./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1e38b3c6-b147-4459-80b2-1d9dbb3763c9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1e38b3c6-b147-4459-80b2-1d9dbb3763c9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1e38b3c6-b147-4459-80b2-1d9dbb3763c9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1e38b3c6-b147-4459-80b2-1d9dbb3763c9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1e38b3c6-b147-4459-80b2-1d9dbb3763c9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1e38b3c6-b147-4459-80b2-1d9dbb3763c9/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 c896360830ff8b0574c029e3cde358b7dc7cde03 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:00:09,916 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:00:09,918 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:00:09,927 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:00:09,928 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:00:09,928 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:00:09,929 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:00:09,930 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:00:09,931 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:00:09,933 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:00:09,933 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:00:09,934 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:00:09,934 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:00:09,935 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:00:09,936 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:00:09,937 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:00:09,938 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:00:09,939 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:00:09,940 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:00:09,942 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:00:09,942 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:00:09,943 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:00:09,946 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:00:09,946 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:00:09,946 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:00:09,947 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:00:09,947 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:00:09,949 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:00:09,949 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:00:09,950 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:00:09,950 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:00:09,951 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:00:09,951 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:00:09,951 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:00:09,952 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:00:09,953 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:00:09,954 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1e38b3c6-b147-4459-80b2-1d9dbb3763c9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 22:00:09,965 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:00:09,965 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:00:09,966 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:00:09,966 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:00:09,966 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:00:09,966 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:00:09,967 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:00:09,967 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:00:09,967 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:00:09,967 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:00:09,967 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:00:09,967 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:00:09,967 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:00:09,968 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:00:09,968 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:00:09,968 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:00:09,968 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:00:09,970 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:00:09,970 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:00:09,970 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:00:09,970 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:00:09,970 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:00:09,970 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:00:09,971 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:00:09,971 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:00:09,971 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 22:00:09,971 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:00:09,971 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:00:09,971 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_1e38b3c6-b147-4459-80b2-1d9dbb3763c9/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 -> c896360830ff8b0574c029e3cde358b7dc7cde03 [2018-10-26 22:00:09,998 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:00:10,008 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:00:10,016 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:00:10,017 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:00:10,017 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:00:10,018 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1e38b3c6-b147-4459-80b2-1d9dbb3763c9/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c [2018-10-26 22:00:10,061 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1e38b3c6-b147-4459-80b2-1d9dbb3763c9/bin-2019/ukojak/data/eea25a240/de0a41ea52dc475582daf62f8fdcd5dd/FLAG23cee4291 [2018-10-26 22:00:10,481 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:00:10,482 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1e38b3c6-b147-4459-80b2-1d9dbb3763c9/sv-benchmarks/c/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c [2018-10-26 22:00:10,492 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1e38b3c6-b147-4459-80b2-1d9dbb3763c9/bin-2019/ukojak/data/eea25a240/de0a41ea52dc475582daf62f8fdcd5dd/FLAG23cee4291 [2018-10-26 22:00:10,504 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1e38b3c6-b147-4459-80b2-1d9dbb3763c9/bin-2019/ukojak/data/eea25a240/de0a41ea52dc475582daf62f8fdcd5dd [2018-10-26 22:00:10,507 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:00:10,508 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:00:10,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:00:10,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:00:10,513 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:00:10,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:00:10" (1/1) ... [2018-10-26 22:00:10,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78f0132f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:00:10, skipping insertion in model container [2018-10-26 22:00:10,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:00:10" (1/1) ... [2018-10-26 22:00:10,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:00:10,561 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:00:10,867 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:00:10,875 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:00:10,968 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:00:10,984 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:00:10,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:00:10 WrapperNode [2018-10-26 22:00:10,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:00:10,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:00:10,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:00:10,985 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:00:10,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:00:10" (1/1) ... [2018-10-26 22:00:11,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:00:10" (1/1) ... [2018-10-26 22:00:11,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:00:11,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:00:11,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:00:11,138 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:00:11,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:00:10" (1/1) ... [2018-10-26 22:00:11,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:00:10" (1/1) ... [2018-10-26 22:00:11,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:00:10" (1/1) ... [2018-10-26 22:00:11,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:00:10" (1/1) ... [2018-10-26 22:00:11,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:00:10" (1/1) ... [2018-10-26 22:00:11,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:00:10" (1/1) ... [2018-10-26 22:00:11,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:00:10" (1/1) ... [2018-10-26 22:00:11,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:00:11,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:00:11,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:00:11,187 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:00:11,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:00:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1e38b3c6-b147-4459-80b2-1d9dbb3763c9/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 [2018-10-26 22:00:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 22:00:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:00:11,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:00:15,603 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:00:15,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:00:15 BoogieIcfgContainer [2018-10-26 22:00:15,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:00:15,604 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:00:15,604 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:00:15,613 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:00:15,613 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:00:15" (1/1) ... [2018-10-26 22:00:15,624 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:00:15,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:15,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-10-26 22:00:15,661 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-10-26 22:00:15,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-26 22:00:15,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:16,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:16,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:16,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 165 states and 244 transitions. [2018-10-26 22:00:16,750 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 244 transitions. [2018-10-26 22:00:16,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 22:00:16,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:16,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:00:17,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:17,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 249 states and 335 transitions. [2018-10-26 22:00:17,887 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 335 transitions. [2018-10-26 22:00:17,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-26 22:00:17,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:17,912 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:18,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:18,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 255 states and 341 transitions. [2018-10-26 22:00:18,086 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 341 transitions. [2018-10-26 22:00:18,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-26 22:00:18,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:18,129 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:18,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:18,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 258 states and 344 transitions. [2018-10-26 22:00:18,221 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 344 transitions. [2018-10-26 22:00:18,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-26 22:00:18,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:18,252 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:18,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:18,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 260 states and 346 transitions. [2018-10-26 22:00:18,343 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 346 transitions. [2018-10-26 22:00:18,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 22:00:18,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:18,508 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:18,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:18,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 278 states and 372 transitions. [2018-10-26 22:00:18,698 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 372 transitions. [2018-10-26 22:00:18,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-26 22:00:18,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:18,811 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:19,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:19,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 297 states and 401 transitions. [2018-10-26 22:00:19,454 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 401 transitions. [2018-10-26 22:00:19,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-26 22:00:19,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:19,697 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:19,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:19,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 301 states and 407 transitions. [2018-10-26 22:00:19,774 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 407 transitions. [2018-10-26 22:00:19,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 22:00:19,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:19,889 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:00:20,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:20,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 325 states and 441 transitions. [2018-10-26 22:00:20,616 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 441 transitions. [2018-10-26 22:00:20,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 22:00:20,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:20,643 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:20,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:20,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 330 states and 450 transitions. [2018-10-26 22:00:20,934 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 450 transitions. [2018-10-26 22:00:20,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 22:00:20,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:20,972 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:21,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:21,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 334 states and 454 transitions. [2018-10-26 22:00:21,399 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 454 transitions. [2018-10-26 22:00:21,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 22:00:21,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:21,761 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:22,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:22,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 358 states and 487 transitions. [2018-10-26 22:00:22,927 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 487 transitions. [2018-10-26 22:00:22,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-26 22:00:22,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:22,953 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:23,450 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 22:00:24,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:24,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 363 states and 493 transitions. [2018-10-26 22:00:24,036 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 493 transitions. [2018-10-26 22:00:24,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-26 22:00:24,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:24,064 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:24,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:24,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 374 states and 507 transitions. [2018-10-26 22:00:24,379 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 507 transitions. [2018-10-26 22:00:24,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 22:00:24,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:24,648 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:00:25,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:25,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 454 states and 592 transitions. [2018-10-26 22:00:25,245 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 592 transitions. [2018-10-26 22:00:25,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-26 22:00:25,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:25,273 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:25,761 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 22:00:25,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:25,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 459 states and 598 transitions. [2018-10-26 22:00:25,999 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 598 transitions. [2018-10-26 22:00:26,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 22:00:26,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:26,138 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:27,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:27,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 482 states and 630 transitions. [2018-10-26 22:00:27,054 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 630 transitions. [2018-10-26 22:00:27,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 22:00:27,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:27,147 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:27,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:27,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 486 states and 634 transitions. [2018-10-26 22:00:27,272 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 634 transitions. [2018-10-26 22:00:27,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 22:00:27,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:27,914 