./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label49_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_39944ca0-4e1d-4dd0-8f3e-abb98987c059/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_39944ca0-4e1d-4dd0-8f3e-abb98987c059/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_39944ca0-4e1d-4dd0-8f3e-abb98987c059/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_39944ca0-4e1d-4dd0-8f3e-abb98987c059/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label49_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_39944ca0-4e1d-4dd0-8f3e-abb98987c059/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_39944ca0-4e1d-4dd0-8f3e-abb98987c059/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 083cea80584760e424718c2c8c78f2ce2da05adc ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:20:53,425 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:20:53,427 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:20:53,436 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:20:53,436 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:20:53,436 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:20:53,437 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:20:53,439 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:20:53,440 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:20:53,440 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:20:53,441 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:20:53,441 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:20:53,442 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:20:53,442 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:20:53,443 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:20:53,444 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:20:53,444 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:20:53,445 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:20:53,447 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:20:53,448 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:20:53,449 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:20:53,449 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:20:53,451 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:20:53,451 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:20:53,451 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:20:53,452 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:20:53,453 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:20:53,453 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:20:53,454 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:20:53,455 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:20:53,455 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:20:53,455 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:20:53,455 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:20:53,455 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:20:53,456 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:20:53,457 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:20:53,457 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_39944ca0-4e1d-4dd0-8f3e-abb98987c059/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 13:20:53,467 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:20:53,467 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:20:53,467 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:20:53,467 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:20:53,468 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:20:53,468 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:20:53,468 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:20:53,468 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:20:53,468 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:20:53,469 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:20:53,469 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:20:53,469 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:20:53,469 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:20:53,469 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:20:53,469 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:20:53,469 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:20:53,470 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:20:53,470 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:20:53,470 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 13:20:53,470 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 13:20:53,470 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:20:53,470 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:20:53,470 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 13:20:53,471 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:20:53,471 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:20:53,471 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:20:53,471 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 13:20:53,471 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:20:53,471 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:20:53,471 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_39944ca0-4e1d-4dd0-8f3e-abb98987c059/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 -> 083cea80584760e424718c2c8c78f2ce2da05adc [2018-11-18 13:20:53,491 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:20:53,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:20:53,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:20:53,501 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:20:53,501 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:20:53,502 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_39944ca0-4e1d-4dd0-8f3e-abb98987c059/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label49_true-unreach-call_false-termination.c [2018-11-18 13:20:53,533 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_39944ca0-4e1d-4dd0-8f3e-abb98987c059/bin-2019/ukojak/data/c38e62bdd/16d124330980461ea26093feeea95664/FLAG22eb5b4af [2018-11-18 13:20:53,889 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:20:53,890 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_39944ca0-4e1d-4dd0-8f3e-abb98987c059/sv-benchmarks/c/eca-rers2012/Problem01_label49_true-unreach-call_false-termination.c [2018-11-18 13:20:53,899 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_39944ca0-4e1d-4dd0-8f3e-abb98987c059/bin-2019/ukojak/data/c38e62bdd/16d124330980461ea26093feeea95664/FLAG22eb5b4af [2018-11-18 13:20:53,911 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_39944ca0-4e1d-4dd0-8f3e-abb98987c059/bin-2019/ukojak/data/c38e62bdd/16d124330980461ea26093feeea95664 [2018-11-18 13:20:53,913 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:20:53,914 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:20:53,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:20:53,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:20:53,917 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:20:53,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:20:53" (1/1) ... [2018-11-18 13:20:53,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc33b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:53, skipping insertion in model container [2018-11-18 13:20:53,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:20:53" (1/1) ... [2018-11-18 13:20:53,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:20:53,960 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:20:54,182 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:20:54,184 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:20:54,247 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:20:54,256 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:20:54,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:54 WrapperNode [2018-11-18 13:20:54,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:20:54,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:20:54,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:20:54,258 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:20:54,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:54" (1/1) ... [2018-11-18 13:20:54,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:54" (1/1) ... [2018-11-18 13:20:54,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:20:54,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:20:54,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:20:54,358 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:20:54,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:54" (1/1) ... [2018-11-18 13:20:54,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:54" (1/1) ... [2018-11-18 13:20:54,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:54" (1/1) ... [2018-11-18 13:20:54,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:54" (1/1) ... [2018-11-18 13:20:54,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:54" (1/1) ... [2018-11-18 13:20:54,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:54" (1/1) ... [2018-11-18 