEmpty. Operand 3187 states and 3751 transitions. [2018-12-09 12:36:16,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-09 12:36:16,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:16,173 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 490 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2018-12-09 12:36:18,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:18,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3759 states to 3197 states and 3759 transitions. [2018-12-09 12:36:18,194 INFO L276 IsEmpty]: Start isEmpty. Operand 3197 states and 3759 transitions. [2018-12-09 12:36:18,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-09 12:36:18,196 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:18,462 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 539 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 12:36:19,018 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2018-12-09 12:36:22,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:22,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3782 states to 3221 states and 3782 transitions. [2018-12-09 12:36:22,170 INFO L276 IsEmpty]: Start isEmpty. Operand 3221 states and 3782 transitions. [2018-12-09 12:36:22,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-09 12:36:22,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:22,232 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 490 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2018-12-09 12:36:23,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:23,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3782 states to 3222 states and 3782 transitions. [2018-12-09 12:36:23,875 INFO L276 IsEmpty]: Start isEmpty. Operand 3222 states and 3782 transitions. [2018-12-09 12:36:23,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-09 12:36:23,877 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:24,102 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 539 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 12:36:24,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:24,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3782 states to 3223 states and 3782 transitions. [2018-12-09 12:36:24,953 INFO L276 IsEmpty]: Start isEmpty. Operand 3223 states and 3782 transitions. [2018-12-09 12:36:24,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-09 12:36:24,954 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:28,788 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 12:36:31,200 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-09 12:36:36,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:36,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3790 states to 3228 states and 3790 transitions. [2018-12-09 12:36:36,158 INFO L276 IsEmpty]: Start isEmpty. Operand 3228 states and 3790 transitions. [2018-12-09 12:36:36,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-09 12:36:36,160 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:36,338 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 12:36:37,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:37,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3793 states to 3231 states and 3793 transitions. [2018-12-09 12:36:37,041 INFO L276 IsEmpty]: Start isEmpty. Operand 3231 states and 3793 transitions. [2018-12-09 12:36:37,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-09 12:36:37,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:37,167 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2018-12-09 12:36:38,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:38,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3798 states to 3232 states and 3798 transitions. [2018-12-09 12:36:38,508 INFO L276 IsEmpty]: Start isEmpty. Operand 3232 states and 3798 transitions. [2018-12-09 12:36:38,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-12-09 12:36:38,509 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:40,643 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 559 proven. 18 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-09 12:36:53,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:53,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3850 states to 3265 states and 3850 transitions. [2018-12-09 12:36:53,490 INFO L276 IsEmpty]: Start isEmpty. Operand 3265 states and 3850 transitions. [2018-12-09 12:36:53,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-12-09 12:36:53,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:54,302 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 559 proven. 18 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-09 12:36:54,654 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-09 12:36:55,097 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2018-12-09 12:37:07,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:37:07,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3882 states to 3289 states and 3882 transitions. [2018-12-09 12:37:07,400 INFO L276 IsEmpty]: Start isEmpty. Operand 3289 states and 3882 transitions. [2018-12-09 12:37:07,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-12-09 12:37:07,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:37:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:37:07,897 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 559 proven. 18 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-09 12:37:12,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:37:12,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3896 states to 3304 states and 3896 transitions. [2018-12-09 12:37:12,703 INFO L276 IsEmpty]: Start isEmpty. Operand 3304 states and 3896 transitions. [2018-12-09 12:37:12,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-12-09 12:37:12,705 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:37:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:37:13,209 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 559 proven. 18 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-09 12:37:16,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:37:16,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3903 states to 3310 states and 3903 transitions. [2018-12-09 12:37:16,644 INFO L276 IsEmpty]: Start isEmpty. Operand 3310 states and 3903 transitions. [2018-12-09 12:37:16,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-12-09 12:37:16,646 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:37:16,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:37:17,126 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 559 proven. 18 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-09 12:37:18,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:37:18,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3903 states to 3311 states and 3903 transitions. [2018-12-09 12:37:18,047 INFO L276 IsEmpty]: Start isEmpty. Operand 3311 states and 3903 transitions. [2018-12-09 12:37:18,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-12-09 12:37:18,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:37:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:37:18,543 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 559 proven. 18 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-09 12:37:19,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:37:19,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3903 states to 3312 states and 3903 transitions. [2018-12-09 12:37:19,787 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 3903 transitions. [2018-12-09 12:37:19,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-12-09 12:37:19,789 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:37:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:37:19,938 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 519 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-12-09 12:37:22,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:37:22,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3945 states to 3352 states and 3945 transitions. [2018-12-09 12:37:22,915 INFO L276 IsEmpty]: Start isEmpty. Operand 3352 states and 3945 transitions. [2018-12-09 12:37:22,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-12-09 12:37:22,917 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:37:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:37:23,064 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 519 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-12-09 12:37:23,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:37:23,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3968 states to 3377 states and 3968 transitions. [2018-12-09 12:37:23,229 INFO L276 IsEmpty]: Start isEmpty. Operand 3377 states and 3968 transitions. [2018-12-09 12:37:23,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-09 12:37:23,230 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:37:23,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:37:23,525 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 578 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-09 12:37:25,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:37:25,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3973 states to 3381 states and 3973 transitions. [2018-12-09 12:37:25,453 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 3973 transitions. [2018-12-09 