./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label06_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_9429982d-cd51-4927-85bb-6662ec08c47a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9429982d-cd51-4927-85bb-6662ec08c47a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9429982d-cd51-4927-85bb-6662ec08c47a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9429982d-cd51-4927-85bb-6662ec08c47a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label06_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9429982d-cd51-4927-85bb-6662ec08c47a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9429982d-cd51-4927-85bb-6662ec08c47a/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 4efbed7cd0f5d77b92597ff02e6d19fa8a62de34 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 12:25:45,411 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 12:25:45,412 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 12:25:45,418 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 12:25:45,419 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 12:25:45,419 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 12:25:45,420 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 12:25:45,420 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 12:25:45,421 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 12:25:45,422 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 12:25:45,422 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 12:25:45,422 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 12:25:45,423 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 12:25:45,423 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 12:25:45,424 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 12:25:45,424 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 12:25:45,424 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 12:25:45,425 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 12:25:45,426 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 12:25:45,427 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 12:25:45,427 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 12:25:45,428 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 12:25:45,429 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 12:25:45,429 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 12:25:45,429 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 12:25:45,429 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 12:25:45,430 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 12:25:45,430 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 12:25:45,431 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 12:25:45,431 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 12:25:45,431 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 12:25:45,432 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 12:25:45,432 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 12:25:45,432 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 12:25:45,432 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 12:25:45,433 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 12:25:45,433 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9429982d-cd51-4927-85bb-6662ec08c47a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 12:25:45,440 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 12:25:45,440 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 12:25:45,440 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 12:25:45,440 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 12:25:45,441 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 12:25:45,441 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 12:25:45,441 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 12:25:45,441 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 12:25:45,441 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 12:25:45,441 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 12:25:45,441 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 12:25:45,441 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 12:25:45,442 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 12:25:45,442 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 12:25:45,442 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 12:25:45,442 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 12:25:45,442 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 12:25:45,442 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 12:25:45,442 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 12:25:45,442 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 12:25:45,442 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 12:25:45,442 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 12:25:45,443 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 12:25:45,443 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 12:25:45,443 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 12:25:45,443 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 12:25:45,443 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 12:25:45,443 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 12:25:45,443 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 12:25:45,443 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_9429982d-cd51-4927-85bb-6662ec08c47a/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 -> 4efbed7cd0f5d77b92597ff02e6d19fa8a62de34 [2018-12-08 12:25:45,460 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 12:25:45,466 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 12:25:45,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 12:25:45,469 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 12:25:45,469 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 12:25:45,470 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9429982d-cd51-4927-85bb-6662ec08c47a/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label06_true-unreach-call_false-termination.c [2018-12-08 12:25:45,504 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9429982d-cd51-4927-85bb-6662ec08c47a/bin-2019/ukojak/data/a671f0018/9674a44d1356404d866a93a65e3fec94/FLAGeebb9af14 [2018-12-08 12:25:45,958 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 12:25:45,959 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9429982d-cd51-4927-85bb-6662ec08c47a/sv-benchmarks/c/eca-rers2012/Problem02_label06_true-unreach-call_false-termination.c [2018-12-08 12:25:45,965 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9429982d-cd51-4927-85bb-6662ec08c47a/bin-2019/ukojak/data/a671f0018/9674a44d1356404d866a93a65e3fec94/FLAGeebb9af14 [2018-12-08 12:25:45,974 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9429982d-cd51-4927-85bb-6662ec08c47a/bin-2019/ukojak/data/a671f0018/9674a44d1356404d866a93a65e3fec94 [2018-12-08 12:25:45,976 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 12:25:45,977 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 12:25:45,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 12:25:45,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 12:25:45,979 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 12:25:45,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:25:45" (1/1) ... [2018-12-08 12:25:45,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2caf47c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:25:45, skipping insertion in model container [2018-12-08 12:25:45,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:25:45" (1/1) ... [2018-12-08 12:25:45,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 12:25:46,008 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 12:25:46,176 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:25:46,179 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 12:25:46,261 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:25:46,270 INFO L195 MainTranslator]: Completed translation [2018-12-08 12:25:46,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:25:46 WrapperNode [2018-12-08 12:25:46,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 12:25:46,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 12:25:46,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 12:25:46,271 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 12:25:46,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:25:46" (1/1) ... [2018-12-08 12:25:46,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:25:46" (1/1) ... [2018-12-08 12:25:46,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 12:25:46,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 12:25:46,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 12:25:46,309 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 12:25:46,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:25:46" (1/1) ... [2018-12-08 12:25:46,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:25:46" (1/1) ... [2018-12-08 12:25:46,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:25:46" (1/1) ... [2018-12-08 12:25:46,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:25:46" (1/1) ... [2018-12-08 12:25:46,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:25:46" (1/1) ... [2018-12-08 12:25:46,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:25:46" (1/1) ... [2018-12-08 12:25:46,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:25:46" (1/1) ... [2018-12-08 12:25:46,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 12:25:46,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 12:25:46,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 12:25:46,337 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 12:25:46,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:25:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9429982d-cd51-4927-85bb-6662ec08c47a/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 [2018-12-08 12:25:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 12:25:46,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 12:25:47,367 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 12:25:47,367 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 12:25:47,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:25:47 BoogieIcfgContainer [2018-12-08 12:25:47,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 12:25:47,368 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 12:25:47,368 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 12:25:47,375 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 12:25:47,375 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:25:47" (1/1) ... [2018-12-08 12:25:47,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:25:47,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:47,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-08 12:25:47,405 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-08 12:25:47,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-08 12:25:47,408 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:47,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:25:47,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:47,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 163 states and 251 transitions. [2018-12-08 12:25:47,927 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 251 transitions. [2018-12-08 12:25:47,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-08 12:25:47,929 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:48,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:25:48,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:48,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 242 states and 335 transitions. [2018-12-08 12:25:48,371 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 335 transitions. [2018-12-08 12:25:48,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 12:25:48,373 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:48,409 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:25:48,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:48,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 246 states and 341 transitions. [2018-12-08 12:25:48,558 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 341 transitions. [2018-12-08 12:25:48,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 12:25:48,559 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:48,585 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:25:48,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:48,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 255 states and 353 transitions. [2018-12-08 12:25:48,641 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 353 transitions. [2018-12-08 12:25:48,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-08 12:25:48,643 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:48,664 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:25:48,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:48,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 262 states and 363 transitions. [2018-12-08 12:25:48,801 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 363 transitions. [2018-12-08 12:25:48,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 12:25:48,805 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:48,840 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:25:49,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:49,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 266 states and 370 transitions. [2018-12-08 12:25:49,040 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 370 transitions. [2018-12-08 12:25:49,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 12:25:49,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:49,064 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:25:49,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:49,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 269 states and 373 transitions. [2018-12-08 12:25:49,080 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 373 transitions. [2018-12-08 12:25:49,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-08 12:25:49,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:49,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:49,100 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 12:25:49,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:49,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 273 