13:20:54,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:54" (1/1) ... [2018-11-18 13:20:54,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:20:54,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:20:54,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:20:54,399 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:20:54,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39944ca0-4e1d-4dd0-8f3e-abb98987c059/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 13:20:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 13:20:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:20:54,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:20:55,694 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:20:55,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:20:55 BoogieIcfgContainer [2018-11-18 13:20:55,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:20:55,695 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 13:20:55,695 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 13:20:55,702 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 13:20:55,703 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:20:55" (1/1) ... [2018-11-18 13:20:55,711 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:20:55,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:20:55,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-18 13:20:55,736 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-18 13:20:55,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 13:20:55,739 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:20:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:20:55,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:20:56,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:20:56,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 147 states and 222 transitions. [2018-11-18 13:20:56,346 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 222 transitions. [2018-11-18 13:20:56,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 13:20:56,349 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:20:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:20:56,443 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:20:56,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:20:56,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 218 states and 316 transitions. [2018-11-18 13:20:56,896 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 316 transitions. [2018-11-18 13:20:56,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-18 13:20:56,897 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:20:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:20:56,952 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:20:57,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:20:57,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 224 states and 327 transitions. [2018-11-18 13:20:57,047 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 327 transitions. [2018-11-18 13:20:57,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 13:20:57,049 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:20:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:20:57,130 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:20:57,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:20:57,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 294 states and 400 transitions. [2018-11-18 13:20:57,531 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 400 transitions. [2018-11-18 13:20:57,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-18 13:20:57,533 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:20:57,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:20:57,571 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:20:57,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:20:57,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 297 states and 404 transitions. [2018-11-18 13:20:57,589 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 404 transitions. [2018-11-18 13:20:57,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 13:20:57,590 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:20:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:20:57,629 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:20:57,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:20:57,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 309 states and 421 transitions. [2018-11-18 13:20:57,849 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 421 transitions. [2018-11-18 13:20:57,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 13:20:57,853 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:20:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:20:57,903 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:20:58,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:20:58,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 322 states and 439 transitions. [2018-11-18 13:20:58,130 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 439 transitions. [2018-11-18 13:20:58,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 13:20:58,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:20:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:20:58,167 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:20:58,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:20:58,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 323 states and 441 transitions. [2018-11-18 13:20:58,290 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 441 transitions. [2018-11-18 13:20:58,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 13:20:58,290 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:20:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:20:58,376 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:20:58,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:20:58,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 338 states and 461 transitions. [2018-11-18 13:20:58,820 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 461 transitions. [2018-11-18 13:20:58,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 13:20:58,821 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:20:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:20:58,843 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:20:58,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:20:58,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 339 states and 463 transitions. [2018-11-18 13:20:58,924 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 463 transitions. [2018-11-18 13:20:58,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 13:20:58,925 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:20:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:20:58,948 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:20:59,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:20:59,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 340 states and 465 transitions. [2018-11-18 13:20:59,044 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 465 transitions. [2018-11-18 13:20:59,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 13:20:59,044 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:20:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:20:59,159 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:20:59,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:20:59,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 351 states and 478 transitions. [2018-11-18 13:20:59,797 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 478 transitions. [2018-11-18 13:20:59,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 13:20:59,797 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:20:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:20:59,818 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:21:00,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:00,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 365 states and 495 transitions. [2018-11-18 13:21:00,039 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 495 transitions. [2018-11-18 13:21:00,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-18 13:21:00,039 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:00,056 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:21:00,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:00,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 383 states and 517 transitions. [2018-11-18 13:21:00,417 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 517 transitions. [2018-11-18 13:21:00,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 13:21:00,418 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:00,434 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:21:00,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:00,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 391 states and 527 transitions. [2018-11-18 13:21:00,538 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 527 transitions. [2018-11-18 13:21:00,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 