./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label32_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_693dc53e-d287-45c7-ad8c-c06f43e175f0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_693dc53e-d287-45c7-ad8c-c06f43e175f0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_693dc53e-d287-45c7-ad8c-c06f43e175f0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_693dc53e-d287-45c7-ad8c-c06f43e175f0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_693dc53e-d287-45c7-ad8c-c06f43e175f0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_693dc53e-d287-45c7-ad8c-c06f43e175f0/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 3c0664b7713eb65e7600fbc10e17bb0e628a6c66 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 03:19:55,376 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 03:19:55,377 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 03:19:55,383 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 03:19:55,383 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 03:19:55,384 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 03:19:55,384 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 03:19:55,385 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 03:19:55,386 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 03:19:55,386 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 03:19:55,387 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 03:19:55,387 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 03:19:55,387 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 03:19:55,388 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 03:19:55,389 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 03:19:55,389 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 03:19:55,389 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 03:19:55,390 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 03:19:55,391 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 03:19:55,392 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 03:19:55,393 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 03:19:55,393 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 03:19:55,395 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 03:19:55,395 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 03:19:55,395 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 03:19:55,395 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 03:19:55,396 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 03:19:55,396 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 03:19:55,397 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 03:19:55,397 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 03:19:55,398 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 03:19:55,398 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 03:19:55,398 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 03:19:55,398 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 03:19:55,399 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 03:19:55,399 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 03:19:55,399 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_693dc53e-d287-45c7-ad8c-c06f43e175f0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 03:19:55,407 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 03:19:55,407 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 03:19:55,407 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 03:19:55,408 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 03:19:55,408 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 03:19:55,408 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 03:19:55,408 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 03:19:55,408 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 03:19:55,408 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 03:19:55,408 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 03:19:55,408 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 03:19:55,409 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 03:19:55,409 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 03:19:55,409 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 03:19:55,409 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 03:19:55,409 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 03:19:55,409 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 03:19:55,409 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 03:19:55,409 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 03:19:55,409 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 03:19:55,409 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 03:19:55,409 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 03:19:55,409 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 03:19:55,410 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 03:19:55,410 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 03:19:55,410 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 03:19:55,410 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 03:19:55,410 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 03:19:55,410 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 03:19:55,410 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_693dc53e-d287-45c7-ad8c-c06f43e175f0/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 -> 3c0664b7713eb65e7600fbc10e17bb0e628a6c66 [2018-12-09 03:19:55,427 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 03:19:55,434 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 03:19:55,436 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 03:19:55,437 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 03:19:55,437 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 03:19:55,437 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_693dc53e-d287-45c7-ad8c-c06f43e175f0/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c [2018-12-09 03:19:55,472 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_693dc53e-d287-45c7-ad8c-c06f43e175f0/bin-2019/ukojak/data/7762816ee/5f58f47caf994cefa8729ad73e6e7d3f/FLAG8306a50ba [2018-12-09 03:19:55,902 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 03:19:55,903 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_693dc53e-d287-45c7-ad8c-c06f43e175f0/sv-benchmarks/c/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c [2018-12-09 03:19:55,910 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_693dc53e-d287-45c7-ad8c-c06f43e175f0/bin-2019/ukojak/data/7762816ee/5f58f47caf994cefa8729ad73e6e7d3f/FLAG8306a50ba [2018-12-09 03:19:55,918 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_693dc53e-d287-45c7-ad8c-c06f43e175f0/bin-2019/ukojak/data/7762816ee/5f58f47caf994cefa8729ad73e6e7d3f [2018-12-09 03:19:55,920 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 03:19:55,921 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 03:19:55,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 03:19:55,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 03:19:55,923 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 03:19:55,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:19:55" (1/1) ... [2018-12-09 03:19:55,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:19:55, skipping insertion in model container [2018-12-09 03:19:55,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:19:55" (1/1) ... [2018-12-09 03:19:55,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 03:19:55,953 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 03:19:56,127 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 03:19:56,130 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 03:19:56,223 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 03:19:56,233 INFO L195 MainTranslator]: Completed translation [2018-12-09 03:19:56,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:19:56 WrapperNode [2018-12-09 03:19:56,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 03:19:56,234 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 03:19:56,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 03:19:56,234 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 03:19:56,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:19:56" (1/1) ... [2018-12-09 03:19:56,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:19:56" (1/1) ... [2018-12-09 03:19:56,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 03:19:56,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 03:19:56,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 03:19:56,275 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 03:19:56,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:19:56" (1/1) ... [2018-12-09 03:19:56,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:19:56" (1/1) ... [2018-12-09 03:19:56,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:19:56" (1/1) ... [2018-12-09 03:19:56,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:19:56" (1/1) ... [2018-12-09 03:19:56,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:19:56" (1/1) ... [2018-12-09 03:19:56,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:19:56" (1/1) ... [2018-12-09 03:19:56,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:19:56" (1/1) ... [2018-12-09 03:19:56,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 03:19:56,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 03:19:56,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 03:19:56,306 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 03:19:56,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:19:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693dc53e-d287-45c7-ad8c-c06f43e175f0/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 03:19:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 03:19:56,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 03:19:57,331 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 03:19:57,331 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 03:19:57,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:19:57 BoogieIcfgContainer [2018-12-09 03:19:57,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 03:19:57,332 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 03:19:57,332 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 03:19:57,339 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 03:19:57,339 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:19:57" (1/1) ... [2018-12-09 03:19:57,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:19:57,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:19:57,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-09 03:19:57,374 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-09 03:19:57,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 03:19:57,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:19:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:19:57,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:19:57,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:19:57,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 163 states and 240 transitions. [2018-12-09 03:19:57,922 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 240 transitions. [2018-12-09 03:19:57,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 03:19:57,923 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:19:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:19:57,982 