states and 378 transitions. [2018-12-08 12:25:49,191 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 378 transitions. [2018-12-08 12:25:49,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-08 12:25:49,192 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:49,312 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:25:49,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:49,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 290 states and 404 transitions. [2018-12-08 12:25:49,857 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 404 transitions. [2018-12-08 12:25:49,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 12:25:49,859 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:49,878 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:25:49,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:49,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 295 states and 409 transitions. [2018-12-08 12:25:49,898 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 409 transitions. [2018-12-08 12:25:49,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 12:25:49,899 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:49,921 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:25:49,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:49,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 298 states and 412 transitions. [2018-12-08 12:25:49,980 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 412 transitions. [2018-12-08 12:25:49,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 12:25:49,981 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:49,996 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:25:50,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:50,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 305 states and 419 transitions. [2018-12-08 12:25:50,023 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 419 transitions. [2018-12-08 12:25:50,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 12:25:50,024 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:50,045 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:25:50,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:50,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 309 states and 423 transitions. [2018-12-08 12:25:50,135 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 423 transitions. [2018-12-08 12:25:50,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 12:25:50,136 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:50,214 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:25:50,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:50,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 323 states and 442 transitions. [2018-12-08 12:25:50,535 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 442 transitions. [2018-12-08 12:25:50,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 12:25:50,536 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:50,564 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:25:50,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:50,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 329 states and 449 transitions. [2018-12-08 12:25:50,628 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 449 transitions. [2018-12-08 12:25:50,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-08 12:25:50,629 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:50,681 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 12:25:50,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:50,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 347 states and 470 transitions. [2018-12-08 12:25:50,946 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 470 transitions. [2018-12-08 12:25:50,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 12:25:50,946 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:50,960 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:25:50,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:50,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 349 states and 472 transitions. [2018-12-08 12:25:50,975 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 472 transitions. [2018-12-08 12:25:50,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 12:25:50,975 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:51,049 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:25:51,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:51,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 428 states and 560 transitions. [2018-12-08 12:25:51,493 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 560 transitions. [2018-12-08 12:25:51,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 12:25:51,494 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:51,506 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:25:51,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:51,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 433 states and 565 transitions. [2018-12-08 12:25:51,533 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 565 transitions. [2018-12-08 12:25:51,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 12:25:51,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:51,547 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-08 12:25:51,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:51,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 434 states and 566 transitions. [2018-12-08 12:25:51,600 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 566 transitions. [2018-12-08 12:25:51,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-08 12:25:51,600 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:51,613 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:25:51,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:51,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 437 states and 568 transitions. [2018-12-08 12:25:51,637 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 568 transitions. [2018-12-08 12:25:51,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 12:25:51,638 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:51,653 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:25:51,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:51,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 441 states and 572 transitions. [2018-12-08 12:25:51,685 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 572 transitions. [2018-12-08 12:25:51,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-08 12:25:51,686 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:51,708 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:25:51,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:51,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 442 states and 573 transitions. [2018-12-08 12:25:51,726 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 573 transitions. [2018-12-08 12:25:51,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-08 12:25:51,727 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:51,739 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:25:51,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:51,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 443 states and 574 transitions. [2018-12-08 12:25:51,753 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 574 transitions. [2018-12-08 12:25:51,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-08 12:25:51,754 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:51,836 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 12:25:52,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:52,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 521 states and 655 transitions. [2018-12-08 12:25:52,751 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 655 transitions. [2018-12-08 12:25:52,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-08 12:25:52,752 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:52,826 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:25:53,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:53,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 544 states and 683 transitions. [2018-12-08 12:25:53,399 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 683 transitions. [2018-12-08 12:25:53,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-08 12:25:53,400 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:53,495 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:25:53,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:53,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 554 states and 699 transitions. [2018-12-08 12:25:53,794 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 699 transitions. [2018-12-08 12:25:53,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-08 12:25:53,794 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:53,809 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:25:54,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:54,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 576 states and 722 transitions. [2018-12-08 12:25:54,257 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 722 transitions. [2018-12-08 12:25:54,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-08 12:25:54,257 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:54,345 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:25:55,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:55,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 611 states and 770 transitions. [2018-12-08 12:25:55,301 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 770 transitions. [2018-12-08 12:25:55,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-08 12:25:55,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:55,319 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 12:25:55,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:55,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 617 states and 778 transitions. [2018-12-08 12:25:55,705 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 778 transitions. [2018-12-08 12:25:55,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-08 12:25:55,706 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:55,818 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:25:56,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:56,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 633 states and 797 transitions. [2018-12-08 12:25:56,346 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 797 transitions. [2018-12-08 12:25:56,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-08 12:25:56,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:56,362 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:25:56,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:56,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 654 states and 821 transitions. [2018-12-08 12:25:56,715 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 821 transitions. [2018-12-08 12:25:56,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-08 12:25:56,716 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:56,733 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:25:56,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:56,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 672 states and 842 transitions. [2018-12-08 12:25:56,972 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 842 transitions. [2018-12-08 12:25:56,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-08 12:25:56,973 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:57,197 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:25:58,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:58,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 703 states and 882 transitions. [2018-12-08 12:25:58,544 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 882 transitions. [2018-12-08 12:25:58,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-08 12:25:58,555 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:58,579 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:25:58,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:58,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 708 states and 887 transitions. [2018-12-08 12:25:58,788 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 887 transitions. [2018-12-08 12:25:58,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-08 12:25:58,789 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:58,806 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:25:58,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:58,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 711 states and 890 transitions. [2018-12-08 12:25:58,824 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 890 transitions. [2018-12-08 12:25:58,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 12:25:58,825 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:58,847 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:25:58,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:58,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 716 states and 895 transitions. [2018-12-08 12:25:58,879 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 895 transitions. [2018-12-08 12:25:58,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 12:25:58,880 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:58,901 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:25:58,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:58,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 721 states and 899 transitions. [2018-12-08 12:25:58,986 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 899 transitions. [2018-12-08 12:25:58,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 12:25:58,987 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:59,003 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:25:59,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:59,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 725 states and 902 transitions. [2018-12-08 12:25:59,079 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 902 transitions. [2018-12-08 12:25:59,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 12:25:59,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:59,095 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:25:59,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:59,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 728 states and 905 transitions. [2018-12-08 12:25:59,167 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 905 transitions. [2018-12-08 12:25:59,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 12:25:59,168 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:59,183 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:25:59,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:59,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 731 states and 908 transitions. [2018-12-08 12:25:59,293 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 908 transitions. [2018-12-08 12:25:59,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-08 12:25:59,294 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:59,310 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:25:59,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:59,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 735 states and 917 transitions. [2018-12-08 12:25:59,672 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 917 transitions. [2018-12-08 12:25:59,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-08 12:25:59,672 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:25:59,698 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:25:59,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:25:59,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 768 states and 952 transitions. [2018-12-08 12:25:59,922 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 952 transitions. [2018-12-08 12:25:59,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-08 12:25:59,923 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:25:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:00,007 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 75 proven. 