13:21:00,539 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:00,557 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:21:00,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:00,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 392 states and 528 transitions. [2018-11-18 13:21:00,582 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 528 transitions. [2018-11-18 13:21:00,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 13:21:00,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:00,603 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:21:00,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:00,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 399 states and 535 transitions. [2018-11-18 13:21:00,718 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 535 transitions. [2018-11-18 13:21:00,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 13:21:00,718 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:00,796 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:21:01,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:01,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 414 states and 554 transitions. [2018-11-18 13:21:01,155 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 554 transitions. [2018-11-18 13:21:01,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 13:21:01,156 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:01,174 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:21:01,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:01,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 415 states and 556 transitions. [2018-11-18 13:21:01,184 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 556 transitions. [2018-11-18 13:21:01,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 13:21:01,185 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:01,235 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:21:01,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:01,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 423 states and 565 transitions. [2018-11-18 13:21:01,409 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 565 transitions. [2018-11-18 13:21:01,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 13:21:01,410 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:01,452 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 13:21:01,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:01,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 437 states and 584 transitions. [2018-11-18 13:21:01,665 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 584 transitions. [2018-11-18 13:21:01,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 13:21:01,666 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:01,687 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:21:01,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:01,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 438 states and 586 transitions. [2018-11-18 13:21:01,699 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 586 transitions. [2018-11-18 13:21:01,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 13:21:01,700 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:01,720 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:21:02,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:02,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 453 states and 603 transitions. [2018-11-18 13:21:02,054 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 603 transitions. [2018-11-18 13:21:02,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 13:21:02,054 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:02,076 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:21:02,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:02,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 455 states and 604 transitions. [2018-11-18 13:21:02,189 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 604 transitions. [2018-11-18 13:21:02,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 13:21:02,190 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:02,214 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:21:02,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:02,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 456 states and 606 transitions. [2018-11-18 13:21:02,232 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 606 transitions. [2018-11-18 13:21:02,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 13:21:02,233 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:02,268 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 13:21:02,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:02,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 457 states and 608 transitions. [2018-11-18 13:21:02,364 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 608 transitions. [2018-11-18 13:21:02,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 13:21:02,364 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:02,386 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:21:02,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:02,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 474 states and 627 transitions. [2018-11-18 13:21:02,756 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 627 transitions. [2018-11-18 13:21:02,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 13:21:02,757 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:02,790 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:21:03,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:03,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 485 states and 638 transitions. [2018-11-18 13:21:03,189 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 638 transitions. [2018-11-18 13:21:03,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 13:21:03,189 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:03,212 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 13:21:03,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:03,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 487 states and 640 transitions. [2018-11-18 13:21:03,235 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 640 transitions. [2018-11-18 13:21:03,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 13:21:03,235 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:03,329 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:21:03,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:03,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 558 states and 722 transitions. [2018-11-18 13:21:03,990 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 722 transitions. [2018-11-18 13:21:03,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-18 13:21:03,990 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:04,011 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 13:21:04,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:04,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 563 states and 727 transitions. [2018-11-18 13:21:04,046 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 727 transitions. [2018-11-18 13:21:04,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 13:21:04,047 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:04,071 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 13:21:04,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:04,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 564 states and 728 transitions. [2018-11-18 13:21:04,197 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 728 transitions. [2018-11-18 13:21:04,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 13:21:04,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:04,219 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 13:21:04,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:04,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 569 states and 733 transitions. [2018-11-18 13:21:04,250 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 733 transitions. [2018-11-18 13:21:04,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 13:21:04,251 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:04,277 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 13:21:04,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:04,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 574 states and 738 transitions. [2018-11-18 13:21:04,319 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 738 transitions. [2018-11-18 13:21:04,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 13:21:04,320 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:04,348 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 13:21:04,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:04,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 582 states and 746 transitions. [2018-11-18 13:21:04,395 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 746 transitions. [2018-11-18 13:21:04,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 13:21:04,396 