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:19:58,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:19:58,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 242 states and 323 transitions. [2018-12-09 03:19:58,292 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 323 transitions. [2018-12-09 03:19:58,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-09 03:19:58,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:19:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:19:58,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 03:19:58,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:19:58,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 243 states and 325 transitions. [2018-12-09 03:19:58,421 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 325 transitions. [2018-12-09 03:19:58,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-09 03:19:58,423 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:19:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:19:58,472 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:19:58,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:19:58,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 261 states and 347 transitions. [2018-12-09 03:19:58,584 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 347 transitions. [2018-12-09 03:19:58,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 03:19:58,586 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:19:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:19:58,648 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 03:19:58,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:19:58,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 283 states and 377 transitions. [2018-12-09 03:19:58,911 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 377 transitions. [2018-12-09 03:19:58,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 03:19:58,913 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:19:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:19:58,930 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:19:58,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:19:58,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 286 states and 380 transitions. [2018-12-09 03:19:58,995 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 380 transitions. [2018-12-09 03:19:58,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-09 03:19:58,995 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:19:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:19:59,082 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:19:59,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:19:59,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 317 states and 420 transitions. [2018-12-09 03:19:59,362 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 420 transitions. [2018-12-09 03:19:59,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 03:19:59,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:19:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:19:59,444 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:19:59,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:19:59,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 321 states and 431 transitions. [2018-12-09 03:19:59,625 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 431 transitions. [2018-12-09 03:19:59,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 03:19:59,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:19:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:19:59,692 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:19:59,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:19:59,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 324 states and 435 transitions. [2018-12-09 03:19:59,761 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 435 transitions. [2018-12-09 03:19:59,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 03:19:59,762 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:19:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:19:59,840 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:20:00,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:00,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 339 states and 451 transitions. [2018-12-09 03:20:00,016 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 451 transitions. [2018-12-09 03:20:00,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 03:20:00,016 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:00,072 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:20:00,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:00,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 342 states and 455 transitions. [2018-12-09 03:20:00,136 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 455 transitions. [2018-12-09 03:20:00,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 03:20:00,137 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:00,203 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:20:00,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:00,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 345 states and 459 transitions. [2018-12-09 03:20:00,286 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 459 transitions. [2018-12-09 03:20:00,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 03:20:00,288 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:00,412 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:20:00,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:00,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 362 states and 488 transitions. [2018-12-09 03:20:00,672 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 488 transitions. [2018-12-09 03:20:00,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-09 03:20:00,672 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:00,854 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:20:01,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:01,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 397 states and 535 transitions. [2018-12-09 03:20:01,678 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 535 transitions. [2018-12-09 03:20:01,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-09 03:20:01,679 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:01,705 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:20:01,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:01,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 400 states and 539 transitions. [2018-12-09 03:20:01,873 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 539 transitions. [2018-12-09 03:20:01,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-09 03:20:01,874 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:01,901 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:20:02,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:02,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 403 states and 543 transitions. [2018-12-09 03:20:02,050 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 543 transitions. [2018-12-09 03:20:02,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-09 03:20:02,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:02,064 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:20:02,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:02,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 407 states and 553 transitions. [2018-12-09 03:20:02,275 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 553 transitions. [2018-12-09 03:20:02,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-09 03:20:02,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:02,297 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:20:02,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:02,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 410 states and 556 transitions. [2018-12-09 03:20:02,417 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 556 transitions. [2018-12-09 03:20:02,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-09 03:20:02,418 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:02,431 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:20:02,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:02,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 413 states and 559 transitions. [2018-12-09 03:20:02,551 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 559 transitions. [2018-12-09 03:20:02,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-09 03:20:02,551 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:02,571 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:20:02,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:02,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 416 states and 562 transitions. [2018-12-09 03:20:02,676 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 562 transitions. [2018-12-09 03:20:02,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-09 03:20:02,677 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:02,730 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 03:20:02,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:02,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 417 states and 565 transitions. [2018-12-09 03:20:02,857 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 565 transitions. [2018-12-09 03:20:02,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-09 03:20:02,858 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:02,931 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:20:03,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:03,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 444 states and 598 transitions. [2018-12-09 03:20:03,687 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 598 transitions. [2018-12-09 03:20:03,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-09 03:20:03,687 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:03,709 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:20:03,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:03,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 477 states and 635 transitions. [2018-12-09 03:20:03,994 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 635 transitions. [2018-12-09 03:20:03,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-09 03:20:03,995 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:04,126 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:20:04,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:04,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 503 states and 665 transitions. [2018-12-09 03:20:04,993 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 665 transitions. [2018-12-09 03:20:04,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-09 03:20:04,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:05,080 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:20:05,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:05,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 508 states and 669 transitions. [2018-12-09 03:20:05,232 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 669 transitions. [2018-12-09 03:20:05,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-09 03:20:05,232 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:05,320 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:20:05,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:05,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 523 states and 685 transitions. [2018-12-09 