8 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 12:26:00,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:00,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 781 states and 966 transitions. [2018-12-08 12:26:00,166 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 966 transitions. [2018-12-08 12:26:00,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-08 12:26:00,166 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:00,216 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:26:00,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:00,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 810 states and 997 transitions. [2018-12-08 12:26:00,308 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 997 transitions. [2018-12-08 12:26:00,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-08 12:26:00,309 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:00,489 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 71 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:26:02,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:02,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 866 states and 1059 transitions. [2018-12-08 12:26:02,339 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1059 transitions. [2018-12-08 12:26:02,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-08 12:26:02,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:02,361 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:26:02,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:02,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 895 states and 1091 transitions. [2018-12-08 12:26:02,439 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1091 transitions. [2018-12-08 12:26:02,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 12:26:02,440 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:02,677 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:26:05,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:05,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 953 states and 1156 transitions. [2018-12-08 12:26:05,371 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1156 transitions. [2018-12-08 12:26:05,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 12:26:05,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:05,403 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:26:05,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:05,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 962 states and 1165 transitions. [2018-12-08 12:26:05,434 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1165 transitions. [2018-12-08 12:26:05,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 12:26:05,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:05,486 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 12:26:06,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:06,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 982 states and 1188 transitions. [2018-12-08 12:26:06,243 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1188 transitions. [2018-12-08 12:26:06,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 12:26:06,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:06,347 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:26:07,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:07,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 996 states and 1204 transitions. [2018-12-08 12:26:07,020 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1204 transitions. [2018-12-08 12:26:07,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 12:26:07,020 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:07,123 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:26:07,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:07,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1000 states and 1210 transitions. [2018-12-08 12:26:07,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1210 transitions. [2018-12-08 12:26:07,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 12:26:07,545 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:07,569 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:26:07,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:07,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 1016 states and 1228 transitions. [2018-12-08 12:26:07,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1228 transitions. [2018-12-08 12:26:07,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 12:26:07,843 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:07,866 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:26:07,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:07,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1028 states and 1241 transitions. [2018-12-08 12:26:07,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1241 transitions. [2018-12-08 12:26:07,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 12:26:07,902 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:07,922 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 12:26:08,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:08,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1057 states and 1276 transitions. [2018-12-08 12:26:08,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1276 transitions. [2018-12-08 12:26:08,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 12:26:08,553 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:08,758 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:26:10,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:10,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 1078 states and 1302 transitions. [2018-12-08 12:26:10,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1302 transitions. [2018-12-08 12:26:10,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 12:26:10,265 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:10,307 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:26:11,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:11,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1125 states and 1348 transitions. [2018-12-08 12:26:11,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1348 transitions. [2018-12-08 12:26:11,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 12:26:11,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:11,085 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 12:26:11,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:11,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1142 states and 1366 transitions. [2018-12-08 12:26:11,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1366 transitions. [2018-12-08 12:26:11,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 12:26:11,458 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:11,475 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 12:26:11,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:11,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1156 states and 1380 transitions. [2018-12-08 12:26:11,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1380 transitions. [2018-12-08 12:26:11,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-08 12:26:11,716 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:11,782 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 12:26:13,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:13,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1168 states and 1395 transitions. [2018-12-08 12:26:13,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1395 transitions. [2018-12-08 12:26:13,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-08 12:26:13,018 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:13,080 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 12:26:13,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:13,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 1173 states and 1399 transitions. [2018-12-08 12:26:13,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1399 transitions. [2018-12-08 12:26:13,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 12:26:13,368 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:13,434 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 76 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 12:26:13,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:13,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1197 states and 1424 transitions. [2018-12-08 12:26:13,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1424 transitions. [2018-12-08 12:26:13,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-08 12:26:13,576 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:13,660 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:26:14,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:14,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1213 states and 1446 transitions. [2018-12-08 12:26:14,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1446 transitions. [2018-12-08 12:26:14,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-08 12:26:14,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:14,686 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:26:14,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:14,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1218 states and 1450 transitions. [2018-12-08 12:26:14,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1450 transitions. [2018-12-08 12:26:14,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 12:26:14,897 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:14,929 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-08 12:26:15,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:15,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1221 states and 1458 transitions. [2018-12-08 12:26:15,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1458 transitions. [2018-12-08 12:26:15,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-08 12:26:15,198 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:15,673 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 12:26:16,898 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2018-12-08 12:26:17,393 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2018-12-08 12:26:20,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:20,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1275 states and 1513 transitions. [2018-12-08 12:26:20,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1513 transitions. [2018-12-08 12:26:20,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-08 12:26:20,454 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:20,982 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:26:25,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:25,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1304 states and 1545 transitions. [2018-12-08 12:26:25,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 1545 transitions. [2018-12-08 12:26:25,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-08 12:26:25,345 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:25,418 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:26:27,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:27,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1355 states and 1594 transitions. [2018-12-08 12:26:27,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 1594 transitions. [2018-12-08 12:26:27,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-08 12:26:27,137 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:27,564 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 148 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 12:26:28,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:28,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1359 states and 1599 transitions. [2018-12-08 12:26:28,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1599 transitions. [2018-12-08 12:26:28,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 12:26:28,434 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:28,479 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 12:26:28,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:28,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1386 states and 1628 transitions. [2018-12-08 12:26:28,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 1628 transitions. [2018-12-08 12:26:28,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-08 12:26:28,775 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:28,804 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 