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:04,423 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 13:21:04,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:04,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 583 states and 747 transitions. [2018-11-18 13:21:04,450 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 747 transitions. [2018-11-18 13:21:04,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 13:21:04,451 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:04,477 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:21:04,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:04,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 596 states and 760 transitions. [2018-11-18 13:21:04,553 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 760 transitions. [2018-11-18 13:21:04,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 13:21:04,554 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:04,578 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:21:04,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:04,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 601 states and 770 transitions. [2018-11-18 13:21:04,870 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 770 transitions. [2018-11-18 13:21:04,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 13:21:04,871 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:04,891 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:21:05,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:05,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 606 states and 774 transitions. [2018-11-18 13:21:05,060 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 774 transitions. [2018-11-18 13:21:05,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 13:21:05,061 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:05,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:05,084 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 13:21:05,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:05,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 607 states and 775 transitions. [2018-11-18 13:21:05,101 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 775 transitions. [2018-11-18 13:21:05,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 13:21:05,102 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:05,208 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:21:05,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:05,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 611 states and 782 transitions. [2018-11-18 13:21:05,516 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 782 transitions. [2018-11-18 13:21:05,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 13:21:05,517 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:05,548 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:21:05,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:05,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 615 states and 788 transitions. [2018-11-18 13:21:05,695 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 788 transitions. [2018-11-18 13:21:05,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-18 13:21:05,696 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:05,718 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:21:05,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:05,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 638 states and 815 transitions. [2018-11-18 13:21:05,814 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 815 transitions. [2018-11-18 13:21:05,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 13:21:05,815 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:05,836 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:21:05,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:05,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 641 states and 818 transitions. [2018-11-18 13:21:05,878 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 818 transitions. [2018-11-18 13:21:05,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 13:21:05,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:05,896 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:21:06,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:06,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 643 states and 821 transitions. [2018-11-18 13:21:06,013 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 821 transitions. [2018-11-18 13:21:06,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 13:21:06,014 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:06,030 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:21:06,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:06,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 644 states and 821 transitions. [2018-11-18 13:21:06,048 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 821 transitions. [2018-11-18 13:21:06,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 13:21:06,049 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:06,296 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:21:07,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:07,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 654 states and 843 transitions. [2018-11-18 13:21:07,077 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 843 transitions. [2018-11-18 13:21:07,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 13:21:07,078 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:07,124 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:21:07,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:07,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 659 states and 856 transitions. [2018-11-18 13:21:07,432 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 856 transitions. [2018-11-18 13:21:07,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 13:21:07,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:07,467 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 13:21:07,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:07,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 677 states and 878 transitions. [2018-11-18 13:21:07,948 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 878 transitions. [2018-11-18 13:21:07,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-18 13:21:07,949 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:07,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:07,985 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:21:08,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:08,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 702 states and 903 transitions. [2018-11-18 13:21:08,159 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 903 transitions. [2018-11-18 13:21:08,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 13:21:08,160 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:08,217 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 13:21:08,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:08,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 707 states and 916 transitions. [2018-11-18 13:21:08,520 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 916 transitions. [2018-11-18 13:21:08,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 13:21:08,520 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:08,598 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 70 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 13:21:09,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:09,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 776 states and 996 transitions. [2018-11-18 13:21:09,394 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 996 transitions. [2018-11-18 13:21:09,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 13:21:09,394 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:09,464 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 70 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 13:21:09,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:09,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 841 states and 1063 transitions. [2018-11-18 13:21:09,862 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1063 transitions. [2018-11-18 13:21:09,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 13:21:09,863 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:09,894 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-18 13:21:10,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:10,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 847 states and 1073 transitions. [2018-11-18 13:21:10,147 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1073 transitions. [2018-11-18 13:21:10,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 13:21:10,148 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:10,178 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-18 13:21:10,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:10,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 854 states