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:28,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:28,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 490 states and 638 transitions. [2018-10-26 22:00:28,059 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 638 transitions. [2018-10-26 22:00:28,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 22:00:28,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:28,150 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:28,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:28,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 494 states and 642 transitions. [2018-10-26 22:00:28,332 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 642 transitions. [2018-10-26 22:00:28,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-26 22:00:28,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:28,363 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 22:00:28,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:28,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 501 states and 650 transitions. [2018-10-26 22:00:28,817 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 650 transitions. [2018-10-26 22:00:28,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-26 22:00:28,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:28,844 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:28,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:28,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 507 states and 657 transitions. [2018-10-26 22:00:28,904 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 657 transitions. [2018-10-26 22:00:28,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-26 22:00:28,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:28,943 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:00:29,697 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 22:00:30,212 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-26 22:00:31,836 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-26 22:00:32,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:32,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 510 states and 661 transitions. [2018-10-26 22:00:32,368 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 661 transitions. [2018-10-26 22:00:32,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-26 22:00:32,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:32,396 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:00:32,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:32,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 518 states and 668 transitions. [2018-10-26 22:00:32,589 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 668 transitions. [2018-10-26 22:00:32,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-26 22:00:32,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:32,731 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:00:33,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:33,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 529 states and 686 transitions. [2018-10-26 22:00:33,165 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 686 transitions. [2018-10-26 22:00:33,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-26 22:00:33,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:34,060 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:00:34,721 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-26 22:00:35,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:35,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 533 states and 692 transitions. [2018-10-26 22:00:35,137 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 692 transitions. [2018-10-26 22:00:35,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-26 22:00:35,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:35,864 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:00:35,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:35,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 536 states and 695 transitions. [2018-10-26 22:00:35,883 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 695 transitions. [2018-10-26 22:00:35,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-26 22:00:35,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:36,168 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 22:00:36,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:36,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 546 states and 709 transitions. [2018-10-26 22:00:36,531 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 709 transitions. [2018-10-26 22:00:36,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-26 22:00:36,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:36,558 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:00:36,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:36,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 551 states and 715 transitions. [2018-10-26 22:00:36,816 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 715 transitions. [2018-10-26 22:00:36,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-26 22:00:36,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:36,868 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:37,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:37,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 571 states and 737 transitions. [2018-10-26 22:00:37,103 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 737 transitions. [2018-10-26 22:00:37,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-26 22:00:37,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:37,135 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:37,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:37,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 573 states and 739 transitions. [2018-10-26 22:00:37,167 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 739 transitions. [2018-10-26 22:00:37,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-26 22:00:37,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:37,344 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 22:00:38,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:38,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 587 states and 755 transitions. [2018-10-26 22:00:38,006 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 755 transitions. [2018-10-26 22:00:38,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-26 22:00:38,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:38,190 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:00:38,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:38,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 588 states and 757 transitions. [2018-10-26 22:00:38,454 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 757 transitions. [2018-10-26 22:00:38,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-26 22:00:38,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:38,487 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 22:00:38,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:38,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 592 states and 760 transitions. [2018-10-26 22:00:38,725 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 760 transitions. [2018-10-26 22:00:38,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 22:00:38,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:39,136 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 22:00:41,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:41,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 634 states and 818 transitions. [2018-10-26 22:00:41,529 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 818 transitions. [2018-10-26 22:00:41,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 22:00:41,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:41,578 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 22:00:41,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:41,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 638 states and 822 transitions. [2018-10-26 22:00:41,918 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 822 transitions. [2018-10-26 22:00:41,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 22:00:41,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:41,955 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:42,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:42,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 643 states and 830 transitions. [2018-10-26 22:00:42,533 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 830 transitions. [2018-10-26 22:00:42,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 22:00:42,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:42,562 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:42,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:42,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 647 states and 835 transitions. [2018-10-26 22:00:42,839 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 835 transitions. [2018-10-26 22:00:42,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-26 22:00:42,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:42,871 