12:26:28,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:28,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1436 states and 1680 transitions. [2018-12-08 12:26:28,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 1680 transitions. [2018-12-08 12:26:28,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-08 12:26:28,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:28,953 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 12:26:29,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:29,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 1440 states and 1685 transitions. [2018-12-08 12:26:29,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1685 transitions. [2018-12-08 12:26:29,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-08 12:26:29,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:29,555 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 12:26:30,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:30,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1503 states and 1751 transitions. [2018-12-08 12:26:30,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1751 transitions. [2018-12-08 12:26:30,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-08 12:26:30,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:30,926 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 146 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:26:35,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:35,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1599 states and 1859 transitions. [2018-12-08 12:26:35,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 1859 transitions. [2018-12-08 12:26:35,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-08 12:26:35,595 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:35,703 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 146 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:26:35,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:35,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 1603 states and 1862 transitions. [2018-12-08 12:26:35,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 1862 transitions. [2018-12-08 12:26:36,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-08 12:26:36,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:36,058 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-08 12:26:36,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:36,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 1608 states and 1872 transitions. [2018-12-08 12:26:36,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 1872 transitions. [2018-12-08 12:26:36,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-08 12:26:36,473 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:36,531 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-08 12:26:36,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:36,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 1609 states and 1873 transitions. [2018-12-08 12:26:36,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 1873 transitions. [2018-12-08 12:26:36,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-08 12:26:36,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:36,850 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 12:26:36,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:36,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 1610 states and 1873 transitions. [2018-12-08 12:26:36,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 1873 transitions. [2018-12-08 12:26:36,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 12:26:36,978 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:37,084 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 109 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 12:26:37,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:37,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 1643 states and 1907 transitions. [2018-12-08 12:26:37,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 1907 transitions. [2018-12-08 12:26:37,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 12:26:37,283 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:38,289 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 12:26:44,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:44,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1721 states and 1992 transitions. [2018-12-08 12:26:44,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 1992 transitions. [2018-12-08 12:26:44,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 12:26:44,612 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:44,699 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 12:26:45,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:45,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 1727 states and 1997 transitions. [2018-12-08 12:26:45,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 1997 transitions. [2018-12-08 12:26:45,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 12:26:45,476 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:45,567 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 12:26:46,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:46,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2010 states to 1739 states and 2010 transitions. [2018-12-08 12:26:46,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1739 states and 2010 transitions. [2018-12-08 12:26:46,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 12:26:46,690 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:46,774 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 12:26:47,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:47,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2014 states to 1744 states and 2014 transitions. [2018-12-08 12:26:47,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1744 states and 2014 transitions. [2018-12-08 12:26:47,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-08 12:26:47,262 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:47,380 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 153 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:26:47,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:47,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2023 states to 1751 states and 2023 transitions. [2018-12-08 12:26:47,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 2023 transitions. [2018-12-08 12:26:47,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-08 12:26:47,469 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:47,501 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:26:47,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:47,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2045 states to 1767 states and 2045 transitions. [2018-12-08 12:26:47,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 2045 transitions. [2018-12-08 12:26:47,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-08 12:26:47,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:47,597 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-08 12:26:47,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:47,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 1778 states and 2055 transitions. [2018-12-08 12:26:47,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 2055 transitions. [2018-12-08 12:26:47,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-08 12:26:47,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:47,903 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:26:49,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:49,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2134 states to 1856 states and 2134 transitions. [2018-12-08 12:26:49,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 2134 transitions. [2018-12-08 12:26:49,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-08 12:26:49,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:49,493 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 116 proven. 10 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-08 12:26:49,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:49,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2143 states to 1866 states and 2143 transitions. [2018-12-08 12:26:49,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1866 states and 2143 transitions. [2018-12-08 12:26:49,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-08 12:26:49,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:49,697 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-08 12:26:49,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:49,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 1866 states and 2142 transitions. [2018-12-08 12:26:49,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1866 states and 2142 transitions. [2018-12-08 12:26:49,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-08 12:26:49,852 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:49,890 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 135 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-08 12:26:49,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:49,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 1885 states and 2160 transitions. [2018-12-08 12:26:49,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 2160 transitions. [2018-12-08 12:26:49,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-08 12:26:49,945 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:50,075 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 12:26:51,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:51,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 1894 states and 2172 transitions. [2018-12-08 12:26:51,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1894 states and 2172 transitions. [2018-12-08 12:26:51,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-08 12:26:51,082 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:51,134 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 12:26:51,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:51,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 1897 states and 2174 transitions. [2018-12-08 12:26:51,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1897 states and 2174 transitions. [2018-12-08 12:26:51,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-08 12:26:51,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:51,483 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 12:26:53,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:53,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 1915 states and 2193 transitions. [2018-12-08 12:26:53,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1915 states and 2193 transitions. [2018-12-08 12:26:53,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-08 12:26:53,453 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:53,539 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 12:26:54,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:54,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 1925 states and 2202 transitions. [2018-12-08 12:26:54,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1925 states and 2202 transitions. [2018-12-08 12:26:54,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-08 12:26:54,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:54,794 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 12:26:55,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:55,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 1935 states and 2211 transitions. [2018-12-08 12:26:55,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1935 states and 2211 transitions. [2018-12-08 12:26:55,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-08 12:26:55,975 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:56,193 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 177 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 12:26:58,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:58,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2319 states to 2025 states and 2319 transitions. [2018-12-08 12:26:58,270 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 2319 transitions. [2018-12-08 12:26:58,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-08 12:26:58,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:58,356 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 177 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 12:27:00,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:27:00,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 2112 states and 2419 transitions. [2018-12-08 12:27:00,422 INFO L276 IsEmpty]: Start isEmpty. Operand 2112 states and 2419 transitions. [2018-12-08 12:27:00,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-08 12:27:00,423 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:27:00,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:27:00,510 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 177 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 12:27:02,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:27:02,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2454 states to 2147 states and 2454 transitions. [2018-12-08 12:27:02,677 INFO L276 IsEmpty]: Start isEmpty. Operand 2147 states and 2454 transitions. [2018-12-08 12:27:02,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-08 12:27:02,679 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:27:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:27:02,776 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 177 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 12:27:03,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:27:03,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2459 states to 2152 states and 2459 transitions. [2018-12-08 12:27:03,398 INFO L276 IsEmpty]: Start isEmpty. Operand 2152 states and 2459 transitions. [2018-12-08 12:27:03,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-08 12:27:03,400 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:27:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:27:04,392 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:27:11,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:27:11,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2510 states to 2198 states and 2510 transitions. [2018-12-08 12:27:11,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2198 states and 2510 transitions. [2018-12-08 12:27:11,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-08 12:27:11,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:27:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:27:11,361 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:27:16,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:27:16,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 2238 states and 2548 transitions. [2018-12-08 12:27:16,284 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 2548 transitions. [2018-12-08 12:27:16,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-08 12:27:16,286 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:27:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:27:16,425 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:27:20,098 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2018-12-08 12:27:26,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:27:26,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2595 states to 2286 states and 2595 transitions. [2018-12-08 12:27:26,283 INFO L276 IsEmpty]: Start isEmpty. Operand 2286 states and 2595 transitions. [2018-12-08 12:27:26,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-12-08 12:27:26,284 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:27:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:27:26,350 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 152 proven. 