and 1087 transitions. [2018-11-18 13:21:10,463 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1087 transitions. [2018-11-18 13:21:10,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-18 13:21:10,464 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:10,490 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 13:21:10,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:10,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 868 states and 1102 transitions. [2018-11-18 13:21:10,763 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1102 transitions. [2018-11-18 13:21:10,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 13:21:10,764 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:10,785 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:21:10,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:10,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 882 states and 1117 transitions. [2018-11-18 13:21:10,829 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1117 transitions. [2018-11-18 13:21:10,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 13:21:10,830 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:10,857 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-18 13:21:11,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:11,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 899 states and 1138 transitions. [2018-11-18 13:21:11,100 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1138 transitions. [2018-11-18 13:21:11,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 13:21:11,101 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:11,127 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-18 13:21:11,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:11,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 900 states and 1143 transitions. [2018-11-18 13:21:11,303 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1143 transitions. [2018-11-18 13:21:11,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 13:21:11,303 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:12,082 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 13:21:12,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:12,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 923 states and 1169 transitions. [2018-11-18 13:21:12,955 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1169 transitions. [2018-11-18 13:21:12,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-18 13:21:12,956 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:12,984 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:21:13,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:13,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 926 states and 1172 transitions. [2018-11-18 13:21:13,033 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1172 transitions. [2018-11-18 13:21:13,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-18 13:21:13,034 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:13,526 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 13:21:15,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:15,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1024 states and 1293 transitions. [2018-11-18 13:21:15,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1293 transitions. [2018-11-18 13:21:15,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-18 13:21:15,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:15,998 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-18 13:21:16,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:16,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1038 states and 1316 transitions. [2018-11-18 13:21:16,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1316 transitions. [2018-11-18 13:21:16,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 13:21:16,500 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:16,537 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-18 13:21:17,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:17,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1074 states and 1362 transitions. [2018-11-18 13:21:17,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1362 transitions. [2018-11-18 13:21:17,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-18 13:21:17,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:18,472 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:21:20,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:20,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1111 states and 1404 transitions. [2018-11-18 13:21:20,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 1404 transitions. [2018-11-18 13:21:20,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-18 13:21:20,857 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:21,058 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:21:22,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:22,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1123 states and 1419 transitions. [2018-11-18 13:21:22,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1419 transitions. [2018-11-18 13:21:22,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-18 13:21:22,106 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:22,137 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 13:21:22,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:22,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1148 states and 1451 transitions. [2018-11-18 13:21:22,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1451 transitions. [2018-11-18 13:21:22,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-18 13:21:22,859 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:23,181 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 158 proven. 9 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 13:21:23,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:23,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1158 states and 1465 transitions. [2018-11-18 13:21:23,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1465 transitions. [2018-11-18 13:21:23,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 13:21:23,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:23,774 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-18 13:21:24,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:24,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1192 states and 1505 transitions. [2018-11-18 13:21:24,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1505 transitions. [2018-11-18 13:21:24,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 13:21:24,109 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:24,144 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-18 13:21:24,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:24,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1193 states and 1507 transitions. [2018-11-18 13:21:24,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1507 transitions. [2018-11-18 13:21:24,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 13:21:24,390 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:24,425 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-18 13:21:24,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:24,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1194 states and 1510 transitions. [2018-11-18 13:21:24,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1510 transitions. [2018-11-18 13:21:24,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 13:21:24,644 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:24,679 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-18 13:21:24,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:24,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1195 states and 1516 transitions. [2018-11-18 13:21:24,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1516 transitions. [2018-11-18 13:21:24,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-18 13:21:24,960 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:25,036 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 118 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 13:21:26,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:26,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1267 states and 1598 transitions. [2018-11-18 13:21:26,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1598 transitions. [2018-11-18 13:21:26,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-11-18 13:21:26,115 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:26,187 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 13:21:26,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:26,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1268 states and 1598 transitions. [2018-11-18 13:21:26,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1598 transitions. [2018-11-18 13:21:26,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-11-18 13:21:26,212 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:26,252 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-18 