03:20:05,684 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 685 transitions. [2018-12-09 03:20:05,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-09 03:20:05,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:05,702 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:20:05,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:05,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 534 states and 695 transitions. [2018-12-09 03:20:05,804 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 695 transitions. [2018-12-09 03:20:05,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-09 03:20:05,805 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:05,822 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:20:05,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:05,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 537 states and 698 transitions. [2018-12-09 03:20:05,954 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 698 transitions. [2018-12-09 03:20:05,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-09 03:20:05,954 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:05,970 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:20:06,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:06,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 550 states and 714 transitions. [2018-12-09 03:20:06,222 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 714 transitions. [2018-12-09 03:20:06,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 03:20:06,223 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:06,261 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:20:06,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:06,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 562 states and 725 transitions. [2018-12-09 03:20:06,370 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 725 transitions. [2018-12-09 03:20:06,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 03:20:06,370 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:06,409 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:20:06,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:06,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 571 states and 734 transitions. [2018-12-09 03:20:06,457 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 734 transitions. [2018-12-09 03:20:06,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 03:20:06,458 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:06,560 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:20:06,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:06,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 575 states and 744 transitions. [2018-12-09 03:20:06,898 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 744 transitions. [2018-12-09 03:20:06,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 03:20:06,899 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:06,952 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:20:07,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:07,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 578 states and 753 transitions. [2018-12-09 03:20:07,113 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 753 transitions. [2018-12-09 03:20:07,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 03:20:07,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:07,181 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:20:07,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:07,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 581 states and 758 transitions. [2018-12-09 03:20:07,325 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 758 transitions. [2018-12-09 03:20:07,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 03:20:07,325 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:07,374 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:20:07,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:07,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 584 states and 765 transitions. [2018-12-09 03:20:07,534 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 765 transitions. [2018-12-09 03:20:07,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 03:20:07,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:07,591 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 03:20:07,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:07,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 585 states and 767 transitions. [2018-12-09 03:20:07,727 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 767 transitions. [2018-12-09 03:20:07,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 03:20:07,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:07,759 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 03:20:07,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:07,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 587 states and 769 transitions. [2018-12-09 03:20:07,783 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 769 transitions. [2018-12-09 03:20:07,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-09 03:20:07,783 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:07,813 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:20:07,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:07,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 593 states and 775 transitions. [2018-12-09 03:20:07,842 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 775 transitions. [2018-12-09 03:20:07,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 03:20:07,843 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:07,916 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:20:08,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:08,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 636 states and 821 transitions. [2018-12-09 03:20:08,345 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 821 transitions. [2018-12-09 03:20:08,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-09 03:20:08,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:08,473 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:20:09,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:09,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 681 states and 868 transitions. [2018-12-09 03:20:09,854 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 868 transitions. [2018-12-09 03:20:09,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 03:20:09,855 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:09,875 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:20:10,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:10,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 685 states and 876 transitions. [2018-12-09 03:20:10,106 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 876 transitions. [2018-12-09 03:20:10,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 03:20:10,106 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:10,123 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:20:10,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:10,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 688 states and 879 transitions. [2018-12-09 03:20:10,269 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 879 transitions. [2018-12-09 03:20:10,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 03:20:10,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:10,287 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:20:10,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:10,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 691 states and 882 transitions. [2018-12-09 03:20:10,457 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 882 transitions. [2018-12-09 03:20:10,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 03:20:10,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:10,475 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:20:10,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:10,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 694 states and 887 transitions. [2018-12-09 03:20:10,648 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 887 transitions. [2018-12-09 03:20:10,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 03:20:10,649 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:10,666 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:20:11,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:11,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 709 states and 904 transitions. [2018-12-09 03:20:11,151 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 904 transitions. [2018-12-09 03:20:11,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 03:20:11,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:11,181 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-09 03:20:11,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:11,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 710 states and 907 transitions. [2018-12-09 03:20:11,200 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 907 transitions. [2018-12-09 03:20:11,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-09 03:20:11,200 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:11,231 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:20:11,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:11,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 765 states and 963 transitions. [2018-12-09 03:20:11,504 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 963 transitions. [2018-12-09 03:20:11,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-09 03:20:11,504 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:11,527 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:20:11,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:11,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 768 states and 966 transitions. [2018-12-09 03:20:11,694 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 966 transitions. [2018-12-09 03:20:11,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-09 03:20:11,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:11,715 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 03:20:11,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:11,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 769 states and 969 transitions. [2018-12-09 03:20:11,875 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 969 transitions. [2018-12-09 03:20:11,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-09 03:20:11,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:11,905 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 03:20:13,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:13,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 880 states and 1111 transitions. [2018-12-09 03:20:13,123 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1111 transitions. [2018-12-09 03:20:13,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-09 03:20:13,124 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:13,177 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 03:20:13,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:13,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 935 states and 1175 transitions. [2018-12-09 03:20:13,863 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1175 transitions. [2018-12-09 03:20:13,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-09 03:20:13,864 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:13,901 