15 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-08 12:27:26,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:27:26,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 2294 states and 2603 transitions. [2018-12-08 12:27:26,962 INFO L276 IsEmpty]: Start isEmpty. Operand 2294 states and 2603 transitions. [2018-12-08 12:27:26,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-12-08 12:27:26,963 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:27:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:27:27,034 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 152 proven. 15 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-08 12:27:27,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:27:27,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 2295 states and 2603 transitions. [2018-12-08 12:27:27,065 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 2603 transitions. [2018-12-08 12:27:27,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 12:27:27,066 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:27:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:27:27,821 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:27:33,193 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-08 12:27:35,110 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-08 12:27:40,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:27:40,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2668 states to 2358 states and 2668 transitions. [2018-12-08 12:27:40,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2358 states and 2668 transitions. [2018-12-08 12:27:40,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 12:27:40,263 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:27:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:27:40,360 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:27:41,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:27:41,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2680 states to 2370 states and 2680 transitions. [2018-12-08 12:27:41,388 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 2680 transitions. [2018-12-08 12:27:41,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 12:27:41,389 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:27:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:27:41,510 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:27:42,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:27:42,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2685 states to 2377 states and 2685 transitions. [2018-12-08 12:27:42,518 INFO L276 IsEmpty]: Start isEmpty. Operand 2377 states and 2685 transitions. [2018-12-08 12:27:42,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 12:27:42,519 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:27:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:27:42,616 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:27:49,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:27:49,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2723 states to 2416 states and 2723 transitions. [2018-12-08 12:27:49,284 INFO L276 IsEmpty]: Start isEmpty. Operand 2416 states and 2723 transitions. [2018-12-08 12:27:49,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-08 12:27:49,286 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:27:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:27:49,329 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-08 12:27:49,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:27:49,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2744 states to 2438 states and 2744 transitions. [2018-12-08 12:27:49,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2438 states and 2744 transitions. [2018-12-08 12:27:49,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-08 12:27:49,646 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:27:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:27:49,684 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-08 12:27:50,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:27:50,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2448 states and 2754 transitions. [2018-12-08 12:27:50,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2448 states and 2754 transitions. [2018-12-08 12:27:50,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-08 12:27:50,077 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:27:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:27:50,115 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-08 12:27:50,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:27:50,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2450 states and 2755 transitions. [2018-12-08 12:27:50,393 INFO L276 IsEmpty]: Start isEmpty. Operand 2450 states and 2755 transitions. [2018-12-08 12:27:50,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-08 12:27:50,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:27:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:27:50,432 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-08 12:27:50,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:27:50,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2451 states and 2755 transitions. [2018-12-08 12:27:50,748 INFO L276 IsEmpty]: Start isEmpty. Operand 2451 states and 2755 transitions. [2018-12-08 12:27:50,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-08 12:27:50,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:27:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:27:50,788 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-12-08 12:27:51,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:27:51,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2837 states to 2530 states and 2837 transitions. [2018-12-08 12:27:51,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 2837 transitions. [2018-12-08 12:27:51,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-08 12:27:51,489 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:27:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:27:51,628 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:27:51,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:27:51,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2858 states to 2551 states and 2858 transitions. [2018-12-08 12:27:51,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2551 states and 2858 transitions. [2018-12-08 12:27:51,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-08 12:27:51,971 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:27:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:27:52,251 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:27:55,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:27:55,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2890 states to 2580 states and 2890 transitions. [2018-12-08 12:27:55,324 INFO L276 IsEmpty]: Start isEmpty. Operand 2580 states and 2890 transitions. [2018-12-08 12:27:55,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-08 12:27:55,327 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:27:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:27:55,382 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:27:55,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:27:55,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2600 states and 2909 transitions. [2018-12-08 12:27:55,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2600 states and 2909 transitions. [2018-12-08 12:27:56,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-08 12:27:56,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:27:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:27:56,049 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:27:56,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:27:56,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2913 states to 2605 states and 2913 transitions. [2018-12-08 12:27:56,452 INFO L276 IsEmpty]: Start isEmpty. Operand 2605 states and 2913 transitions. [2018-12-08 12:27:56,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-08 12:27:56,453 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:27:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:27:56,511 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 146 proven. 8 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 12:27:57,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:27:57,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2614 states and 2926 transitions. [2018-12-08 12:27:57,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2614 states and 2926 transitions. [2018-12-08 12:27:57,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-08 12:27:57,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:27:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:27:57,321 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-08 12:27:57,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:27:57,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2615 states and 2926 transitions. [2018-12-08 12:27:57,540 INFO L276 IsEmpty]: Start isEmpty. Operand 2615 states and 2926 transitions. [2018-12-08 12:27:57,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-08 12:27:57,541 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:27:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:27:57,601 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-12-08 12:27:57,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:27:57,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2616 states and 2926 transitions. [2018-12-08 12:27:57,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2616 states and 2926 transitions. [2018-12-08 12:27:57,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-08 12:27:57,822 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:27:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:27:58,681 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:28:05,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:28:05,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 2673 states and 3000 transitions. [2018-12-08 12:28:05,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2673 states and 3000 transitions. [2018-12-08 12:28:06,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 12:28:06,002 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:28:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:28:06,068 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 285 proven. 4 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-08 12:28:06,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:28:06,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 2682 states and 3008 transitions. [2018-12-08 12:28:06,253 INFO L276 IsEmpty]: Start isEmpty. Operand 2682 states and 3008 transitions. [2018-12-08 12:28:06,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 12:28:06,255 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:28:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:28:06,335 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 285 proven. 