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:00:42,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:42,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 653 states and 840 transitions. [2018-10-26 22:00:42,980 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 840 transitions. [2018-10-26 22:00:42,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-26 22:00:42,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:43,128 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:00:43,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:43,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 659 states and 845 transitions. [2018-10-26 22:00:43,245 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 845 transitions. [2018-10-26 22:00:43,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-26 22:00:43,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:43,273 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 22:00:43,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:43,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 660 states and 845 transitions. [2018-10-26 22:00:43,463 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 845 transitions. [2018-10-26 22:00:43,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-26 22:00:43,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:43,490 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:44,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:44,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 685 states and 873 transitions. [2018-10-26 22:00:44,119 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 873 transitions. [2018-10-26 22:00:44,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-26 22:00:44,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:44,158 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:00:44,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:44,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 690 states and 878 transitions. [2018-10-26 22:00:44,210 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 878 transitions. [2018-10-26 22:00:44,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-26 22:00:44,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:44,238 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:00:44,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:44,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 697 states and 885 transitions. [2018-10-26 22:00:44,692 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 885 transitions. [2018-10-26 22:00:44,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-26 22:00:44,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:44,717 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:00:44,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:44,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 698 states and 886 transitions. [2018-10-26 22:00:44,727 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 886 transitions. [2018-10-26 22:00:44,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-26 22:00:44,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:44,872 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:00:45,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:45,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 717 states and 908 transitions. [2018-10-26 22:00:45,600 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 908 transitions. [2018-10-26 22:00:45,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 22:00:45,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:45,649 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:00:45,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:45,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 718 states and 909 transitions. [2018-10-26 22:00:45,712 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 909 transitions. [2018-10-26 22:00:45,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 22:00:45,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:46,505 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:50,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:50,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 777 states and 972 transitions. [2018-10-26 22:00:50,160 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 972 transitions. [2018-10-26 22:00:50,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-26 22:00:50,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:50,195 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:00:50,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:50,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 794 states and 989 transitions. [2018-10-26 22:00:50,314 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 989 transitions. [2018-10-26 22:00:50,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-26 22:00:50,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:50,371 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:00:50,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:50,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 804 states and 999 transitions. [2018-10-26 22:00:50,734 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 999 transitions. [2018-10-26 22:00:50,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-26 22:00:50,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:50,778 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:51,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:51,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 820 states and 1018 transitions. [2018-10-26 22:00:51,643 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1018 transitions. [2018-10-26 22:00:51,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-26 22:00:51,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:51,766 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:52,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:52,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 832 states and 1034 transitions. [2018-10-26 22:00:52,936 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1034 transitions. [2018-10-26 22:00:52,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 22:00:52,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:53,539 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:58,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:58,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 901 states and 1119 transitions. [2018-10-26 22:00:58,800 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1119 transitions. [2018-10-26 22:00:58,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 22:00:58,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:58,870 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:00:59,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:00:59,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 905 states and 1123 transitions. [2018-10-26 22:00:59,578 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1123 transitions. [2018-10-26 22:00:59,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 22:00:59,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:00:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:00:59,653 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:01:00,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:00,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 909 states and 1127 transitions. [2018-10-26 22:01:00,151 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1127 transitions. [2018-10-26 22:01:00,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 22:01:00,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:00,387 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 22:01:00,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:00,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 911 states and 1129 transitions. [2018-10-26 22:01:00,637 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1129 transitions. [2018-10-26 22:01:00,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 22:01:00,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:00,677 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 22:01:00,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:00,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 912 states and 1129 transitions. [2018-10-26 22:01:00,989 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1129 transitions. [2018-10-26 22:01:00,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 22:01:00,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:01,023 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:01:01,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:01,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 919 states and 1139 transitions. [2018-10-26 22:01:01,374 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1139 transitions. [2018-10-26 22:01:01,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-26 22:01:01,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:01,698 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:01:02,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:02,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 944 states and 1167 transitions. [2018-10-26 22:01:02,316 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1167 transitions. [2018-10-26 22:01:02,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-26 