13:21:26,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:26,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1271 states and 1601 transitions. [2018-11-18 13:21:26,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1601 transitions. [2018-11-18 13:21:26,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-18 13:21:26,294 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:26,332 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 13:21:26,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:26,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1278 states and 1607 transitions. [2018-11-18 13:21:26,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1607 transitions. [2018-11-18 13:21:26,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-18 13:21:26,589 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:26,620 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-11-18 13:21:27,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:27,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1621 states to 1291 states and 1621 transitions. [2018-11-18 13:21:27,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1621 transitions. [2018-11-18 13:21:27,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-18 13:21:27,067 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:27,565 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 244 proven. 27 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-18 13:21:28,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:28,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 1292 states and 1626 transitions. [2018-11-18 13:21:28,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1626 transitions. [2018-11-18 13:21:28,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-11-18 13:21:28,182 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:28,615 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 171 proven. 11 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-11-18 13:21:30,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:30,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1370 states and 1712 transitions. [2018-11-18 13:21:30,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 1712 transitions. [2018-11-18 13:21:30,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 13:21:30,525 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:30,566 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-11-18 13:21:31,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:31,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1393 states and 1745 transitions. [2018-11-18 13:21:31,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1745 transitions. [2018-11-18 13:21:31,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-11-18 13:21:31,732 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:31,791 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-18 13:21:32,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:32,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1771 states to 1417 states and 1771 transitions. [2018-11-18 13:21:32,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 1771 transitions. [2018-11-18 13:21:32,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-18 13:21:32,499 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:32,547 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-11-18 13:21:33,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:33,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1475 states and 1832 transitions. [2018-11-18 13:21:33,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1832 transitions. [2018-11-18 13:21:33,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-18 13:21:33,610 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:33,654 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 186 proven. 4 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2018-11-18 13:21:34,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:34,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 1542 states and 1912 transitions. [2018-11-18 13:21:34,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 1912 transitions. [2018-11-18 13:21:34,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-11-18 13:21:34,956 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:35,124 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2018-11-18 13:21:35,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:35,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1916 states to 1543 states and 1916 transitions. [2018-11-18 13:21:35,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 1916 transitions. [2018-11-18 13:21:35,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-18 13:21:35,391 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:35,461 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2018-11-18 13:21:36,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:36,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 1599 states and 1976 transitions. [2018-11-18 13:21:36,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 1976 transitions. [2018-11-18 13:21:36,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-18 13:21:36,326 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:37,019 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 276 proven. 10 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-11-18 13:21:38,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:38,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1996 states to 1618 states and 1996 transitions. [2018-11-18 13:21:38,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1618 states and 1996 transitions. [2018-11-18 13:21:38,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-18 13:21:38,181 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:38,254 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2018-11-18 13:21:38,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:38,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 1619 states and 2002 transitions. [2018-11-18 13:21:38,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2002 transitions. [2018-11-18 13:21:38,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-18 13:21:38,544 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:38,584 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2018-11-18 13:21:38,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:38,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 1622 states and 2005 transitions. [2018-11-18 13:21:38,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states and 2005 transitions. [2018-11-18 13:21:38,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-18 13:21:38,842 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:38,897 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-18 13:21:39,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:39,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2019 states to 1635 states and 2019 transitions. [2018-11-18 13:21:39,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 2019 transitions. [2018-11-18 13:21:39,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-18 13:21:39,414 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:39,456 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-18 13:21:39,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:39,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 1644 states and 2027 transitions. [2018-11-18 13:21:39,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1644 states and 2027 transitions. [2018-11-18 13:21:39,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-18 13:21:39,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:39,663 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-18 13:21:39,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:39,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2051 states to 1669 states and 2051 transitions. [2018-11-18 13:21:39,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2051 transitions. [2018-11-18 13:21:39,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-11-18 13:21:39,744 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:39,902 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 232 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2018-11-18 13:21:41,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:41,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1751 states and 2159 transitions. [2018-11-18 13:21:41,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 2159 transitions. [2018-11-18 13:21:41,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-11-18 13:21:41,720 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:41,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:41,759 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 232 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2018-11-18 13:21:42,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:42,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2163 states to 1752 states and 2163 