4 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-08 12:28:06,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:28:06,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3012 states to 2686 states and 3012 transitions. [2018-12-08 12:28:06,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2686 states and 3012 transitions. [2018-12-08 12:28:06,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 12:28:06,554 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:28:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:28:06,643 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 306 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-12-08 12:28:07,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:28:07,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3033 states to 2705 states and 3033 transitions. [2018-12-08 12:28:07,161 INFO L276 IsEmpty]: Start isEmpty. Operand 2705 states and 3033 transitions. [2018-12-08 12:28:07,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-08 12:28:07,162 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:28:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:28:07,232 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 382 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 12:28:11,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:28:11,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3056 states to 2719 states and 3056 transitions. [2018-12-08 12:28:11,124 INFO L276 IsEmpty]: Start isEmpty. Operand 2719 states and 3056 transitions. [2018-12-08 12:28:11,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-08 12:28:11,125 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:28:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:28:11,225 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 382 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 12:28:12,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:28:12,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3083 states to 2742 states and 3083 transitions. [2018-12-08 12:28:12,813 INFO L276 IsEmpty]: Start isEmpty. Operand 2742 states and 3083 transitions. [2018-12-08 12:28:12,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-08 12:28:12,815 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:28:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:28:12,885 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 382 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 12:28:13,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:28:13,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3091 states to 2747 states and 3091 transitions. [2018-12-08 12:28:13,602 INFO L276 IsEmpty]: Start isEmpty. Operand 2747 states and 3091 transitions. [2018-12-08 12:28:13,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-08 12:28:13,603 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:28:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:28:13,704 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 382 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 12:28:14,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:28:14,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3096 states to 2752 states and 3096 transitions. [2018-12-08 12:28:14,971 INFO L276 IsEmpty]: Start isEmpty. Operand 2752 states and 3096 transitions. [2018-12-08 12:28:14,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-08 12:28:14,973 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:28:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:28:15,046 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 382 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 12:28:15,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:28:15,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3102 states to 2757 states and 3102 transitions. [2018-12-08 12:28:15,485 INFO L276 IsEmpty]: Start isEmpty. Operand 2757 states and 3102 transitions. [2018-12-08 12:28:15,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-08 12:28:15,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:28:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:28:15,557 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 382 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 12:28:16,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:28:16,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 2760 states and 3104 transitions. [2018-12-08 12:28:16,079 INFO L276 IsEmpty]: Start isEmpty. Operand 2760 states and 3104 transitions. [2018-12-08 12:28:16,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-12-08 12:28:16,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:28:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:28:16,893 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 344 proven. 8 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-08 12:28:21,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:28:21,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3143 states to 2791 states and 3143 transitions. [2018-12-08 12:28:21,525 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3143 transitions. [2018-12-08 12:28:21,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-12-08 12:28:21,527 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:28:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:28:21,944 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 344 proven. 8 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-08 12:28:24,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:28:24,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 2814 states and 3170 transitions. [2018-12-08 12:28:24,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 3170 transitions. [2018-12-08 12:28:24,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-12-08 12:28:24,568 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:28:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:28:24,998 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 344 proven. 8 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-08 12:28:27,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:28:27,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 2847 states and 3208 transitions. [2018-12-08 12:28:27,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2847 states and 3208 transitions. [2018-12-08 12:28:27,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-12-08 12:28:27,195 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:28:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:28:27,618 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 344 proven. 8 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-08 12:28:29,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:28:29,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3231 states to 2871 states and 3231 transitions. [2018-12-08 12:28:29,368 INFO L276 IsEmpty]: Start isEmpty. Operand 2871 states and 3231 transitions. [2018-12-08 12:28:29,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-12-08 12:28:29,369 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:28:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:28:29,786 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 344 proven. 8 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-08 12:28:30,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:28:30,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3235 states to 2876 states and 3235 transitions. [2018-12-08 12:28:30,550 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 3235 transitions. [2018-12-08 12:28:30,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-12-08 12:28:30,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:28:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:28:30,619 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2018-12-08 12:28:31,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:28:31,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 2892 states and 3252 transitions. [2018-12-08 12:28:31,099 INFO L276 IsEmpty]: Start isEmpty. Operand 2892 states and 3252 transitions. [2018-12-08 12:28:31,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-12-08 12:28:31,101 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:28:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:28:31,193 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2018-12-08 12:28:31,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:28:31,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3255 states to 2896 states and 3255 transitions. [2018-12-08 12:28:31,253 INFO L276 IsEmpty]: Start isEmpty. Operand 2896 states and 3255 transitions. [2018-12-08 12:28:31,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-12-08 12:28:31,255 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:28:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:28:31,521 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-12-08 12:28:32,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:28:32,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3262 states to 2902 states and 3262 transitions. [2018-12-08 12:28:32,723 INFO L276 IsEmpty]: Start isEmpty. Operand 2902 states and 3262 transitions. [2018-12-08 12:28:32,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-08 12:28:32,725 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:28:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:28:32,999 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 370 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-08 12:28:34,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:28:34,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3365 states to 3000 states and 3365 transitions. [2018-12-08 12:28:34,666 INFO L276 IsEmpty]: Start isEmpty. Operand 3000 states and 3365 transitions. [2018-12-08 12:28:34,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-12-08 12:28:34,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:28:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:28:37,286 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-08 12:28:46,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:28:46,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3412 states to 3043 states and 3412 transitions. [2018-12-08 12:28:46,636 INFO L276 IsEmpty]: Start isEmpty. Operand 3043 states and 3412 transitions. [2018-12-08 12:28:46,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-12-08 12:28:46,638 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:28:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:28:46,812 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-08 12:28:49,274 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-08 12:28:50,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:28:50,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3435 states to 3069 states and 3435 transitions. [2018-12-08 12:28:50,667 INFO L276 IsEmpty]: Start isEmpty. Operand 3069 states and 3435 transitions. [2018-12-08 12:28:50,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-08 12:28:50,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:28:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:28:51,111 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-08 12:28:53,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:28:53,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3147 states and 3515 transitions. [2018-12-08 12:28:53,920 INFO L276 IsEmpty]: Start isEmpty. Operand 3147 states and 3515 transitions. [2018-12-08 12:28:53,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-08 12:28:53,923 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:28:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:28:55,534 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 337 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:29:05,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:29:05,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3607 states to 3226 states and 3607 transitions. [2018-12-08 12:29:05,835 INFO L276 IsEmpty]: Start isEmpty. Operand 3226 states and 3607 transitions. [2018-12-08 12:29:05,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-08 12:29:05,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:29:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:29:06,020 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 337 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:29:19,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:29:19,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3684 states to 3298 states and 3684 transitions. [2018-12-08 12:29:19,756 INFO L276 IsEmpty]: Start isEmpty. Operand 3298 states and 3684 transitions. [2018-12-08 12:29:19,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-08 12:29:19,757 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:29:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:29:19,931 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 337 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:29:20,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:29:20,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3692 states to 3307 states and 3692 transitions. [2018-12-08 12:29:20,525 INFO L276 IsEmpty]: Start isEmpty. Operand 3307 states and 3692 transitions. [2018-12-08 12:29:20,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-08 12:29:20,528 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:29:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:29:20,744 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 337 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:29:27,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:29:27,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3723 states to 3340 states and 3723 transitions. [2018-12-08 12:29:27,470 INFO L276 IsEmpty]: Start isEmpty. Operand 3340 states and 3723 transitions. [2018-12-08 12:29:27,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-08 12:29:27,472 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:29:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:29:27,545 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 326 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-12-08 12:29:27,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:29:27,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 3362 states and 3743 transitions. [2018-12-08 12:29:27,651 INFO L276 IsEmpty]: Start isEmpty. Operand 3362 states and 3743 transitions. [2018-12-08 12:29:27,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-08 12:29:27,652 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:29:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:29:27,725 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 326 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-12-08 12:29:28,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:29:28,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3744 states to 3363 states and 3744 transitions. [2018-12-08 12:29:28,035 INFO L276 IsEmpty]: Start isEmpty. Operand 3363 states and 3744 transitions. [2018-12-08 12:29:28,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-08 12:29:28,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:29:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:29:28,109 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 326 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-12-08 12:29:28,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:29:28,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3744 states to 3364 states and 3744 transitions. [2018-12-08 12:29:28,847 INFO L276 IsEmpty]: Start isEmpty. Operand 3364 states and 3744 transitions. [2018-12-08 12:29:28,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-12-08 12:29:28,849 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:29:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:29:28,956 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2018-12-08 12:29:29,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:29:29,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3766 states to 3386 states and 3766 transitions. [2018-12-08 12:29:29,034 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3766 transitions. [2018-12-08 12:29:29,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-08 12:29:29,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:29:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:29:30,738 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 450 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-12-08 12:29:33,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:29:33,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3800 states to 3413 states and 3800 transitions. [2018-12-08 12:29:33,683 INFO L276 IsEmpty]: Start isEmpty. Operand 3413 states and 3800 transitions. [2018-12-08 12:29:33,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-08 12:29:33,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:29:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:29:33,805 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 12 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2018-12-08 12:29:34,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:29:34,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3804 states to 3417 states and 3804 transitions. [2018-12-08 12:29:34,144 INFO L276 IsEmpty]: Start isEmpty. Operand 3417 states and 3804 transitions. [2018-12-08 12:29:34,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-12-08 12:29:34,146 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:29:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:29:34,243 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 454 proven. 