22:01:02,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:02,581 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:01:04,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:04,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 981 states and 1208 transitions. [2018-10-26 22:01:04,766 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1208 transitions. [2018-10-26 22:01:04,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 22:01:04,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:04,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:05,063 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:01:06,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:06,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1006 states and 1235 transitions. [2018-10-26 22:01:06,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1235 transitions. [2018-10-26 22:01:06,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 22:01:06,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:06,150 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:01:07,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:07,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 1013 states and 1242 transitions. [2018-10-26 22:01:07,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1242 transitions. [2018-10-26 22:01:07,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-26 22:01:07,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:07,159 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 22:01:08,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:08,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1032 states and 1261 transitions. [2018-10-26 22:01:08,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1261 transitions. [2018-10-26 22:01:08,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-26 22:01:08,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:08,634 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 22:01:08,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:08,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1033 states and 1261 transitions. [2018-10-26 22:01:08,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1261 transitions. [2018-10-26 22:01:08,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-26 22:01:08,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:08,841 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-10-26 22:01:09,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:09,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1039 states and 1271 transitions. [2018-10-26 22:01:09,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1271 transitions. [2018-10-26 22:01:09,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-26 22:01:09,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:09,363 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 22:01:09,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:09,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 1041 states and 1273 transitions. [2018-10-26 22:01:09,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1273 transitions. [2018-10-26 22:01:09,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-26 22:01:09,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:10,051 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 135 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 22:01:12,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:12,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1061 states and 1299 transitions. [2018-10-26 22:01:12,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1299 transitions. [2018-10-26 22:01:12,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-26 22:01:12,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:12,345 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 135 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 22:01:12,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:12,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1065 states and 1303 transitions. [2018-10-26 22:01:12,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1303 transitions. [2018-10-26 22:01:12,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-26 22:01:12,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:12,698 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:01:12,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:12,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1067 states and 1306 transitions. [2018-10-26 22:01:12,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1306 transitions. [2018-10-26 22:01:12,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-10-26 22:01:12,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:13,009 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:01:13,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:13,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1087 states and 1326 transitions. [2018-10-26 22:01:13,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1326 transitions. [2018-10-26 22:01:13,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-10-26 22:01:13,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:13,463 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 22:01:13,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:13,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1093 states and 1331 transitions. [2018-10-26 22:01:13,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1331 transitions. [2018-10-26 22:01:13,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-26 22:01:13,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:13,600 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:01:15,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:15,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1123 states and 1361 transitions. [2018-10-26 22:01:15,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1361 transitions. [2018-10-26 22:01:15,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-26 22:01:15,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:15,514 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 22:01:15,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:15,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1143 states and 1384 transitions. [2018-10-26 22:01:15,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1384 transitions. [2018-10-26 22:01:15,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-26 22:01:15,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:15,818 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 22:01:16,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:16,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1148 states and 1389 transitions. [2018-10-26 22:01:16,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1389 transitions. [2018-10-26 22:01:16,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-26 22:01:16,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:16,350 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 22:01:17,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:17,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1158 states and 1402 transitions. [2018-10-26 22:01:17,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1402 transitions. [2018-10-26 22:01:17,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-26 22:01:17,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:17,370 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:01:17,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:17,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1188 states and 1432 transitions. [2018-10-26 22:01:17,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1432 transitions. [2018-10-26 22:01:17,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-26 22:01:17,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:17,760 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-10-26 22:01:18,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:18,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1207 states and 1453 transitions. [2018-10-26 22:01:18,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1453 transitions. [2018-10-26 22:01:18,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-26 22:01:18,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:18,301 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 22:01:18,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:18,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1213 states and 1461 transitions. [2018-10-26 22:01:18,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1461 transitions. [2018-10-26 22:01:18,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 22:01:18,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:18,691 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 22:01:19,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:19,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1218 states and 1468 transitions. [2018-10-26 22:01:19,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1468 transitions. [2018-10-26 22:01:19,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 22:01:19,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:19,534 