transitions. [2018-11-18 13:21:42,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 2163 transitions. [2018-11-18 13:21:42,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-11-18 13:21:42,048 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:42,087 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 232 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2018-11-18 13:21:42,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:42,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2173 states to 1753 states and 2173 transitions. [2018-11-18 13:21:42,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2173 transitions. [2018-11-18 13:21:42,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-11-18 13:21:42,415 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:42,454 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 334 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-11-18 13:21:44,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:44,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2270 states to 1831 states and 2270 transitions. [2018-11-18 13:21:44,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2270 transitions. [2018-11-18 13:21:44,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-11-18 13:21:44,208 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:44,277 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 171 proven. 4 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-18 13:21:44,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:44,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2270 states to 1832 states and 2270 transitions. [2018-11-18 13:21:44,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1832 states and 2270 transitions. [2018-11-18 13:21:44,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-18 13:21:44,648 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:44,728 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 277 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-18 13:21:45,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:45,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2278 states to 1839 states and 2278 transitions. [2018-11-18 13:21:45,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2278 transitions. [2018-11-18 13:21:45,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-18 13:21:45,280 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:45,322 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2018-11-18 13:21:46,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:46,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2297 states to 1851 states and 2297 transitions. [2018-11-18 13:21:46,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1851 states and 2297 transitions. [2018-11-18 13:21:46,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-18 13:21:46,119 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:46,155 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2018-11-18 13:21:46,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:46,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2304 states to 1859 states and 2304 transitions. [2018-11-18 13:21:46,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2304 transitions. [2018-11-18 13:21:46,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-11-18 13:21:46,441 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:47,180 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-11-18 13:21:49,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:49,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 1895 states and 2349 transitions. [2018-11-18 13:21:49,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 2349 transitions. [2018-11-18 13:21:49,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 13:21:49,503 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:49,908 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 193 proven. 13 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-11-18 13:21:50,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:50,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2357 states to 1903 states and 2357 transitions. [2018-11-18 13:21:50,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 2357 transitions. [2018-11-18 13:21:50,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 13:21:50,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:50,800 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 352 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-18 13:21:51,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:51,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 1910 states and 2371 transitions. [2018-11-18 13:21:51,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 2371 transitions. [2018-11-18 13:21:51,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 13:21:51,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:52,110 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-18 13:21:54,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:54,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 1941 states and 2404 transitions. [2018-11-18 13:21:54,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 2404 transitions. [2018-11-18 13:21:54,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-11-18 13:21:54,056 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:54,111 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 403 proven. 5 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-18 13:21:54,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:54,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2421 states to 1947 states and 2421 transitions. [2018-11-18 13:21:54,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2421 transitions. [2018-11-18 13:21:54,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-18 13:21:54,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:55,005 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 253 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2018-11-18 13:21:55,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:55,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2441 states to 1967 states and 2441 transitions. [2018-11-18 13:21:55,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1967 states and 2441 transitions. [2018-11-18 13:21:55,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-18 13:21:55,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:55,260 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-11-18 13:21:56,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:56,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2454 states to 1977 states and 2454 transitions. [2018-11-18 13:21:56,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2454 transitions. [2018-11-18 13:21:56,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-18 13:21:56,028 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:56,084 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-11-18 13:21:56,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:56,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2455 states to 1980 states and 2455 transitions. [2018-11-18 13:21:56,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1980 states and 2455 transitions. [2018-11-18 13:21:56,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-18 13:21:56,446 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:56,500 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-11-18 13:21:56,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:56,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2455 states to 1981 states and 2455 transitions. [2018-11-18 13:21:56,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1981 states and 2455 transitions. [2018-11-18 13:21:56,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-18 13:21:56,660 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:56,735 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2018-11-18 13:21:57,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:57,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 2024 states and 2497 transitions. [2018-11-18 13:21:57,248 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 2497 transitions. [2018-11-18 13:21:57,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-18 13:21:57,249 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:57,305 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2018-11-18 13:21:58,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:21:58,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2541 states to 2067 states and 2541 transitions. [2018-11-18 13:21:58,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2067 states and 2541 transitions. [2018-11-18 13:21:58,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-18 13:21:58,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:21:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:58,274 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2018-11-18 13:22:00,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:00,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2578 