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 03:20:14,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:14,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 947 states and 1187 transitions. [2018-12-09 03:20:14,170 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1187 transitions. [2018-12-09 03:20:14,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-09 03:20:14,170 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:14,204 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 03:20:14,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:14,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 958 states and 1197 transitions. [2018-12-09 03:20:14,408 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1197 transitions. [2018-12-09 03:20:14,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-09 03:20:14,409 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:14,451 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:20:14,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:14,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 968 states and 1209 transitions. [2018-12-09 03:20:14,758 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1209 transitions. [2018-12-09 03:20:14,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 03:20:14,759 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:14,819 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:20:15,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:15,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 995 states and 1235 transitions. [2018-12-09 03:20:15,094 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1235 transitions. [2018-12-09 03:20:15,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 03:20:15,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:15,128 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:20:15,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:15,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1041 states and 1286 transitions. [2018-12-09 03:20:15,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1286 transitions. [2018-12-09 03:20:15,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 03:20:15,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:16,058 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:20:16,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:16,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1053 states and 1298 transitions. [2018-12-09 03:20:16,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1298 transitions. [2018-12-09 03:20:16,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 03:20:16,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:16,596 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:20:17,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:17,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1065 states and 1311 transitions. [2018-12-09 03:20:17,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1311 transitions. [2018-12-09 03:20:17,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 03:20:17,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:17,101 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:20:17,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:17,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1070 states and 1315 transitions. [2018-12-09 03:20:17,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1315 transitions. [2018-12-09 03:20:17,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 03:20:17,344 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:17,378 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 03:20:17,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:17,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1083 states and 1331 transitions. [2018-12-09 03:20:17,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1331 transitions. [2018-12-09 03:20:17,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-09 03:20:17,818 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:17,857 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 03:20:19,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:19,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1141 states and 1393 transitions. [2018-12-09 03:20:19,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1393 transitions. [2018-12-09 03:20:19,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-09 03:20:19,238 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:19,332 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:20:19,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:19,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1171 states and 1426 transitions. [2018-12-09 03:20:19,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1426 transitions. [2018-12-09 03:20:19,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-09 03:20:19,942 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:19,967 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:20:20,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:20,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1174 states and 1429 transitions. [2018-12-09 03:20:20,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1429 transitions. [2018-12-09 03:20:20,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-09 03:20:20,131 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:20,154 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:20:20,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:20,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1177 states and 1432 transitions. [2018-12-09 03:20:20,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1432 transitions. [2018-12-09 03:20:20,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-09 03:20:20,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:20,365 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:20:20,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:20,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1180 states and 1435 transitions. [2018-12-09 03:20:20,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1435 transitions. [2018-12-09 03:20:20,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-09 03:20:20,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:20,587 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:20:20,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:20,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1183 states and 1438 transitions. [2018-12-09 03:20:20,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1438 transitions. [2018-12-09 03:20:20,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 03:20:20,823 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:20,873 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 111 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 03:20:21,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:21,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1252 states and 1514 transitions. [2018-12-09 03:20:21,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1514 transitions. [2018-12-09 03:20:21,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 03:20:21,432 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:21,470 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 111 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 03:20:21,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:21,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1265 states and 1526 transitions. [2018-12-09 03:20:21,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1526 transitions. [2018-12-09 03:20:21,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-09 03:20:21,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:21,741 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:20:22,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:22,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1281 states and 1541 transitions. [2018-12-09 03:20:22,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1541 transitions. [2018-12-09 03:20:22,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-09 03:20:22,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:22,162 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:20:22,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:22,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1294 states and 1553 transitions. [2018-12-09 03:20:22,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1553 transitions. [2018-12-09 03:20:22,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 03:20:22,287 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:22,321 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-09 03:20:22,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:22,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1295 states and 1553 transitions. [2018-12-09 03:20:22,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1553 transitions. [2018-12-09 03:20:22,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 03:20:22,344 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:22,368 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 03:20:22,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:22,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1301 states and 1559 transitions. [2018-12-09 03:20:22,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1559 transitions. [2018-12-09 03:20:22,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-09 03:20:22,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:22,529 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:20:22,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:22,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1307 states and 1564 transitions. [2018-12-09 03:20:22,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 1564 transitions. [2018-12-09 03:20:22,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-09 03:20:22,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:22,678 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-09 03:20:22,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:22,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1309 states and 1567 transitions. [2018-12-09 03:20:22,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 1567 transitions. [2018-12-09 03:20:22,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-12-09 03:20:22,968 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:22,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:23,081 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-09 03:20:23,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:23,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 1338 states and 1596 transitions. [2018-12-09 03:20:23,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1596 transitions. [2018-12-09 03:20:23,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-09 03:20:23,940 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:23,984 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 133 proven. 