8 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-08 12:29:34,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:29:34,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3812 states to 3426 states and 3812 transitions. [2018-12-08 12:29:34,497 INFO L276 IsEmpty]: Start isEmpty. Operand 3426 states and 3812 transitions. [2018-12-08 12:29:34,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-08 12:29:34,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:29:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:29:35,010 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 620 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-08 12:29:35,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:29:35,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3814 states to 3427 states and 3814 transitions. [2018-12-08 12:29:35,608 INFO L276 IsEmpty]: Start isEmpty. Operand 3427 states and 3814 transitions. [2018-12-08 12:29:35,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-08 12:29:35,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:29:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:29:36,152 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 620 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-08 12:29:37,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:29:37,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3817 states to 3430 states and 3817 transitions. [2018-12-08 12:29:37,595 INFO L276 IsEmpty]: Start isEmpty. Operand 3430 states and 3817 transitions. [2018-12-08 12:29:37,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-08 12:29:37,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:29:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:29:39,083 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 536 proven. 23 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 12:29:45,104 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2018-12-08 12:29:54,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:29:54,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3897 states to 3495 states and 3897 transitions. [2018-12-08 12:29:54,208 INFO L276 IsEmpty]: Start isEmpty. Operand 3495 states and 3897 transitions. [2018-12-08 12:29:54,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-08 12:29:54,211 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:29:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:29:54,912 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 536 proven. 23 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 12:30:00,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:30:00,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3930 states to 3528 states and 3930 transitions. [2018-12-08 12:30:00,423 INFO L276 IsEmpty]: Start isEmpty. Operand 3528 states and 3930 transitions. [2018-12-08 12:30:00,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-08 12:30:00,425 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:30:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:30:01,078 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 536 proven. 23 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 12:30:08,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:30:08,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3964 states to 3559 states and 3964 transitions. [2018-12-08 12:30:08,243 INFO L276 IsEmpty]: Start isEmpty. Operand 3559 states and 3964 transitions. [2018-12-08 12:30:08,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-08 12:30:08,245 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:30:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:30:08,957 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 536 proven. 23 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 12:30:10,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:30:10,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3967 states to 3561 states and 3967 transitions. [2018-12-08 12:30:10,107 INFO L276 IsEmpty]: Start isEmpty. Operand 3561 states and 3967 transitions. [2018-12-08 12:30:10,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-08 12:30:10,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:30:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:30:10,827 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 536 proven. 23 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 12:30:11,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:30:11,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3971 states to 3565 states and 3971 transitions. [2018-12-08 12:30:11,409 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 3971 transitions. [2018-12-08 12:30:11,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-12-08 12:30:11,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:30:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:30:11,530 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-12-08 12:30:11,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:30:11,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3972 states to 3567 states and 3972 transitions. [2018-12-08 12:30:11,903 INFO L276 IsEmpty]: Start isEmpty. Operand 3567 states and 3972 transitions. [2018-12-08 12:30:11,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2018-12-08 12:30:11,905 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:30:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:30:12,106 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 651 proven. 6 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-08 12:30:13,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:30:13,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4014 states to 3607 states and 4014 transitions. [2018-12-08 12:30:13,547 INFO L276 IsEmpty]: Start isEmpty. Operand 3607 states and 4014 transitions. [2018-12-08 12:30:13,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-08 12:30:13,549 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:30:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:30:14,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 12:30:19,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:30:19,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4039 states to 3624 states and 4039 transitions. [2018-12-08 12:30:19,319 INFO L276 IsEmpty]: Start isEmpty. Operand 3624 states and 4039 transitions. [2018-12-08 12:30:19,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-08 12:30:19,321 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:30:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:30:20,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 12:30:24,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:30:24,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4060 states to 3643 states and 4060 transitions. [2018-12-08 12:30:24,314 INFO L276 IsEmpty]: Start isEmpty. Operand 3643 states and 4060 transitions. [2018-12-08 12:30:24,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-08 12:30:24,318 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:30:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:30:24,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 12:30:33,444 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2018-12-08 12:30:38,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:30:38,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4120 states to 3700 states and 4120 transitions. [2018-12-08 12:30:38,334 INFO L276 IsEmpty]: Start isEmpty. Operand 3700 states and 4120 transitions. [2018-12-08 12:30:38,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-08 12:30:38,336 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:30:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:30:39,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 12:30:39,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:30:39,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4121 states to 3701 states and 4121 transitions. [2018-12-08 12:30:39,864 INFO L276 IsEmpty]: Start isEmpty. Operand 3701 states and 4121 transitions. [2018-12-08 12:30:39,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-08 12:30:39,867 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:30:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:30:40,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 12:30:43,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:30:43,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4140 states to 3716 states and 4140 transitions. [2018-12-08 12:30:43,099 INFO L276 IsEmpty]: Start isEmpty. Operand 3716 states and 4140 transitions. [2018-12-08 12:30:43,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-08 12:30:43,102 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:30:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:30:44,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 12:30:47,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:30:47,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4164 states to 3735 states and 4164 transitions. [2018-12-08 12:30:47,115 INFO L276 IsEmpty]: Start isEmpty. Operand 3735 states and 4164 transitions. [2018-12-08 12:30:47,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-08 12:30:47,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:30:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:30:47,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 12:30:51,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:30:51,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4190 states to 3763 states and 4190 transitions. [2018-12-08 12:30:51,494 INFO L276 IsEmpty]: Start isEmpty. Operand 3763 states and 4190 transitions. [2018-12-08 12:30:51,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-08 12:30:51,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:30:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:30:52,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 12:30:56,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:30:56,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4230 states to 3799 states and 4230 transitions. [2018-12-08 12:30:56,273 INFO L276 IsEmpty]: Start isEmpty. Operand 3799 states and 4230 transitions. [2018-12-08 12:30:56,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-08 12:30:56,275 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:30:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:30:57,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 12:31:00,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:00,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4252 states to 3823 states and 4252 transitions. [2018-12-08 12:31:00,614 INFO L276 IsEmpty]: Start isEmpty. Operand 3823 states and 4252 transitions. [2018-12-08 12:31:00,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-08 12:31:00,617 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:01,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 12:31:06,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:06,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4284 states to 3855 states and 4284 transitions. [2018-12-08 12:31:06,251 INFO L276 IsEmpty]: Start isEmpty. Operand 3855 states and 4284 transitions. [2018-12-08 12:31:06,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-08 12:31:06,255 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:06,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 12:31:09,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:09,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4293 states to 3866 states and 4293 transitions. [2018-12-08 12:31:09,372 INFO L276 IsEmpty]: Start isEmpty. Operand 3866 states and 4293 transitions. [2018-12-08 12:31:09,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-08 12:31:09,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:10,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 12:31:12,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:12,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4310 states to 3885 states and 4310 transitions. [2018-12-08 12:31:12,432 INFO L276 IsEmpty]: Start isEmpty. Operand 3885 states and 4310 transitions. [2018-12-08 12:31:12,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-08 12:31:12,436 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:13,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 12:31:14,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:14,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4311 states to 3886 states and 4311 transitions. [2018-12-08 12:31:14,895 INFO L276 IsEmpty]: Start isEmpty. Operand 3886 states and 4311 transitions. [2018-12-08 12:31:14,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-08 12:31:14,897 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:15,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 