12:37:25,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-09 12:37:25,455 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:37:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:37:25,545 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 460 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2018-12-09 12:37:26,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:37:26,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3896 states to 3307 states and 3896 transitions. [2018-12-09 12:37:26,288 INFO L276 IsEmpty]: Start isEmpty. Operand 3307 states and 3896 transitions. [2018-12-09 12:37:26,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 12:37:26,290 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 229 iterations. [2018-12-09 12:37:26,295 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 12:37:26,460 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 36 [2018-12-09 12:37:26,682 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 35 [2018-12-09 12:37:26,946 WARN L180 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 49 [2018-12-09 12:37:27,120 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 35 [2018-12-09 12:37:27,327 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 38 [2018-12-09 12:37:27,595 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 38 [2018-12-09 12:37:27,736 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 12 [2018-12-09 12:37:28,021 WARN L180 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 49 [2018-12-09 12:37:28,308 WARN L180 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 50 [2018-12-09 12:37:28,536 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 12 [2018-12-09 12:37:28,752 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 41 [2018-12-09 12:37:29,029 WARN L180 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 51 [2018-12-09 12:37:29,403 WARN L180 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 50 [2018-12-09 12:37:29,698 WARN L180 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 45 [2018-12-09 12:37:30,126 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 41 [2018-12-09 12:37:30,592 WARN L180 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 46 [2018-12-09 12:37:30,793 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 35 [2018-12-09 12:37:31,008 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 38 [2018-12-09 12:37:31,260 WARN L180 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 38 [2018-12-09 12:37:31,569 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 35 [2018-12-09 12:37:31,790 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 37 [2018-12-09 12:37:32,030 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 37 [2018-12-09 12:37:32,332 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 34 [2018-12-09 12:37:32,636 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 35 [2018-12-09 12:37:32,834 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 37 [2018-12-09 12:37:33,096 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 37 [2018-12-09 12:37:33,342 WARN L180 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 37 [2018-12-09 12:37:33,678 WARN L180 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 51 [2018-12-09 12:37:33,911 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 37 [2018-12-09 12:37:34,153 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 41 [2018-12-09 12:37:34,458 WARN L180 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 38 [2018-12-09 12:37:34,709 WARN L180 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 37 [2018-12-09 12:37:34,824 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2018-12-09 12:37:35,096 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 41 [2018-12-09 12:37:35,221 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 12 [2018-12-09 12:37:35,494 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 35 [2018-12-09 12:37:35,762 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 38 [2018-12-09 12:37:35,973 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 34 [2018-12-09 12:37:36,264 WARN L180 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 50 [2018-12-09 12:37:36,742 WARN L180 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 66 [2018-12-09 12:37:37,036 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 35 [2018-12-09 12:37:37,239 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 35 [2018-12-09 12:37:37,556 WARN L180 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 46 [2018-12-09 12:37:37,858 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 38 [2018-12-09 12:37:38,101 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 38 [2018-12-09 12:37:38,343 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 41 [2018-12-09 12:37:38,685 WARN L180 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 50 [2018-12-09 12:37:38,685 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 12:37:38,687 INFO L583 CodeCheckObserver]: Invariant with dag size 12 [2018-12-09 12:37:38,692 INFO L583 CodeCheckObserver]: Invariant with dag size 12 [2018-12-09 12:37:38,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 12:37:38 ImpRootNode [2018-12-09 12:37:38,693 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 12:37:38,693 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:37:38,693 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:37:38,693 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:37:38,694 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:27:44" (3/4) ... [2018-12-09 12:37:38,696 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 12:37:38,707 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-09 12:37:38,708 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-09 12:37:38,708 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-09 12:37:38,709 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 12:37:38,797 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e0a44806-5ba5-4081-a40d-bc514cbe57db/bin-2019/ukojak/witness.graphml [2018-12-09 12:37:38,797 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:37:38,798 INFO L168 Benchmark]: Toolchain (without parser) took 595859.39 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 954.9 MB in the beginning and 1.5 GB in the end (delta: -592.2 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2018-12-09 12:37:38,798 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:37:38,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -189.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. [2018-12-09 12:37:38,798 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 12:37:38,798 INFO L168 Benchmark]: Boogie Preprocessor took 42.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-09 12:37:38,799 INFO L168 Benchmark]: RCFGBuilder took 990.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 920.4 MB in the end (delta: 210.5 MB). Peak memory consumption was 210.5 MB. Max. memory is 11.5 GB. [2018-12-09 12:37:38,799 INFO L168 Benchmark]: CodeCheck took 594332.37 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 920.4 MB in the beginning and 171.4 MB in the end (delta: 748.9 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-12-09 12:37:38,799 INFO L168 Benchmark]: Witness Printer took 103.96 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 69.2 MB). Free memory was 171.4 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:37:38,800 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 581.9s OverallTime, 229 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 876625928 SDtfs, -1111431412 SDslu, 1765900328 SDs, 0 SdLazy, -1939116724 SolverSat, -1997976428 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1233.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 299483 GetRequests, 288656 SyntacticMatches, 8317 SemanticMatches, 2510 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4750234 ImplicationChecksByTransitivity, 538.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.9s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 80.7s InterpolantComputationTime, 46097 NumberOfCodeBlocks, 46097 NumberOfCodeBlocksAsserted, 228 NumberOfCheckSat, 45869 ConstructedInterpolants, 0 QuantifiedInterpolants, 77919666 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 228 InterpolantComputations, 162 PerfectInterpolantSequences, 60169/61668 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: 509]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((!(a17 == 1) || a8 == 15) || a7 == 1) || a20 == 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((!(a17 == 1) || a20 == 1) || a8 == 15) || a7 == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 337.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -189.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 990.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 920.4 MB in the end (delta: 210.5 MB). Peak memory consumption was 210.5 MB. Max. memory is 11.5 GB. * CodeCheck took 594332.37 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 920.4 MB in the beginning and 171.4 MB in the end (delta: 748.9 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. * Witness Printer took 103.96 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 69.2 MB). Free memory was 171.4 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...