8 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-09 03:20:24,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:24,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1353 states and 1612 transitions. [2018-12-09 03:20:24,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1612 transitions. [2018-12-09 03:20:24,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-09 03:20:24,045 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:24,144 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-09 03:20:24,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:24,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1354 states and 1612 transitions. [2018-12-09 03:20:24,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1612 transitions. [2018-12-09 03:20:24,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-09 03:20:24,186 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:24,218 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-09 03:20:24,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:24,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1383 states and 1641 transitions. [2018-12-09 03:20:24,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1641 transitions. [2018-12-09 03:20:24,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-09 03:20:24,399 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:24,457 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 03:20:24,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:24,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 1462 states and 1723 transitions. [2018-12-09 03:20:24,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 1723 transitions. [2018-12-09 03:20:24,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-09 03:20:24,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:24,988 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-09 03:20:25,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:25,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 1465 states and 1726 transitions. [2018-12-09 03:20:25,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1465 states and 1726 transitions. [2018-12-09 03:20:25,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-09 03:20:25,011 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:25,037 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 03:20:25,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:25,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1505 states and 1773 transitions. [2018-12-09 03:20:25,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1773 transitions. [2018-12-09 03:20:25,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-09 03:20:25,656 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:25,696 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 03:20:26,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:26,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 1520 states and 1790 transitions. [2018-12-09 03:20:26,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 1790 transitions. [2018-12-09 03:20:26,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-09 03:20:26,138 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:26,166 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 03:20:26,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:26,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1531 states and 1800 transitions. [2018-12-09 03:20:26,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 1800 transitions. [2018-12-09 03:20:26,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-09 03:20:26,369 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:26,417 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 142 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-09 03:20:26,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:26,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1534 states and 1803 transitions. [2018-12-09 03:20:26,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 1803 transitions. [2018-12-09 03:20:26,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-09 03:20:26,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:26,658 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 142 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-09 03:20:26,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:26,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1537 states and 1806 transitions. [2018-12-09 03:20:26,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 1806 transitions. [2018-12-09 03:20:26,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-12-09 03:20:26,864 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:26,901 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 176 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 03:20:27,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:27,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1541 states and 1813 transitions. [2018-12-09 03:20:27,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 1813 transitions. [2018-12-09 03:20:27,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-12-09 03:20:27,158 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:27,273 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-09 03:20:27,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:27,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1826 states to 1547 states and 1826 transitions. [2018-12-09 03:20:27,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 1826 transitions. [2018-12-09 03:20:27,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-09 03:20:27,591 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:27,648 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 130 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 03:20:27,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:27,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1563 states and 1841 transitions. [2018-12-09 03:20:27,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 1841 transitions. [2018-12-09 03:20:27,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-09 03:20:27,981 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:27,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 130 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 03:20:28,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:28,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1575 states and 1852 transitions. [2018-12-09 03:20:28,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 1852 transitions. [2018-12-09 03:20:28,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 03:20:28,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:28,322 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 03:20:30,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:30,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1657 states and 1941 transitions. [2018-12-09 03:20:30,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 1941 transitions. [2018-12-09 03:20:30,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 03:20:30,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:30,533 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 03:20:31,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:31,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1964 states to 1681 states and 1964 transitions. [2018-12-09 03:20:31,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 1964 transitions. [2018-12-09 03:20:31,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-09 03:20:31,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:31,410 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2018-12-09 03:20:33,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:33,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 1862 states and 2152 transitions. [2018-12-09 03:20:33,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states and 2152 transitions. [2018-12-09 03:20:33,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-09 03:20:33,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:33,568 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 177 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-09 03:20:34,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:34,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2194 states to 1897 states and 2194 transitions. [2018-12-09 03:20:34,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1897 states and 2194 transitions. [2018-12-09 03:20:34,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-09 03:20:34,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:35,032 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 177 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-09 03:20:35,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:35,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 1900 states and 2197 transitions. [2018-12-09 03:20:35,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1900 states and 2197 transitions. [2018-12-09 03:20:35,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-09 03:20:35,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:35,312 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 177 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-09 03:20:35,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:35,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 1903 states and 2200 transitions. [2018-12-09 03:20:35,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 2200 transitions. [2018-12-09 03:20:35,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-12-09 03:20:35,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:36,257 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 249 proven. 28 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-09 03:20:39,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:39,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2285 states to 1975 states and 2285 transitions. [2018-12-09 03:20:39,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2285 transitions. [2018-12-09 03:20:39,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-09 03:20:39,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:39,352 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 209 proven. 4 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-09 03:20:39,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:39,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2285 states to 1976 states and 2285 transitions. [2018-12-09 03:20:39,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 2285 transitions. [2018-12-09 03:20:39,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-09 03:20:39,600 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:39,763 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-09 03:20:40,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:40,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2294 states to 1983 states and 2294 transitions. [2018-12-09 03:20:40,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1983 states and 2294 transitions. [2018-12-09 03:20:40,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-09 03:20:40,247 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:40,365 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 263 proven. 