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:01:21,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:21,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1248 states and 1505 transitions. [2018-10-26 22:01:21,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1505 transitions. [2018-10-26 22:01:21,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 22:01:21,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:21,265 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:01:21,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:21,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1249 states and 1507 transitions. [2018-10-26 22:01:21,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1507 transitions. [2018-10-26 22:01:21,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 22:01:21,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:21,374 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:01:21,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:21,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1253 states and 1511 transitions. [2018-10-26 22:01:21,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1511 transitions. [2018-10-26 22:01:21,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 22:01:21,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:21,807 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:01:22,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:22,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1257 states and 1515 transitions. [2018-10-26 22:01:22,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1515 transitions. [2018-10-26 22:01:22,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 22:01:22,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:22,250 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 6 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-26 22:01:22,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:22,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1264 states and 1525 transitions. [2018-10-26 22:01:22,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1525 transitions. [2018-10-26 22:01:22,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 22:01:22,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:22,851 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 22:01:24,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:24,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1293 states and 1565 transitions. [2018-10-26 22:01:24,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1565 transitions. [2018-10-26 22:01:24,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 22:01:24,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:24,437 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 22:01:25,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:25,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1302 states and 1573 transitions. [2018-10-26 22:01:25,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1573 transitions. [2018-10-26 22:01:25,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 22:01:25,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:25,213 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 22:01:25,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:25,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1306 states and 1577 transitions. [2018-10-26 22:01:25,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1306 states and 1577 transitions. [2018-10-26 22:01:25,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 22:01:25,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:25,598 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 22:01:25,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:25,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1310 states and 1581 transitions. [2018-10-26 22:01:25,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1581 transitions. [2018-10-26 22:01:25,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 22:01:25,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:26,025 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 22:01:26,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:26,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1315 states and 1586 transitions. [2018-10-26 22:01:26,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1586 transitions. [2018-10-26 22:01:26,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 22:01:26,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:26,565 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-10-26 22:01:26,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:26,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1321 states and 1591 transitions. [2018-10-26 22:01:26,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 1591 transitions. [2018-10-26 22:01:26,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 22:01:26,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:27,069 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 22:01:27,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:27,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1335 states and 1611 transitions. [2018-10-26 22:01:27,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1611 transitions. [2018-10-26 22:01:27,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-26 22:01:27,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:27,909 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-10-26 22:01:28,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:28,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1342 states and 1619 transitions. [2018-10-26 22:01:28,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1619 transitions. [2018-10-26 22:01:28,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-26 22:01:28,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:28,572 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-10-26 22:01:28,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:28,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1351 states and 1628 transitions. [2018-10-26 22:01:28,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1628 transitions. [2018-10-26 22:01:28,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-10-26 22:01:28,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:28,998 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-10-26 22:01:29,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:29,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1367 states and 1645 transitions. [2018-10-26 22:01:29,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1645 transitions. [2018-10-26 22:01:29,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-26 22:01:29,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:29,345 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:01:29,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:29,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1379 states and 1657 transitions. [2018-10-26 22:01:29,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1657 transitions. [2018-10-26 22:01:29,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-26 22:01:29,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:29,466 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:01:30,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:30,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1386 states and 1663 transitions. [2018-10-26 22:01:30,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 1663 transitions. [2018-10-26 22:01:30,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-26 22:01:30,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:30,162 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 22:01:31,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:31,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1417 states and 1699 transitions. [2018-10-26 22:01:31,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 1699 transitions. [2018-10-26 22:01:31,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-26 22:01:31,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:31,286 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 22:01:34,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:34,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1467 states and 1754 transitions. [2018-10-26 22:01:34,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 1754 transitions. [2018-10-26 22:01:34,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-26 22:01:34,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:34,816 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 22:01:35,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:35,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1474 states and 1760 transitions. [2018-10-26 22:01:35,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 1760 transitions. [2018-10-26 22:01:35,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-26 22:01:35,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:35,583 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 22:01:36,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:36,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 1488 states and 1774 transitions. [2018-10-26 22:01:36,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 1774 transitions. [2018-10-26 