states to 2100 states and 2578 transitions. [2018-11-18 13:22:00,330 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2578 transitions. [2018-11-18 13:22:00,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-18 13:22:00,331 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:00,451 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2018-11-18 13:22:01,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:01,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 2119 states and 2599 transitions. [2018-11-18 13:22:01,541 INFO L276 IsEmpty]: Start isEmpty. Operand 2119 states and 2599 transitions. [2018-11-18 13:22:01,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-18 13:22:01,543 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:01,603 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-11-18 13:22:02,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:02,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2670 states to 2189 states and 2670 transitions. [2018-11-18 13:22:02,318 INFO L276 IsEmpty]: Start isEmpty. Operand 2189 states and 2670 transitions. [2018-11-18 13:22:02,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-18 13:22:02,319 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:02,379 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-11-18 13:22:02,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:02,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2736 states to 2254 states and 2736 transitions. [2018-11-18 13:22:02,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 2736 transitions. [2018-11-18 13:22:02,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-18 13:22:02,821 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:02,894 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-11-18 13:22:03,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:03,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2776 states to 2295 states and 2776 transitions. [2018-11-18 13:22:03,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 2776 transitions. [2018-11-18 13:22:03,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-18 13:22:03,328 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:03,385 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-11-18 13:22:04,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:04,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2781 states to 2303 states and 2781 transitions. [2018-11-18 13:22:04,004 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states and 2781 transitions. [2018-11-18 13:22:04,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-11-18 13:22:04,006 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:04,588 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 93 proven. 324 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 13:22:07,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:07,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2890 states to 2406 states and 2890 transitions. [2018-11-18 13:22:07,034 INFO L276 IsEmpty]: Start isEmpty. Operand 2406 states and 2890 transitions. [2018-11-18 13:22:07,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-11-18 13:22:07,036 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:07,496 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 182 proven. 436 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-11-18 13:22:08,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:08,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2835 states to 2349 states and 2835 transitions. [2018-11-18 13:22:08,299 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 2835 transitions. [2018-11-18 13:22:08,300 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:22:08,300 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 119 iterations. [2018-11-18 13:22:08,308 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 13:22:08,417 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 16 [2018-11-18 13:22:11,506 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 16 [2018-11-18 13:22:13,324 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:22:13,326 INFO L579 CodeCheckObserver]: Invariant with dag size 16 [2018-11-18 13:22:13,331 INFO L579 CodeCheckObserver]: Invariant with dag size 16 [2018-11-18 13:22:13,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 01:22:13 ImpRootNode [2018-11-18 13:22:13,331 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 13:22:13,332 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:22:13,332 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:22:13,332 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:22:13,332 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:20:55" (3/4) ... [2018-11-18 13:22:13,335 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:22:13,350 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-11-18 13:22:13,351 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 13:22:13,351 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-18 13:22:13,352 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 13:22:13,449 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_39944ca0-4e1d-4dd0-8f3e-abb98987c059/bin-2019/ukojak/witness.graphml [2018-11-18 13:22:13,449 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:22:13,450 INFO L168 Benchmark]: Toolchain (without parser) took 79536.62 ms. Allocated memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: 1.9 GB). Free memory was 947.7 MB in the beginning and 1.8 GB in the end (delta: -864.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-18 13:22:13,451 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:22:13,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.74 ms. Allocated memory is still 1.0 GB. Free memory was 947.7 MB in the beginning and 915.5 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:22:13,451 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 915.5 MB in the beginning and 1.2 GB in the end (delta: -240.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:22:13,451 INFO L168 Benchmark]: Boogie Preprocessor took 40.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:22:13,452 INFO L168 Benchmark]: RCFGBuilder took 1296.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 918.5 MB in the end (delta: 233.7 MB). Peak memory consumption was 233.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:22:13,452 INFO L168 Benchmark]: CodeCheck took 77636.10 ms. Allocated memory was 1.2 GB in the beginning and 3.0 GB in the end (delta: 1.8 GB). Free memory was 918.5 MB in the beginning and 1.9 GB in the end (delta: -932.3 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-11-18 13:22:13,452 INFO L168 Benchmark]: Witness Printer took 117.69 ms. Allocated memory is still 3.0 GB. Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:22:13,454 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, 199 locations, 1 error locations. SAFE Result, 72.5s OverallTime, 119 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 348340896 SDtfs, -554178556 SDslu, -1502735844 SDs, 0 SdLazy, 2021210654 SolverSat, 2103945934 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 327.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 136409 GetRequests, 134190 SyntacticMatches, 1235 SemanticMatches, 984 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 647579 ImplicationChecksByTransitivity, 57.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 8.6s InterpolantComputationTime, 20661 NumberOfCodeBlocks, 20661 NumberOfCodeBlocksAsserted, 118 NumberOfCheckSat, 20543 ConstructedInterpolants, 0 QuantifiedInterpolants, 13127092 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 118 InterpolantComputations, 104 PerfectInterpolantSequences, 22384/23375 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: 497]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((!(a17 == 1) || !(a20 == 1)) || !(a16 == 6)) || !(a8 == 14) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((!(a8 == 14) || !(a20 == 1)) || !(a17 == 1)) || !(a16 == 6) * 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 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 342.74 ms. Allocated memory is still 1.0 GB. Free memory was 947.7 MB in the beginning and 915.5 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 100.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 915.5 MB in the beginning and 1.2 GB in the end (delta: -240.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1296.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 918.5 MB in the end (delta: 233.7 MB). Peak memory consumption was 233.7 MB. Max. memory is 11.5 GB. * CodeCheck took 77636.10 ms. Allocated memory was 1.2 GB in the beginning and 3.0 GB in the end (delta: 1.8 GB). Free memory was 918.5 MB in the beginning and 1.9 GB in the end (delta: -932.3 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. * Witness Printer took 117.69 ms. Allocated memory is still 3.0 GB. Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...