42 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-09 03:20:40,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:40,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 1993 states and 2307 transitions. [2018-12-09 03:20:40,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1993 states and 2307 transitions. [2018-12-09 03:20:40,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-09 03:20:40,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:40,972 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-09 03:20:41,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:41,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2320 states to 2005 states and 2320 transitions. [2018-12-09 03:20:41,337 INFO L276 IsEmpty]: Start isEmpty. Operand 2005 states and 2320 transitions. [2018-12-09 03:20:41,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-09 03:20:41,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:41,388 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-12-09 03:20:41,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:41,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2320 states to 2006 states and 2320 transitions. [2018-12-09 03:20:41,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2006 states and 2320 transitions. [2018-12-09 03:20:41,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-09 03:20:41,423 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:41,561 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 209 proven. 16 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-09 03:20:43,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:43,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2354 states to 2032 states and 2354 transitions. [2018-12-09 03:20:43,533 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2354 transitions. [2018-12-09 03:20:43,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-09 03:20:43,535 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:43,662 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 209 proven. 16 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-09 03:20:43,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:43,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2357 states to 2035 states and 2357 transitions. [2018-12-09 03:20:43,978 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 2357 transitions. [2018-12-09 03:20:43,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-09 03:20:43,979 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:44,104 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 209 proven. 16 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-09 03:20:44,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:44,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2366 states to 2043 states and 2366 transitions. [2018-12-09 03:20:44,654 INFO L276 IsEmpty]: Start isEmpty. Operand 2043 states and 2366 transitions. [2018-12-09 03:20:44,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-09 03:20:44,656 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:44,785 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 209 proven. 16 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-09 03:20:45,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:45,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 2046 states and 2369 transitions. [2018-12-09 03:20:45,120 INFO L276 IsEmpty]: Start isEmpty. Operand 2046 states and 2369 transitions. [2018-12-09 03:20:45,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-12-09 03:20:45,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:45,173 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 210 proven. 10 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-09 03:20:45,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:45,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2051 states and 2376 transitions. [2018-12-09 03:20:45,709 INFO L276 IsEmpty]: Start isEmpty. Operand 2051 states and 2376 transitions. [2018-12-09 03:20:45,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-12-09 03:20:45,710 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:45,765 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 210 proven. 10 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-09 03:20:46,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:46,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2379 states to 2054 states and 2379 transitions. [2018-12-09 03:20:46,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2379 transitions. [2018-12-09 03:20:46,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-12-09 03:20:46,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:46,163 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 210 proven. 10 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-09 03:20:46,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:46,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2382 states to 2057 states and 2382 transitions. [2018-12-09 03:20:46,417 INFO L276 IsEmpty]: Start isEmpty. Operand 2057 states and 2382 transitions. [2018-12-09 03:20:46,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-12-09 03:20:46,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:46,510 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-09 03:20:46,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:46,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 2092 states and 2416 transitions. [2018-12-09 03:20:46,631 INFO L276 IsEmpty]: Start isEmpty. Operand 2092 states and 2416 transitions. [2018-12-09 03:20:46,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-12-09 03:20:46,633 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:46,670 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-09 03:20:46,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:46,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2109 states and 2433 transitions. [2018-12-09 03:20:46,743 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2433 transitions. [2018-12-09 03:20:46,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-12-09 03:20:46,744 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:47,670 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-12-09 03:20:50,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:50,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2145 states and 2475 transitions. [2018-12-09 03:20:50,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2475 transitions. [2018-12-09 03:20:50,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-12-09 03:20:50,884 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:50,936 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 220 proven. 5 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-09 03:20:51,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:51,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2480 states to 2151 states and 2480 transitions. [2018-12-09 03:20:51,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2151 states and 2480 transitions. [2018-12-09 03:20:51,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-09 03:20:51,135 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:51,169 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-09 03:20:51,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:51,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2540 states to 2212 states and 2540 transitions. [2018-12-09 03:20:51,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2212 states and 2540 transitions. [2018-12-09 03:20:51,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-12-09 03:20:51,646 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:52,601 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-09 03:20:54,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:54,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2547 states to 2216 states and 2547 transitions. [2018-12-09 03:20:54,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2547 transitions. [2018-12-09 03:20:54,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-09 03:20:54,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:55,422 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-12-09 03:20:57,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:57,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2590 states to 2255 states and 2590 transitions. [2018-12-09 03:20:57,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 2590 transitions. [2018-12-09 03:20:57,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-09 03:20:57,829 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:57,946 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-12-09 03:20:59,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:59,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2621 states to 2286 states and 2621 transitions. [2018-12-09 03:20:59,780 INFO L276 IsEmpty]: Start isEmpty. Operand 2286 states and 2621 transitions. [2018-12-09 03:20:59,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-12-09 03:20:59,782 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:00,633 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 303 proven. 61 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-09 03:21:02,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:02,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2325 states and 2663 transitions. [2018-12-09 03:21:02,936 INFO L276 IsEmpty]: Start isEmpty. Operand 2325 states and 2663 transitions. [2018-12-09 03:21:02,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-09 03:21:02,937 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:03,085 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-12-09 03:21:03,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:03,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 2327 states and 2664 transitions. [2018-12-09 03:21:03,344 INFO L276 IsEmpty]: Start isEmpty. Operand 2327 states and 2664 transitions. [2018-12-09 03:21:03,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-09 03:21:03,345 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:03,678 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 305 proven. 68 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-09 03:21:04,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:04,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2685 states to 2348 states and 2685 transitions. [2018-12-09 03:21:04,041 INFO L276 IsEmpty]: Start isEmpty. Operand 2348 states and 2685 transitions. [2018-12-09 03:21:04,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-09 03:21:04,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:04,101 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-09 03:21:04,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:04,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2697 states to 2361 states and 2697 transitions. [2018-12-09 03:21:04,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2361 states and 2697 transitions. [2018-12-09 03:21:04,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-09 03:21:04,417 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:04,471 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-09 03:21:04,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:04,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2709 states to 2374 states and 2709 transitions. [2018-12-09 03:21:04,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2374 states and 2709 transitions. [2018-12-09 03:21:04,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-09 03:21:04,757 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:04,813 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-09 03:21:05,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:05,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 2387 states and 2721 transitions. [2018-12-09 03:21:05,099 INFO L276 IsEmpty]: Start isEmpty. Operand 2387 states and 2721 transitions. [2018-12-09 03:21:05,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-09 03:21:05,100 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:05,155 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-09 03:21:05,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:05,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2732 states to 2399 states and 2732 transitions. [2018-12-09 03:21:05,331 INFO L276 IsEmpty]: Start isEmpty. Operand 2399 states and 2732 transitions. [2018-12-09 03:21:05,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 03:21:05,332 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:06,533 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-09 03:21:10,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:10,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2829 states to 2494 states and 2829 transitions. [2018-12-09 03:21:10,849 INFO L276 IsEmpty]: Start isEmpty. Operand 2494 states and 2829 transitions. [2018-12-09 03:21:10,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-09 03:21:10,850 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:10,941 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 204 proven. 