22:01:36,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-26 22:01:36,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:36,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:36,504 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 22:01:37,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:37,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1506 states and 1792 transitions. [2018-10-26 22:01:37,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 1792 transitions. [2018-10-26 22:01:37,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 22:01:37,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:37,170 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-10-26 22:01:37,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:37,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1507 states and 1792 transitions. [2018-10-26 22:01:37,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 1792 transitions. [2018-10-26 22:01:37,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 22:01:37,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:37,441 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 22:01:37,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:37,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1524 states and 1809 transitions. [2018-10-26 22:01:37,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1524 states and 1809 transitions. [2018-10-26 22:01:37,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 22:01:37,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:37,707 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 22:01:38,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:38,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1532 states and 1817 transitions. [2018-10-26 22:01:38,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1817 transitions. [2018-10-26 22:01:38,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 22:01:38,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:38,049 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 22:01:38,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:38,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1552 states and 1836 transitions. [2018-10-26 22:01:38,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1836 transitions. [2018-10-26 22:01:38,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-10-26 22:01:38,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:38,307 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-26 22:01:38,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:38,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1557 states and 1841 transitions. [2018-10-26 22:01:38,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1841 transitions. [2018-10-26 22:01:38,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-26 22:01:38,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:39,029 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-10-26 22:01:41,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:41,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 1706 states and 2002 transitions. [2018-10-26 22:01:41,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 2002 transitions. [2018-10-26 22:01:41,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-10-26 22:01:41,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:42,075 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2018-10-26 22:01:44,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:44,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1963 states to 1664 states and 1963 transitions. [2018-10-26 22:01:44,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 1963 transitions. [2018-10-26 22:01:44,420 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:01:44,421 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 109 iterations. [2018-10-26 22:01:44,428 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 22:01:45,166 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 14 [2018-10-26 22:01:45,300 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 14 [2018-10-26 22:01:45,668 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 14 [2018-10-26 22:01:45,939 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 14 [2018-10-26 22:01:46,473 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 14 [2018-10-26 22:01:46,605 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 14 [2018-10-26 22:01:47,811 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 14 [2018-10-26 22:01:48,041 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 14 [2018-10-26 22:01:48,230 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:01:48,232 INFO L582 CodeCheckObserver]: Invariant with dag size 14 [2018-10-26 22:01:48,238 INFO L582 CodeCheckObserver]: Invariant with dag size 14 [2018-10-26 22:01:48,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:01:48 ImpRootNode [2018-10-26 22:01:48,239 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:01:48,239 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:01:48,239 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:01:48,239 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:01:48,240 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:00:15" (3/4) ... [2018-10-26 22:01:48,243 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:01:48,263 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-10-26 22:01:48,264 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-10-26 22:01:48,265 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-10-26 22:01:48,266 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 22:01:48,375 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1e38b3c6-b147-4459-80b2-1d9dbb3763c9/bin-2019/ukojak/witness.graphml [2018-10-26 22:01:48,375 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:01:48,375 INFO L168 Benchmark]: Toolchain (without parser) took 97867.88 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -137.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-10-26 22:01:48,376 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:01:48,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 475.27 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 926.3 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:01:48,377 INFO L168 Benchmark]: Boogie Procedure Inliner took 152.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 926.3 MB in the beginning and 1.2 GB in the end (delta: -235.9 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:01:48,378 INFO L168 Benchmark]: Boogie Preprocessor took 48.76 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:01:48,378 INFO L168 Benchmark]: RCFGBuilder took 4417.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 912.3 MB in the end (delta: 239.1 MB). Peak memory consumption was 239.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:01:48,378 INFO L168 Benchmark]: CodeCheck took 92634.71 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 912.3 MB in the beginning and 1.1 GB in the end (delta: -208.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-10-26 22:01:48,378 INFO L168 Benchmark]: Witness Printer took 135.60 ms. Allocated memory is still 2.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:01:48,383 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 228 locations, 1 error locations. SAFE Result, 88.7s OverallTime, 109 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1609039912 SDtfs, -1683647150 SDslu, 1541931356 SDs, 0 SdLazy, -823462034 SolverSat, 171070636 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 381.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 107428 GetRequests, 105727 SyntacticMatches, 827 SemanticMatches, 874 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 537404 ImplicationChecksByTransitivity, 74.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 11.0s InterpolantComputationTime, 16668 NumberOfCodeBlocks, 16668 NumberOfCodeBlocksAsserted, 108 NumberOfCheckSat, 16560 ConstructedInterpolants, 0 QuantifiedInterpolants, 6263548 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 108 InterpolantComputations, 93 PerfectInterpolantSequences, 10812/10979 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: 535]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((a19 == 1 || !(a11 == 1)) || !(a28 == 7)) || a17 == 8 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((!(a11 == 1) || a19 == 1) || !(a28 == 7)) || a17 == 8 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 475.27 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 926.3 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 152.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 926.3 MB in the beginning and 1.2 GB in the end (delta: -235.9 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.76 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4417.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 912.3 MB in the end (delta: 239.1 MB). Peak memory consumption was 239.1 MB. Max. memory is 11.5 GB. * CodeCheck took 92634.71 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 912.3 MB in the beginning and 1.1 GB in the end (delta: -208.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 135.60 ms. Allocated memory is still 2.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...