12:31:19,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:19,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4324 states to 3898 states and 4324 transitions. [2018-12-08 12:31:19,262 INFO L276 IsEmpty]: Start isEmpty. Operand 3898 states and 4324 transitions. [2018-12-08 12:31:19,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-08 12:31:19,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:19,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 12:31:20,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:20,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4328 states to 3902 states and 4328 transitions. [2018-12-08 12:31:20,740 INFO L276 IsEmpty]: Start isEmpty. Operand 3902 states and 4328 transitions. [2018-12-08 12:31:20,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-08 12:31:20,742 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:21,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 12:31:23,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:23,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4338 states to 3912 states and 4338 transitions. [2018-12-08 12:31:23,036 INFO L276 IsEmpty]: Start isEmpty. Operand 3912 states and 4338 transitions. [2018-12-08 12:31:23,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-08 12:31:23,038 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:24,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 12:31:25,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:25,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4339 states to 3914 states and 4339 transitions. [2018-12-08 12:31:25,053 INFO L276 IsEmpty]: Start isEmpty. Operand 3914 states and 4339 transitions. [2018-12-08 12:31:25,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-08 12:31:25,055 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:25,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 12:31:27,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:27,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4350 states to 3926 states and 4350 transitions. [2018-12-08 12:31:27,380 INFO L276 IsEmpty]: Start isEmpty. Operand 3926 states and 4350 transitions. [2018-12-08 12:31:27,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-08 12:31:27,382 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:28,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 12:31:29,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:29,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2080 states and 2251 transitions. [2018-12-08 12:31:29,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 2251 transitions. [2018-12-08 12:31:29,596 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 12:31:29,597 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 182 iterations. [2018-12-08 12:31:29,602 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 12:31:29,786 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 54 [2018-12-08 12:31:30,041 WARN L180 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 59 [2018-12-08 12:31:30,347 WARN L180 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 55 [2018-12-08 12:31:30,622 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 56 [2018-12-08 12:31:30,829 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2018-12-08 12:31:31,097 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2018-12-08 12:31:31,224 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2018-12-08 12:31:31,359 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 52 [2018-12-08 12:31:31,588 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 56 [2018-12-08 12:31:31,828 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 56 [2018-12-08 12:31:32,040 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 52 [2018-12-08 12:31:32,154 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2018-12-08 12:31:32,281 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 51 [2018-12-08 12:31:32,418 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 51 [2018-12-08 12:31:32,557 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 51 [2018-12-08 12:31:32,688 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2018-12-08 12:31:32,882 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 55 [2018-12-08 12:31:33,198 WARN L180 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2018-12-08 12:31:33,457 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 59 [2018-12-08 12:31:33,571 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2018-12-08 12:31:33,754 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 42 [2018-12-08 12:31:33,993 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 56 [2018-12-08 12:31:34,140 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 53 [2018-12-08 12:31:34,286 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 53 [2018-12-08 12:31:34,417 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 51 [2018-12-08 12:31:34,699 WARN L180 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 59 [2018-12-08 12:31:34,808 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 46 [2018-12-08 12:31:35,077 WARN L180 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 59 [2018-12-08 12:31:35,200 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2018-12-08 12:31:35,412 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 55 [2018-12-08 12:31:35,562 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 52 [2018-12-08 12:31:35,783 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2018-12-08 12:31:35,915 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 51 [2018-12-08 12:31:36,095 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 55 [2018-12-08 12:31:36,240 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 53 [2018-12-08 12:31:36,350 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 45 [2018-12-08 12:31:36,546 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 55 [2018-12-08 12:31:36,665 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2018-12-08 12:31:36,780 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 49 [2018-12-08 12:31:37,039 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 58 [2018-12-08 12:31:37,304 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2018-12-08 12:31:37,434 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 51 [2018-12-08 12:31:37,606 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 42 [2018-12-08 12:31:37,777 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 55 [2018-12-08 12:31:37,895 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 49 [2018-12-08 12:31:38,041 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 53 [2018-12-08 12:31:38,314 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 54 [2018-12-08 12:31:38,461 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 54 [2018-12-08 12:31:38,667 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2018-12-08 12:31:38,797 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2018-12-08 12:31:38,936 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 52 [2018-12-08 12:31:39,160 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 55 [2018-12-08 12:31:39,359 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 55 [2018-12-08 12:31:39,511 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 45 [2018-12-08 12:31:39,755 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 56 [2018-12-08 12:31:39,892 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 52 [2018-12-08 12:31:40,002 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 45 [2018-12-08 12:31:40,115 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2018-12-08 12:31:40,368 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 59 [2018-12-08 12:31:40,568 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 54 [2018-12-08 12:31:40,772 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2018-12-08 12:31:40,900 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 51 [2018-12-08 12:31:41,081 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 42 [2018-12-08 12:31:41,266 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2018-12-08 12:31:41,440 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 55 [2018-12-08 12:31:41,558 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 49 [2018-12-08 12:31:41,844 WARN L180 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 57 [2018-12-08 12:31:41,981 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 46 [2018-12-08 12:31:42,091 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 44 [2018-12-08 12:31:42,282 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2018-12-08 12:31:42,282 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 12:31:42,285 INFO L583 CodeCheckObserver]: Invariant with dag size 42 [2018-12-08 12:31:42,294 INFO L583 CodeCheckObserver]: Invariant with dag size 42 [2018-12-08 12:31:42,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 12:31:42 ImpRootNode [2018-12-08 12:31:42,296 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 12:31:42,296 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:31:42,296 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:31:42,296 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:31:42,297 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:25:47" (3/4) ... [2018-12-08 12:31:42,301 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 12:31:42,314 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-12-08 12:31:42,315 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-08 12:31:42,315 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-08 12:31:42,316 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 12:31:42,370 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9429982d-cd51-4927-85bb-6662ec08c47a/bin-2019/ukojak/witness.graphml [2018-12-08 12:31:42,370 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:31:42,370 INFO L168 Benchmark]: Toolchain (without parser) took 356393.97 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 646.4 MB). Free memory was 945.3 MB in the beginning and 517.5 MB in the end (delta: 427.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-08 12:31:42,371 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:31:42,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -125.9 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-12-08 12:31:42,371 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-12-08 12:31:42,371 INFO L168 Benchmark]: Boogie Preprocessor took 28.08 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:31:42,371 INFO L168 Benchmark]: RCFGBuilder took 1030.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 838.0 MB in the end (delta: 226.0 MB). Peak memory consumption was 226.0 MB. Max. memory is 11.5 GB. [2018-12-08 12:31:42,371 INFO L168 Benchmark]: CodeCheck took 354928.08 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 557.3 MB). Free memory was 838.0 MB in the beginning and 535.2 MB in the end (delta: 302.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-08 12:31:42,371 INFO L168 Benchmark]: Witness Printer took 73.48 ms. Allocated memory is still 1.7 GB. Free memory was 535.2 MB in the beginning and 517.5 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2018-12-08 12:31:42,372 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, 227 locations, 1 error locations. SAFE Result, 342.2s OverallTime, 182 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1631469472 SDtfs, 1716532422 SDslu, -188300816 SDs, 0 SdLazy, 577248982 SolverSat, -1983300576 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 923.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 262872 GetRequests, 252878 SyntacticMatches, 8124 SemanticMatches, 1870 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2997454 ImplicationChecksByTransitivity, 309.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.7s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 36.2s InterpolantComputationTime, 40833 NumberOfCodeBlocks, 40833 NumberOfCodeBlocksAsserted, 181 NumberOfCheckSat, 40652 ConstructedInterpolants, 0 QuantifiedInterpolants, 48618191 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 181 InterpolantComputations, 108 PerfectInterpolantSequences, 52756/55825 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: 592]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((((a28 == 8 && !(a11 == 1)) || (!(a19 == 1) && a11 == 1)) || ((((a28 == 9 && a17 == 8) && a21 == 1) && a25 == 1) && a11 == 1)) || (((a28 == 10 && a17 == 8) && a21 == 1) && a25 == 1)) || ((((a28 == 9 && a17 == 8) && a21 == 1) && a25 <= 0) && a11 == 1)) || ((a19 == 1 && a28 == 7) && !(a17 == 9))) || ((((a28 == 9 && a17 == 8) && a19 == 1) && a21 == 1) && !(a11 == 1))) || ((((a28 == 10 && a17 == 8) && a19 == 1) && a21 == 1) && !(a11 == 1))) || (((((a28 == 11 && a17 == 8) && a19 == 1) && a21 == 1) && a25 == 1) && !(a11 == 1))) || ((a19 == 1 && a28 == 7) && !(a11 == 1))) || ((((a19 <= 0 && !(a25 == 1)) && a17 == 8) && a28 == 7) && a21 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((a28 == 8 && !(a11 == 1)) || ((((a28 == 9 && a17 == 8) && a21 == 1) && a25 == 1) && a11 == 1)) || (((a28 == 10 && a17 == 8) && a21 == 1) && a25 == 1)) || ((((a28 == 9 && a17 == 8) && a21 == 1) && a25 <= 0) && a11 == 1)) || ((a28 == 7 && a11 == 1) && !(a17 == 9))) || ((((a28 == 9 && a17 == 8) && a19 == 1) && a21 == 1) && !(a11 == 1))) || ((a19 == 1 && a28 == 7) && !(a11 == 1))) || ((((a28 == 10 && a17 == 8) && a19 == 1) && a21 == 1) && !(a11 == 1))) || (((((a28 == 11 && a17 == 8) && a19 == 1) && a21 == 1) && a25 == 1) && !(a11 == 1))) || (!(a19 == 1) && a11 == 1)) || ((((a19 <= 0 && !(a25 == 1)) && a17 == 8) && a28 == 7) && a21 == 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 293.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -125.9 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.08 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1030.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 838.0 MB in the end (delta: 226.0 MB). Peak memory consumption was 226.0 MB. Max. memory is 11.5 GB. * CodeCheck took 354928.08 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 557.3 MB). Free memory was 838.0 MB in the beginning and 535.2 MB in the end (delta: 302.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 73.48 ms. Allocated memory is still 1.7 GB. Free memory was 535.2 MB in the beginning and 517.5 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...