15 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-09 03:21:11,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:11,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2504 states and 2839 transitions. [2018-12-09 03:21:11,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2504 states and 2839 transitions. [2018-12-09 03:21:11,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-12-09 03:21:11,263 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:11,335 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 209 proven. 6 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-12-09 03:21:11,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:11,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2850 states to 2513 states and 2850 transitions. [2018-12-09 03:21:11,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2513 states and 2850 transitions. [2018-12-09 03:21:12,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-12-09 03:21:12,001 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:12,072 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 209 proven. 6 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-12-09 03:21:12,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:12,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2855 states to 2519 states and 2855 transitions. [2018-12-09 03:21:12,277 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 2855 transitions. [2018-12-09 03:21:12,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-12-09 03:21:12,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:12,354 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 209 proven. 6 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-12-09 03:21:12,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:12,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2858 states to 2523 states and 2858 transitions. [2018-12-09 03:21:12,665 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 2858 transitions. [2018-12-09 03:21:12,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-09 03:21:12,666 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:12,765 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2018-12-09 03:21:13,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:13,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 2525 states and 2860 transitions. [2018-12-09 03:21:13,196 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 2860 transitions. [2018-12-09 03:21:13,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-09 03:21:13,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:13,265 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2018-12-09 03:21:14,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:14,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2589 states and 2923 transitions. [2018-12-09 03:21:14,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2589 states and 2923 transitions. [2018-12-09 03:21:14,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-09 03:21:14,314 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:14,418 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2018-12-09 03:21:16,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:16,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2952 states to 2617 states and 2952 transitions. [2018-12-09 03:21:16,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2617 states and 2952 transitions. [2018-12-09 03:21:16,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-09 03:21:16,408 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:16,534 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2018-12-09 03:21:17,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:17,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2985 states to 2650 states and 2985 transitions. [2018-12-09 03:21:17,936 INFO L276 IsEmpty]: Start isEmpty. Operand 2650 states and 2985 transitions. [2018-12-09 03:21:17,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 03:21:17,937 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:18,878 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2018-12-09 03:21:20,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:20,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 2664 states and 3000 transitions. [2018-12-09 03:21:20,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2664 states and 3000 transitions. [2018-12-09 03:21:20,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 03:21:20,783 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:20,933 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2018-12-09 03:21:21,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:21,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2999 states to 2664 states and 2999 transitions. [2018-12-09 03:21:21,336 INFO L276 IsEmpty]: Start isEmpty. Operand 2664 states and 2999 transitions. [2018-12-09 03:21:21,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-12-09 03:21:21,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:22,215 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-12-09 03:21:25,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:25,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 2683 states and 3020 transitions. [2018-12-09 03:21:25,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2683 states and 3020 transitions. [2018-12-09 03:21:25,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-12-09 03:21:25,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:25,400 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-12-09 03:21:26,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:26,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3073 states to 2738 states and 3073 transitions. [2018-12-09 03:21:26,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3073 transitions. [2018-12-09 03:21:26,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-12-09 03:21:26,795 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:26,929 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2018-12-09 03:21:30,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:30,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3090 states to 2755 states and 3090 transitions. [2018-12-09 03:21:30,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 3090 transitions. [2018-12-09 03:21:30,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-09 03:21:30,362 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:30,535 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 386 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-12-09 03:21:32,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:32,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3161 states to 2826 states and 3161 transitions. [2018-12-09 03:21:32,151 INFO L276 IsEmpty]: Start isEmpty. Operand 2826 states and 3161 transitions. [2018-12-09 03:21:32,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-09 03:21:32,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:32,323 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 386 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-12-09 03:21:32,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:32,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3160 states to 2826 states and 3160 transitions. [2018-12-09 03:21:32,813 INFO L276 IsEmpty]: Start isEmpty. Operand 2826 states and 3160 transitions. [2018-12-09 03:21:32,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-09 03:21:32,815 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:33,288 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 532 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-12-09 03:21:33,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:33,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 2832 states and 3168 transitions. [2018-12-09 03:21:33,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2832 states and 3168 transitions. [2018-12-09 03:21:33,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-09 03:21:33,878 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:34,163 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 547 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-12-09 03:21:34,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:34,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 2833 states and 3170 transitions. [2018-12-09 03:21:34,633 INFO L276 IsEmpty]: Start isEmpty. Operand 2833 states and 3170 transitions. [2018-12-09 03:21:34,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2018-12-09 03:21:34,635 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:34,866 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 546 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-09 03:21:37,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:37,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3216 states to 2876 states and 3216 transitions. [2018-12-09 03:21:37,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 3216 transitions. [2018-12-09 03:21:37,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-09 03:21:37,257 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:37,766 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 487 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-09 03:21:39,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:39,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3270 states to 2927 states and 3270 transitions. [2018-12-09 03:21:39,704 INFO L276 IsEmpty]: Start isEmpty. Operand 2927 states and 3270 transitions. [2018-12-09 03:21:39,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-09 03:21:39,706 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:39,863 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 487 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-09 03:21:41,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:41,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3329 states to 2984 states and 3329 transitions. [2018-12-09 03:21:41,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2984 states and 3329 transitions. [2018-12-09 03:21:41,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-09 03:21:41,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:41,547 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 487 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-09 03:21:41,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:41,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3344 states to 3001 states and 3344 transitions. [2018-12-09 03:21:41,902 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 3344 transitions. [2018-12-09 03:21:41,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2018-12-09 03:21:41,904 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:42,016 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 288 proven. 9 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-12-09 03:21:42,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:42,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3347 states to 3005 states and 3347 transitions. [2018-12-09 03:21:42,260 INFO L276 IsEmpty]: Start isEmpty. Operand 3005 states and 3347 transitions. [2018-12-09 03:21:42,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2018-12-09 03:21:42,261 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:42,380 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 288 proven. 9 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-12-09 03:21:42,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:42,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3350 states to 3009 states and 3350 transitions. [2018-12-09 03:21:42,856 INFO L276 IsEmpty]: Start isEmpty. Operand 3009 states and 3350 transitions. [2018-12-09 03:21:42,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2018-12-09 03:21:42,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:43,465 INFO L134 CoverageAnalysis]: Checked inductivity of 939 backedges. 644 proven. 110 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-12-09 03:21:46,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:46,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3392 states to 3050 states and 3392 transitions. [2018-12-09 03:21:46,030 INFO L276 IsEmpty]: Start isEmpty. Operand 3050 states and 3392 transitions. [2018-12-09 03:21:46,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-09 03:21:46,032 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:46,152 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 419 proven. 12 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2018-12-09 03:21:46,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:46,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3392 states to 3051 states and 3392 transitions. [2018-12-09 03:21:46,566 INFO L276 IsEmpty]: Start isEmpty. Operand 3051 states and 3392 transitions. [2018-12-09 03:21:46,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-09 03:21:46,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:46,685 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 419 proven. 12 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2018-12-09 03:21:46,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:46,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3392 states to 3052 states and 3392 transitions. [2018-12-09 03:21:46,928 INFO L276 IsEmpty]: Start isEmpty. Operand 3052 states and 3392 transitions. [2018-12-09 03:21:46,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2018-12-09 03:21:46,930 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:46,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:47,428 INFO L134 CoverageAnalysis]: Checked inductivity of 944 backedges. 329 proven. 370 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-12-09 03:21:47,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:47,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3027 states to 2720 states and 3027 transitions. [2018-12-09 03:21:47,842 INFO L276 IsEmpty]: Start isEmpty. Operand 2720 states and 3027 transitions. [2018-12-09 03:21:47,843 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 03:21:47,843 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 152 iterations. [2018-12-09 03:21:47,849 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 03:21:47,962 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 20 [2018-12-09 03:21:48,101 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 20 [2018-12-09 03:21:48,235 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 20 [2018-12-09 03:21:48,374 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 20 [2018-12-09 03:21:48,476 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 20 [2018-12-09 03:21:48,871 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 20 [2018-12-09 03:21:48,972 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 20 [2018-12-09 03:21:49,605 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 20 [2018-12-09 03:21:49,719 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 20 [2018-12-09 03:21:49,833 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 20 [2018-12-09 03:21:50,058 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 20 [2018-12-09 03:21:50,162 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 20 [2018-12-09 03:21:50,878 WARN L180 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 56 [2018-12-09 03:21:51,079 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 20 [2018-12-09 03:21:51,274 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 20 [2018-12-09 03:21:51,389 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 20 [2018-12-09 03:21:51,510 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 20 [2018-12-09 03:21:51,615 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 20 [2018-12-09 03:21:51,753 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 20 [2018-12-09 03:21:51,878 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 20 [2018-12-09 03:21:52,367 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 20 [2018-12-09 03:21:52,721 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 20 [2018-12-09 03:21:52,828 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 20 [2018-12-09 03:21:53,156 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 20 [2018-12-09 03:21:53,633 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 20 [2018-12-09 03:21:53,745 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 20 [2018-12-09 03:21:53,925 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 20 [2018-12-09 03:21:54,028 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 20 [2018-12-09 03:21:54,266 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 20 [2018-12-09 03:21:54,382 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 20 [2018-12-09 03:21:54,612 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 20 [2018-12-09 03:21:54,815 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 20 [2018-12-09 03:21:54,947 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 20 [2018-12-09 03:21:55,078 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 20 [2018-12-09 03:21:55,308 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 20 [2018-12-09 03:21:55,592 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 20 [2018-12-09 03:21:55,592 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 03:21:55,594 INFO L583 CodeCheckObserver]: Invariant with dag size 20 [2018-12-09 03:21:55,600 INFO L583 CodeCheckObserver]: Invariant with dag size 20 [2018-12-09 03:21:55,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 03:21:55 ImpRootNode [2018-12-09 03:21:55,601 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 03:21:55,601 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 03:21:55,601 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 03:21:55,601 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 03:21:55,602 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:19:57" (3/4) ... [2018-12-09 03:21:55,604 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 03:21:55,619 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-12-09 03:21:55,620 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-09 03:21:55,621 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-09 03:21:55,622 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 03:21:55,691 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_693dc53e-d287-45c7-ad8c-c06f43e175f0/bin-2019/ukojak/witness.graphml [2018-12-09 03:21:55,691 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 03:21:55,692 INFO L168 Benchmark]: Toolchain (without parser) took 119771.50 ms. Allocated memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: 2.0 GB). Free memory was 951.7 MB in the beginning and 1.6 GB in the end (delta: -606.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-09 03:21:55,692 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 03:21:55,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -177.7 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. [2018-12-09 03:21:55,693 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-09 03:21:55,693 INFO L168 Benchmark]: Boogie Preprocessor took 30.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 03:21:55,693 INFO L168 Benchmark]: RCFGBuilder took 1026.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 898.0 MB in the end (delta: 224.4 MB). Peak memory consumption was 224.4 MB. Max. memory is 11.5 GB. [2018-12-09 03:21:55,693 INFO L168 Benchmark]: CodeCheck took 118268.87 ms. Allocated memory was 1.2 GB in the beginning and 3.0 GB in the end (delta: 1.8 GB). Free memory was 898.0 MB in the beginning and 1.6 GB in the end (delta: -660.4 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-12-09 03:21:55,693 INFO L168 Benchmark]: Witness Printer took 90.13 ms. Allocated memory is still 3.0 GB. Free memory is still 1.6 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 03:21:55,694 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, 110.4s OverallTime, 152 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1346446368 SDtfs, -580313488 SDslu, -1593507612 SDs, 0 SdLazy, 1021154782 SolverSat, 800991206 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 464.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 207610 GetRequests, 203531 SyntacticMatches, 2891 SemanticMatches, 1188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1080563 ImplicationChecksByTransitivity, 91.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 13.5s InterpolantComputationTime, 31874 NumberOfCodeBlocks, 31874 NumberOfCodeBlocksAsserted, 151 NumberOfCheckSat, 31723 ConstructedInterpolants, 0 QuantifiedInterpolants, 31872501 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 151 InterpolantComputations, 108 PerfectInterpolantSequences, 35973/36951 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: 499]: 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: ((((a25 == 1 && !(a11 == 1)) || a17 == 8) || (a19 == 1 && !(a11 == 1))) || (a11 == 1 && !(a17 == 9))) || (!(a19 == 1) && a11 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((a17 == 8 || (a25 == 1 && !(a11 == 1))) || (a19 == 1 && !(a11 == 1))) || (!(a19 == 1) && a11 == 1)) || (a11 == 1 && !(a17 == 9)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 311.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -177.7 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1026.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 898.0 MB in the end (delta: 224.4 MB). Peak memory consumption was 224.4 MB. Max. memory is 11.5 GB. * CodeCheck took 118268.87 ms. Allocated memory was 1.2 GB in the beginning and 3.0 GB in the end (delta: 1.8 GB). Free memory was 898.0 MB in the beginning and 1.6 GB in the end (delta: -660.4 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. * Witness Printer took 90.13 ms. Allocated memory is still 3.0 GB. Free memory is still 1.6 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...